From smi_south_central at listsmart.osl.state.or.us Sat May 1 15:04:10 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Sat, 1 May 2010 15:04:10 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35DAB4A97@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Saturday, May 1, 2010 2:45 PM Pete Parsons 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 SUNDAY An offshore upper-level ridge will build slightly over Oregon with the strong northwesterly flow aloft temporarily weakening. A warm front will increase the clouds across the region during the. Smoke dispersion should remain fair to good with onshore flow. Snow levels will rise above 7000 feet. Surface temperatures should recover close to normal. OUTLOOK (MONDAY-WEDNESDAY) A strong cold front is forecast to bring more rain and blustery winds Monday. Snow levels will lower to 5000 feet Monday afternoon with brisk onshore winds. Tuesday looks very cool and unstable with numerous showers and a good chance of afternoon thunderstorms. The snow level could drop to near 3000 feet. Shower activity will decrease Wednesday, as the air mass slowly begins to warm. Daytime smoke dispersal should be good. Cold nighttime temperatures could make for low early morning mixing heights, especially on Wednesday. Temperatures will be unseasonably cool with strong onshore flow. 2. DISPERSION SUNDAY Mixing height 3000 - 4000 ft during the morning. Mixing height rises to above 5000 ft during the afternoon then lowers to 3000 - 4000 ft during the evening. Transport wind NNW to NNE at 9 - 15 mph during the morning. Transport wind increases to NNW to N at 15 - 25 mph during the afternoon then decreases to NNW to N at 9 - 15 mph during the evening. Surface wind NNW to NNE at 6 - 12 mph during the morning. Surface wind increases to NNW to N at 10 - 22 mph during the afternoon then decreases to NNW to N at 8 - 12 mph during the evening. OUTLOOK: MONDAY Mixing height below 1000 ft early rising to 4000 - 5000 ft by late morning rising above 5000 ft during the afternoon. Transport wind SW to WSW at 10 - 18 mph during the morning becoming W to NW at 22 - 38 mph during the afternoon. Surface wind SW to WSW at 8 - 14 mph during the morning becoming W to NW at 15 - 25 mph during the afternoon. TUESDAY Mixing height 2200 - 3200 ft during the morning rising above 5000 ft during the afternoon. Transport wind NW to N at 6 - 10 mph during the morning becoming NW to NNW at 12 - 22 mph during the afternoon. Surface wind NW to N at 5 - 9 mph during the morning becoming NW to N at 9 - 15 mph during the afternoon. WEDNESDAY Mixing height below 1000 ft early rising to 3200 - 4200 ft by late morning rising above 5000 ft during the afternoon. Transport wind NNW to NNE at 9 - 15 mph during the morning becoming NW to NNW at 12 - 22 mph during the afternoon. Surface wind NNW to NNE at 6 - 12 mph. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Sunday, May 2, 2010. ================================================================== Avoid ignitions within 10 miles to the WNW through NNW of SSRAs. For units that will smolder significantly through the night avoid burning within at least 15 miles to the WNW through NNE in or near drainages leading to SSRAs. Care needed in selecting units as smoke will likely fumigate along the ground in wind prone areas. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Sun May 2 13:56:55 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Sun, 2 May 2010 13:56:55 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35DA432DD@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Sunday, May 2, 2010 2:40 PM Jim Little 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 MONDAY The flat upper ridge that was over the region Sunday gets suppressed as a cold upper trough digs into British Columbia and extends southward into Oregon. The associated cold front brings clouds but precipitation should stay mostly to the north of the region. The remains of that front move through Monday evening and will bring windy conditions to the area. Smoke dispersal conditions should be good with quite high mixing heights. OUTLOOK (TUESDAY-THURSDAY) The cold upper trough lies east to west over the region on Tuesday with an upper low closing off in southern Washington by evening. Precipitation should remain to the north of the region but skies will be mostly cloudy. Cool temperatures will continue with highs well below average for early May. Minor ridging aloft begins by Thursday. While mixing heights remain high throughout the outlook period for generally good smoke dispersal conditions, transport winds will become light and variable by Thursday which could limit opportunities some areas by that time. 2. DISPERSION MONDAY Mixing height above 5000 ft during the morning. Mixing height lowers to 3300 - 4300 ft during the afternoon then rises to 3900 - 4900 ft during the evening. Transport wind SW to W at 21 - 37 mph during the morning. Transport wind increases to WSW to WNW at 25 - 45 mph during the afternoon then decreases to WSW to WNW at 21 - 37 mph during the evening. Surface wind SW to W at 15 - 29 mph during the morning and afternoon. Surface wind decreases to W to WNW at 12 - 24 mph during the evening. OUTLOOK: TUESDAY Mixing height below 1000 ft early rising above 5000 ft by late morning and through the afternoon. Transport wind light and variable during the morning becoming W to WNW at 10 - 22 mph during the afternoon. Surface wind light and variable during the morning becoming W to NW at 10 - 16 mph during the afternoon. WEDNESDAY Mixing height 3200 - 4200 ft during the morning rising above 5000 ft during the afternoon. Transport wind light and variable during the morning becoming NW to NNW at 8 - 12 mph during the afternoon. Surface wind NW to N at 6 - 12 mph. THURSDAY Mixing height 2800 - 3800 ft during the morning rising above 5000 ft during the afternoon. Transport wind light and variable. Surface wind light and variable. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Monday, May 3, 2010. ================================================================== Avoid ignitions within 10 miles to the WSW through WNW of SSRAs. For units that will smolder significantly through the night avoid burning within at least 15 miles to the WSW through NW in or near drainages leading to SSRAs. Care needed in selecting units as smoke will likely fumigate along the ground in wind prone areas. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Mon May 3 14:33:36 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Mon, 3 May 2010 14:33:36 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35DA434D4@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Monday, May 3, 2010 2:40 PM Jim Little 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 TUESDAY A very cool air mass for this time of year will remain over the region. Temperatures will be about 10 degrees below average. Moisture will be limited and any showers should stay to the north of the region. Cool air aloft will keep the atmosphere unstable for good smoke dispersal conditions. OUTLOOK (WEDNESDAY-FRIDAY) Temperatures begin to recover a bit but below average readings will continue Wednesday. Dry weather is likely and smoke dispersal conditions will remain good. Weak upper level ridging on Thursday will ensure continued dry weather. Cool air aloft and daytime surface heating will push daytime mixing heights to above 5000 feet but this will be offset by quite light transport winds that may limit burning in some areas. Light winds and clearing skies mean nighttime inversions to trap smoke near the ground during the overnight period. By Friday temperatures should be back to near normal. A weak disturbance moving through a generally westerly flow aloft may produce a few mountain showers. Mixing heights remain high for good smoke dispersal conditions. 2. DISPERSION TUESDAY Mixing height above 5000 ft throughout the day. Mixing height lowers to 2500 - 3500 ft during the evening. Transport wind light and variable and controlled by local terrain during the morning. Transport wind increases to WSW to WNW at 12 - 24 mph during the afternoon and evening. Surface wind light and variable and controlled by local terrain during the morning. Surface wind increases to WSW to WNW at 10 - 18 mph during the afternoon then decreases to WSW to NW at 6 - 12 mph during the evening. OUTLOOK: WEDNESDAY Mixing height 2900 - 3900 ft during the morning rising above 5000 ft during the afternoon. Transport wind NNW to NNE at 10 - 22 mph. Surface wind NNW to NNE at 10 - 18 mph. THURSDAY Mixing height below 1000 ft early rising to 2500 - 3500 ft by late morning rising above 5000 ft during the afternoon. Transport wind light and variable. Surface wind light and variable. FRIDAY Mixing height below 1000 ft early rising to 3000 - 4000 ft by late morning rising above 5000 ft during the afternoon. Transport wind light and variable. Surface wind light and variable. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Tuesday, May 4, 2010. ================================================================== Avoid ignitions within 10 miles to the WSW through NNW of SSRAs. For units that will smolder significantly through the night avoid burning within at least 15 miles to the WSW through NNE in or near drainages leading to SSRAs. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Tue May 4 14:51:52 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Tue, 4 May 2010 14:51:52 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35DA437CC@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Tuesday, May 4, 2010 2:40 PM Jim Little 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 WEDNESDAY An upper level disturbance in the west-northwesterly flow aloft develops into a closed low over Washington by morning. This should be far enough to the north that affects in south central Oregon will be minor. I can't rule out the possibility of some light rain or snow but amounts should be very light. Mixing heights should be above 5000 feet for good smoke dispersal conditions with a generally northwesterly transport wind. OUTLOOK (THURSDAY-SATURDAY) The upper low moves east and weak ridging aloft develops over the area by Thursday. The showers will end. Maximum mixing heights will remain high but very light transport winds might limit burn opportunities. Friday and Saturday will see light westerly flow aloft with dry conditions. Winds will be generally southerly Friday. By Saturday transport winds will be picking up from the northwest and maximum mixing height will remain high. Clearing skies and nighttime inversions will hold any residual smoke close to the ground during the overnight period. 2. DISPERSION WEDNESDAY Mixing height 2700 - 3700 ft during the morning. Mixing height rises to above 5000 ft during the afternoon then lowers to 3900 - 4900 ft during the evening. Transport wind NNW to NNE at 8 - 14 mph during the morning. Transport wind increases to NNW to N at 10 - 22 mph during the afternoon and evening. Surface wind NNW to N at 8 - 12 mph during the morning. Surface wind increases to NW to N at 10 - 18 mph during the afternoon then decreases to NW to NNE at 6 - 12 mph during the evening. OUTLOOK: THURSDAY Mixing height 3100 - 4100 ft during the morning rising above 5000 ft during the afternoon. Transport wind NNW to NE at 6 - 12 mph during the morning becoming NNE to ENE at 6 - 10 mph during the afternoon. Surface wind NNW to NNE at 4 - 8 mph during the morning becoming NNE to ENE at 6 - 10 mph during the afternoon. FRIDAY Mixing height below 1000 ft early rising to 4500 - 5000 ft by late morning rising above 5000 ft during the afternoon. Transport wind light and variable. Surface wind light and variable. SATURDAY Mixing height 2600 - 3600 ft during the morning rising above 5000 ft during the afternoon. Transport wind light and variable during the morning becoming W to NW at 5 - 9 mph during the afternoon. Surface wind light and variable during the morning becoming W to NW at 4 - 8 mph during the afternoon. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Wednesday, May 5, 2010. ================================================================== Avoid ignitions within 10 miles to the NW through NNE of SSRAs. No additional restrictions necessary. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Wed May 5 07:52:20 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Wed, 5 May 2010 07:52:20 -0700 Subject: SMI South Central (Smoke Management Instructions) Test Message Message-ID: <8CD18C5BD70D6F4BB2B636295905299C8718F358@WPODFEXCL01.ODF.STATE.OR.US> This is only a test... -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Wed May 5 07:56:56 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Wed, 5 May 2010 07:56:56 -0700 Subject: SMI South Central (Smoke Management Instructions) test message Message-ID: <8CD18C5BD70D6F4BB2B636295905299C8718F35E@WPODFEXCL01.ODF.STATE.OR.US> Test message. -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Wed May 5 14:40:29 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Wed, 5 May 2010 14:40:29 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <8CD18C5BD70D6F4BB2B636295905299C8718F53A@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Wednesday, May 5, 2010 2:40 PM Pete Parsons 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 THURSDAY The cold upper-level trough that brought very cool and blustery weather, along with a few rain and snow showers, early this week will shift eastward. Clearing skies and slowly decreasing winds will make for unseasonably cold early morning temperatures with low-level inversions. However, daytime heating should allow for good afternoon mixing. A very weak ridge, in a cool and drier northwesterly flow aloft, should bring mostly sunny skies. Daytime heating will allow for fair to good afternoon mixing with light offshore flow developing. Temperatures will warm but remain well below normal. OUTLOOK (FRIDAY-SUNDAY) Westerly flow aloft, on Friday, will turn progressively more southwesterly Saturday and Sunday. Skies will be partly to mostly cloudy with temperatures recovering close to normal. The chance of showers will increase slightly Friday and Saturday. An upper-level trough is forecast to move over the region by late Sunday with showers likely. Nighttime inversions may hold residual smoke close to the ground, through the early morning hours. Daytime heating will provide good afternoon mixing. However, northerly transport winds will be fairly light. 2. DISPERSION THURSDAY Mixing height below 500 ft early rising above 5000 ft by late morning. Mixing height lowers to 1000 - 2000 ft during the evening. Transport wind NE to E at 5 - 9 mph. Surface wind NE to E at 5 - 9 mph during the morning and afternoon. Surface wind becomes light and variable and controlled by local terrain during the evening. OUTLOOK: FRIDAY Mixing height below 1000 ft early rising above 5000 ft by late morning and through the afternoon. Transport wind E to SE at 8 - 14 mph during the morning becoming light and variable during the afternoon. Surface wind ESE to SSE at 5 - 9 mph during the morning becoming light and variable during the afternoon. SATURDAY Mixing height below 1000 ft early rising above 5000 ft by late morning and through the afternoon. Transport wind light and variable during the morning becoming NW to N at 6 - 10 mph during the afternoon. Surface wind light and variable during the morning becoming NW to N at 4 - 8 mph during the afternoon. SUNDAY Mixing height below 1000 ft early rising above 5000 ft by late morning and through the afternoon. Transport wind NNW to NNE at 4 - 8 mph during the morning becoming NW to NNW at 8 - 14 mph during the afternoon. Surface wind NNW to NNE at 4 - 8 mph. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Thursday, May 6, 2010. ================================================================== Avoid ignitions within 12 miles to the NNE through ESE of SSRAs. For units that will smolder significantly through the night avoid burning within at least 20 miles to the NNE through SE in or near drainages leading to SSRAs. Verify transport winds away from SSRAs if burning in any other direction. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Thu May 6 14:34:09 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Thu, 6 May 2010 14:34:09 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <8CD18C5BD70D6F4BB2B636295905299C8718F7B7@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Thursday, May 6, 2010 2:40 PM Pete Parsons 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 FRIDAY Clearing skies and light offshore winds will lead to another unseasonably cold early morning with inversions. A weak upper-level disturbance, in a westerly flow aloft, is forecast to move onshore in the afternoon. It will bring some clouds in the afternoon but also shift the surface thermal trough into south-central Oregon. Mixing should be good, but watch for southeasterly transport winds to possibly become westerly or northwesterly during the mid to late afternoon. OUTLOOK (SATURDAY-MONDAY) The weak upper-level trough/surface thermal trough couplet will continue east Saturday with good mixing and increasing northwesterly transport winds. Skies should mostly be partly cloudy with near normal temperatures and very limited mountain shower activity. Another upper-level trough will turn the flow aloft southwesterly Sunday with an increasing chance of showers. Afternoon mixing should be good with continued northwesterly transport winds. A stronger system will likely bring much cooler and showery weather Monday with snow levels dropping to near 4000 feet. 2. DISPERSION FRIDAY Mixing height below 1000 ft early rising to 4000 - 5000 ft by late morning. Afternoon mixing height rises above 5000 ft then lowers to 1500 - 2500 ft during the evening. Transport wind light and variable and controlled by local terrain during the morning. Transport wind increases to WNW to NNW at 5 - 9 mph during the afternoon and evening. Surface wind light and variable and controlled by local terrain during the morning. Surface wind increases to WNW to NNW at 5 - 9 mph during the afternoon then becomes light and variable during the evening. OUTLOOK: SATURDAY Mixing height below 1000 ft early rising above 5000 ft by late morning and through the afternoon. Transport wind WNW to NNW at 4 - 8 mph during the morning becoming WNW to NNW at 10 - 16 mph during the afternoon. Surface wind light and variable during the morning becoming WNW to NNW at 8 - 12 mph during the afternoon. SUNDAY Mixing height below 1000 ft early rising to 2500 - 3500 ft by late morning rising above 5000 ft during the afternoon. Transport wind NW to N at 6 - 10 mph. Surface wind NW to N at 6 - 10 mph. MONDAY Mixing height 2500 - 3500 ft during the morning rising above 5000 ft during the afternoon. Transport wind WSW to WNW at 8 - 12 mph during the morning becoming WNW to NNW at 10 - 18 mph during the afternoon. Surface wind W to NW at 8 - 12 mph. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Friday, May 7, 2010. ================================================================== Avoid ignitions within 12 miles in all directions of SSRAs. For units that will smolder significantly through the night avoid burning within at least 20 miles in all directions of SSRAs. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Fri May 7 14:33:33 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Fri, 7 May 2010 14:33:33 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <8CD18C5BD70D6F4BB2B636295905299C8718F96D@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Friday, May 7, 2010 2:40 PM Pete Parsons 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 SATURDAY The unseasonably cold air mass, from earlier this week, has moderated, with temperatures returning to near normal. Only brief morning inversions are likely, with good ventilation conditions from late morning through the afternoon. The flow aloft will be westerly with a couple of upper-air disturbances possibly triggering a few showers, mainly over the mountains. Northwesterly transport winds will increase in the afternoon, as the surface thermal trough shifts from central Oregon into Idaho. OUTLOOK (SUNDAY-TUESDAY) Another upper-level trough will move across southern Oregon and northern California on Sunday. Scattered showers are likely with a chance of thunderstorms. Mixing should be fair to good from the late morning through the afternoon with generally westerly transport winds. A cold upper-level trough will move over Oregon Monday with showery weather. Snow levels will drop to near 5000 feet. Showers will likely linger into Tuesday with a drier northerly flow aloft forecast by Tuesday afternoon. 2. DISPERSION SATURDAY Mixing height below 500 ft early rising above 5000 ft by late morning. Mixing height lowers to 3000 - 4000 ft during the evening. Transport wind light and variable and controlled by local terrain during the morning. Transport wind increases to NW to NNW at 8 - 12 mph during the afternoon and evening. Surface wind light and variable and controlled by local terrain during the morning. Surface wind increases to NW to N at 6 - 10 mph during the afternoon and evening. OUTLOOK: SUNDAY Mixing height below 1000 ft early rising to 2500 - 3500 ft by late morning rising above 5000 ft during the afternoon. Transport wind light and variable during the morning becoming WSW to WNW at 9 - 15 mph during the afternoon. Surface wind light and variable during the morning becoming W to NW at 6 - 12 mph during the afternoon. MONDAY Mixing height below 1000 ft early rising to 2500 - 3500 ft by late morning rising above 5000 ft during the afternoon. Transport wind WSW to WNW at 9 - 15 mph. Surface wind W to NW at 8 - 12 mph. TUESDAY Mixing height 2500 - 3500 ft during the morning rising above 5000 ft during the afternoon. Transport wind NW to NNW at 15 - 25 mph during the morning becoming NW to N at 10 - 18 mph during the afternoon. Surface wind NNW to NNE at 10 - 16 mph. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Saturday, May 8, 2010. ================================================================== Avoid ignitions within 10 miles to the WSW through N of SSRAs. For units that will smolder significantly through the night avoid burning within at least 15 miles to the WSW through N in or near drainages leading to SSRAs. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Sat May 8 14:30:07 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Sat, 8 May 2010 14:30:07 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <8CD18C5BD70D6F4BB2B636295905299C8718F9FF@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Saturday, May 8, 2010 2:40 PM Pete Parsons 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 SUNDAY A split-flow jet stream pattern will send another upper-level trough across mainly the southern two-thirds of Oregon. Scattered showers are likely with the snow level dropping to around 5500 feet. Mixing should be fair to good from the late morning through the afternoon with generally northwest to westerly transport winds. OUTLOOK (MONDAY-WEDNESDAY) A strong upper-level trough will bring showery and cooler conditions on Monday. Light snow accumulations are possible above 4-5000 feet. Transport winds should take on more of a southerly component, Monday morning, possibly shifting to westerly late in the day. A northerly flow aloft is forecast on Tuesday, as an upper-level ridge builds just offshore. That should taper off the shower activity with northwesterly transport winds likely turning more northerly by Tuesday evening. Wednesday looks dry with transport winds becoming more easterly along with good mixing heights. 2. DISPERSION SUNDAY Mixing height 3000 - 4000 ft during the morning. Afternoon mixing height rises to 3500 - 4500 ft then lowers to 2700 - 3700 ft during the evening. Transport wind WNW to NNW at 8 - 12 mph during the morning. Transport wind increases to WSW to WNW at 10 - 20 mph during the afternoon and evening. Surface wind light and variable and controlled by local terrain during the morning. Surface wind increases to W to NW at 10 - 20 mph during the afternoon and evening. OUTLOOK: MONDAY Mixing height below 1000 ft early rising to 2200 - 3200 ft by late morning rising above 5000 ft during the afternoon. Transport wind S to SW at 10 - 20 mph during the morning becoming WSW to WNW at 10 - 20 mph during the afternoon. Surface wind SSE to SSW at 6 - 10 mph during the morning becoming WSW to WNW at 10 - 20 mph during the afternoon. TUESDAY Mixing height 2200 - 3200 ft during the morning rising above 5000 ft during the afternoon. Transport wind WNW to NNW at 10 - 16 mph. Surface wind NNW to NNE at 6 - 10 mph. WEDNESDAY Mixing height below 1000 ft early rising to 4500 - 5000 ft by late morning rising above 5000 ft during the afternoon. Transport wind ENE to E at 8 - 12 mph during the morning becoming N to NE at 4 - 8 mph during the afternoon. Surface wind NE to ESE at 4 - 8 mph during the morning becoming N to NE at 4 - 8 mph during the afternoon. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Sunday, May 9, 2010. ================================================================== Avoid ignitions within 12 miles to the WSW through NNW of SSRAs. For units that will smolder significantly through the night avoid burning within at least 20 miles to the S through NNW in or near drainages leading to SSRAs. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Sun May 9 14:53:46 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Sun, 9 May 2010 14:53:46 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35DA43E5E@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Sunday, May 9, 2010 2:40 PM Jim Little 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 MONDAY An upper level low moves into SW Oregon/Northern California during the day. This will produce showers throughout the region with heaviest amounts in southern zones. The air mass will be cool and snow is possible above 4500 feet ASL. Mixing heights will be fairly high for fair to good smoke dispersal conditions. OUTLOOK (TUESDAY-THURSDAY) High pressure aloft develops offshore with the upper low tracking across Nevada and Utah on Tuesday. Showers should decrease rapidly during the day. By Wednesday a thermal trough is well established in central California for a generally northerly transport wind. Also by Wednesday the upper ridge moves over the area and will dominate area weather for Wednesday and Thursday with dry weather likely. Sunshine and daytime heating will help keep maximum mixing heights high throughout the outlook period but the clear skies will aid radiational cooling for nighttime inversions and very low mixing conditions during the overnight period. 2. DISPERSION MONDAY Mixing height 1800 - 2800 ft during the morning. Mixing height rises to above 5000 ft during the afternoon then lowers to 2000 - 3000 ft during the evening. Transport wind SW to W at 10 - 20 mph during the morning. Transport wind decreases to SW to W at 8 - 14 mph during the afternoon then shifts to WNW to NNW at 8 - 12 mph during the evening. Surface wind SW to WNW at 6 - 10 mph throughout the morning and afternoon. Surface wind shifts to WNW to NNW at 4 - 8 mph during the evening. OUTLOOK: TUESDAY Mixing height 3100 - 4100 ft during the morning rising above 5000 ft during the afternoon. Transport wind NNW to N at 16 - 26 mph. Surface wind NW to N at 10 - 16 mph during the morning becoming N to NNE at 10 - 22 mph during the afternoon. WEDNESDAY Mixing height below 1000 ft early rising to 4000 - 5000 ft by late morning rising above 5000 ft during the afternoon. Transport wind light and variable during the morning becoming NW to NNE at 4 - 8 mph during the afternoon. Surface wind light and variable. THURSDAY Mixing height below 1000 ft early rising to 4500 - 5000 ft by late morning rising above 5000 ft during the afternoon. Transport wind ENE to ESE at 4 - 8 mph. Surface wind light and variable. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Monday, May 10, 2010. ================================================================== Avoid ignitions within 12 miles to the SW through NNW of SSRAs. For units that will smolder significantly through the night avoid burning within at least 12 miles to the SW through NNE in or near drainages leading to SSRAs. Watch for shifting transport winds. No additional restrictions necessary. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Mon May 10 14:02:28 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Mon, 10 May 2010 14:02:28 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35DA4406B@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Monday, May 10, 2010 2:40 PM Jim Little 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 TUESDAY The upper level low that swung into Northern California on Monday moves across Nevada and Utah while an upper level ridge builds off the coast. A chance of mainly mountain showers continues, but the chances will decrease during the day. Maximum mixing heights should remain high enough for good smoke dispersal conditions. OUTLOOK (WEDNESDAY-FRIDAY) The offshore upper ridge moves over western Oregon Wednesday. This will give northerly upper level flow to the region with dry weather. Maximum mixing heights remain above 5000 feet during the afternoon for good smoke dispersal conditions. Fair skies will allow for the formation of nighttime inversions which will hold smoke from any smoldering units close to the ground during the overnight hours. By Thursday the upper ridge becomes indistinct. Winds aloft go light and variable, and lower level transport winds will be quite light as well. The nighttime inversions continue. Not much change is expected from Thursday to Friday. 2. DISPERSION TUESDAY Mixing height 2000 - 3000 ft during the morning. Afternoon mixing height rises to 4300 - 5000 ft then lowers to 3500 - 4500 ft during the evening. Transport wind NNW to N at 15 - 25 mph during the morning. Transport wind increases to N to NNE at 20 - 34 mph during the afternoon and evening. Surface wind NNW to N at 10 - 22 mph during the morning. Surface wind increases to NNW to NNE at 14 - 28 mph during the afternoon then decreases to NNW to NNE at 10 - 18 mph during the evening. OUTLOOK: WEDNESDAY Mixing height below 1000 ft early rising to 2300 - 3300 ft by late morning rising above 5000 ft during the afternoon. Transport wind NNE to NE at 10 - 18 mph during the morning becoming N to NE at 6 - 10 mph during the afternoon. Surface wind N to NE at 6 - 10 mph. THURSDAY Mixing height below 1000 ft early rising to 4500 - 5000 ft by late morning rising above 5000 ft during the afternoon. Transport wind light and variable. Surface wind light and variable. FRIDAY Mixing height below 1000 ft early rising to 4500 - 5000 ft by late morning rising above 5000 ft during the afternoon. Transport wind light and variable. Surface wind light and variable. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Tuesday, May 11, 2010. ================================================================== Avoid ignitions within 10 miles to the NW through NNE of SSRAs. For units that will smolder significantly through the night avoid burning within at least 10 miles to the NW through NE in or near drainages leading to SSRAs. Care needed in selecting units as smoke will likely fumigate along the ground in wind prone areas. No additional restrictions necessary. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Tue May 11 14:53:02 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Tue, 11 May 2010 14:53:02 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35DB97E77@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Tuesday, May 11, 2010 2:40 PM Jim Little 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 WEDNESDAY An upper level ridge slowly moves eastward across the region. By late afternoon the axis of this ridge extends from eastern British Columbia to southwestern Oregon. Expect dry northerly upper level flow on the east side of that ridge. Warm daytime temperatures should push daytime mixing heights quite high for good smoke dispersal conditions. Clearing skies at night will allow surface based inversions to form and trap any residual smoke near the surface overnight and into early morning hours. OUTLOOK (THURSDAY-FRIDAY) The upper ridge weakens on Thursday with a light, generally westerly, flow aloft throughout the outlook period. Periodic minor impulses ripple across the region in the westerlies aloft but should do little to affect sensible weather. Weather will remain dry. Skies will be generally sunny. Mixing heights fairly high for generally good smoke dispersal conditions. Clearing skies at night will allow surface based inversions to form and trap any residual smoke near the surface overnight and into early morning hours. 2. DISPERSION WEDNESDAY Mixing height 1900 - 2900 ft during the morning. Mixing height rises to above 5000 ft during the afternoon then lowers to 1500 - 2500 ft during the evening. Transport wind N to NE at 6 - 12 mph. Surface wind N to NE at 6 - 10 mph. OUTLOOK: THURSDAY Mixing height below 1000 ft early rising above 5000 ft by late morning and through the afternoon. Transport wind ENE to ESE at 4 - 8 mph during the morning becoming light and variable during the afternoon. Surface wind light and variable. FRIDAY Mixing height below 1000 ft early rising above 5000 ft by late morning and through the afternoon. Transport wind light and variable. Surface wind light and variable. SATURDAY Mixing height below 1000 ft early rising above 5000 ft by late morning and through the afternoon. Transport wind light and variable. Surface wind light and variable. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Wednesday, May 12, 2010. ================================================================== Avoid ignitions within 15 miles to the N through ENE of SSRAs. For units that will smolder significantly through the night avoid burning within at least 30 miles to the N through ESE in or near drainages leading to SSRAs. Recommend against burning units that will smolder significantly overnight. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Wed May 12 15:32:31 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Wed, 12 May 2010 15:32:31 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <8CD18C5BD70D6F4BB2B636295905299C872B7116@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Wednesday, May 12, 2010 2:40 PM Pete Parsons 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 THURSDAY A flat upper-level ridge will result in a weak westerly flow aloft with temperatures several degrees above normal. A very weak upper-level disturbance may force a surface thermal trough into south-central Oregon late in the day. Mixing should be fair to good from the late morning through the afternoon, although transport winds will be light. OUTLOOK (FRIDAY-SUNDAY) Increasing northwesterly flow aloft will shift the surface thermal trough into eastern Oregon by Friday afternoon with increasing clouds. Mixing will be good from the late morning through the afternoon with transport winds turning onshore. A transitory upper-level ridge is forecast to move over Oregon Saturday for continued mostly dry and warm weather. There could be an isolated afternoon shower with continued good daytime mixing and onshore flow. The flow aloft is forecast to turn southwesterly and increase on Sunday with a better chance of afternoon showers. Mixing should be good with increasing southwesterly transport winds. 2. DISPERSION THURSDAY Mixing height below 1000 ft early rising above 5000 ft by late morning. Mixing height lowers to 1000 - 2000 ft during the evening. Transport wind E to SE at 6 - 10 mph during the morning. Transport wind shifts to SSE to SSW at 4 - 8 mph during the afternoon then becomes light and variable and controlled by local terrain during the evening. Surface wind E to SE at 6 - 10 mph during the morning. Surface wind becomes light and variable and controlled by local terrain during the afternoon and evening. OUTLOOK: FRIDAY Mixing height below 1000 ft early rising above 5000 ft by late morning and through the afternoon. Transport wind SSE to SSW at 8 - 14 mph during the morning becoming WSW to WNW at 8 - 12 mph during the afternoon. Surface wind SSE to SSW at 5 - 9 mph during the morning becoming WSW to WNW at 6 - 10 mph during the afternoon. SATURDAY Mixing height below 1000 ft early rising above 5000 ft by late morning and through the afternoon. Transport wind SSW to WSW at 6 - 12 mph during the morning becoming WSW to WNW at 9 - 15 mph during the afternoon. Surface wind light and variable during the morning becoming WSW to WNW at 8 - 12 mph during the afternoon. SUNDAY Mixing height below 1000 ft early rising above 5000 ft by late morning and through the afternoon. Transport wind SSE to SSW at 9 - 15 mph during the morning becoming light and variable during the afternoon. Surface wind SSE to SSW at 6 - 10 mph during the morning becoming light and variable during the afternoon. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Thursday, May 13, 2010. ================================================================== Avoid ignitions within 12 miles to the E through SSW of SSRAs. For units that will smolder significantly through the night avoid burning within at least 20 miles to the E through SSW in or near drainages leading to SSRAs. Verify transport winds away from SSRAs if burning in any other direction. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Thu May 13 16:35:42 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Thu, 13 May 2010 16:35:42 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <8CD18C5BD70D6F4BB2B636295905299C872B7430@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Thursday, May 13, 2010 4:30 PM Pete Parsons 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 FRIDAY A weak upper-level disturbance will slightly flatten the ridge over Oregon with increasing northwesterly flow aloft. Skies should remain mostly sunny with only isolated afternoon mountain thunderstorm development. The surface thermal trough will begin the day west of the Cascades and shift into central Oregon in the afternoon. Mixing will be good from the late morning through the afternoon with southerly transport winds turning onshore in the afternoon. OUTLOOK (SATURDAY-MONDAY) A transitory upper-level ridge is forecast to move over Oregon Saturday for continued mostly dry and warm weather. Once again, there could be isolated afternoon mountain thundershowers. After morning inversions, daytime mixing should be good. Transport winds will likely revert back to southerly in the morning but turn southwesterly in the afternoon. The flow aloft is forecast to turn southwesterly, and increase, Sunday and Monday with an increasing chance of showers and thunderstorms along with cooler temperatures. Mixing should be good with increasing southwesterly transport winds. 2. DISPERSION FRIDAY Mixing height below 1000 ft early rising above 5000 ft by late morning. Mixing height lowers to 1500 - 2500 ft during the evening. Transport wind SE to S at 7 - 11 mph during the morning. Transport wind shifts to WSW to WNW at 6 - 10 mph during the afternoon and evening. Surface wind ESE to SSE at 6 - 10 mph during the morning. Surface wind becomes WSW to WNW at 6 - 10 mph during the afternoon and evening. OUTLOOK: SATURDAY Mixing height below 1000 ft early rising above 5000 ft by late morning and through the afternoon. Transport wind SSE to SSW at 6 - 12 mph during the morning becoming SW to W at 8 - 12 mph during the afternoon. Surface wind SSE to SSW at 5 - 9 mph during the morning becoming WSW to WNW at 6 - 10 mph during the afternoon. SUNDAY Mixing height below 1000 ft early rising above 5000 ft by late morning and through the afternoon. Transport wind SSE to SW at 10 - 14 mph during the morning becoming SSW to WSW at 13 - 17 mph during the afternoon. Surface wind SSE to SW 8 - 12 mph in the morning becoming SSW to WSW at 10 - 15 mph during the afternoon. MONDAY Mixing height below 1000 ft early rising above 5000 ft by late morning and through the afternoon. Transport wind SSE to SSW at 14 - 18 mph during the morning becoming SSW to WSW 11 - 15 mph during the afternoon. Surface wind SSE to SSW at 8 - 12 mph during the morning becoming SW to WNW 8-13 mph during the afternoon. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Friday, May 14, 2010. ================================================================== Avoid ignitions within 12 miles in all directions of SSRAs. For units that will smolder significantly through the night avoid burning within at least 20 miles in all directions in or near drainages leading to SSRAs. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Fri May 14 14:26:42 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Fri, 14 May 2010 14:26:42 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <8CD18C5BD70D6F4BB2B636295905299C872B7567@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Friday, May 14, 2010 2:40 PM Pete Parsons 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 SATURDAY A transitory upper-level ridge is forecast to move over Oregon for continued mostly dry and warm weather. Once again, there could be isolated afternoon mountain thundershowers. After morning inversions, daytime mixing should be good. Morning southerly transport winds should turn more westerly in the late afternoon and evening. OUTLOOK (SUNDAY-TUESDAY) The flow aloft is forecast to turn southwesterly on Sunday, and southerly on Monday, as a weather system moves into northern California. The air mass will become increasingly unstable with scattered showers and thunderstorms likely by Monday. Afternoon mixing should be good with mostly southerly or southwesterly transport winds. A transitory upper-level ridge will bring drying on Tuesday. The flow aloft will become northwesterly with transport winds turning westerly to northwesterly. 2. DISPERSION SATURDAY Mixing height below 1000 ft early rising above 5000 ft by late morning. Mixing height lowers to 1000 - 2000 ft during the evening. Transport wind S to SW at 6 - 10 mph throughout the morning and afternoon. Transport wind shifts to W to NW at 5 - 9 mph during the evening. Surface wind S to SW at 5 - 9 mph during the morning and afternoon. Surface wind becomes light and variable and controlled by local terrain during the evening. OUTLOOK: SUNDAY Mixing height below 1000 ft early rising above 5000 ft by late morning and through the afternoon. Transport wind SSE to SSW at 8 - 14 mph. Surface wind SSE to SW at 4 - 8 mph during the morning becoming SSW to SW at 9 - 15 mph during the afternoon. MONDAY Mixing height below 1000 ft early rising above 5000 ft by late morning and through the afternoon. Transport wind SSE to SSW at 10 - 20 mph during the morning becoming S to SW at 15 - 25 mph during the afternoon. Surface wind SSE to SSW at 9 - 15 mph during the morning becoming SSW to WSW at 9 - 15 mph during the afternoon. TUESDAY Mixing height 2200 - 3200 ft during the morning rising above 5000 ft during the afternoon. Transport wind WSW to WNW at 9 - 15 mph. Surface wind WSW to WNW at 6 - 10 mph during the morning becoming WNW to NW at 8 - 12 mph during the afternoon. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Saturday, May 15, 2010. ================================================================== Avoid ignitions within 12 miles to the S through NW of SSRAs. For units that will smolder significantly through the night avoid burning within at least 20 miles to the SSE through NW in or near drainages leading to SSRAs. Watch for shifting transport winds. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Sat May 15 14:25:10 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Sat, 15 May 2010 14:25:10 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <8CD18C5BD70D6F4BB2B636295905299C872B75D5@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Saturday, May 15, 2010 2:40 PM Pete Parsons 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 SUNDAY The upper-level ridge is forecast to progress east of the state with increasing southwesterly flow aloft and southerly to southwesterly transport winds. Morning inversions will give way to fair to good afternoon mixing. The threat of showers or thunderstorms will increase in the afternoon with temperatures slightly cooler than on Saturday. OUTLOOK (MONDAY-WEDNESDAY) The flow aloft is forecast to become increasingly moist and unstable Monday, as it turns southerly in response to trough diving into northern California. Showers and thunderstorms are likely with cooler temperatures. Afternoon mixing should be good with a strong southerly component to the transport winds. However, winds may become highly variable near showers and thunderstorms. The showers will move east of the region by Tuesday afternoon with a drier weak westerly flow aloft and more of a westerly wind component at the transport level. The flow aloft, and at transport level, is forecast to turn southwesterly on Wednesday, ahead of an approaching cold front. 2. DISPERSION SUNDAY Mixing height below 500 ft early rising to 3400 - 4400 ft by late morning. Afternoon mixing height rises above 5000 ft then lowers to 1000 - 2000 ft during the evening. Transport wind S to SW at 8 - 12 mph during the morning. Transport wind increases to S to SW at 10 - 20 mph during the afternoon then decreases to S to SW at 6 - 10 mph during the evening. Surface wind S to SW at 8 - 14 mph during the morning and afternoon. Surface wind decreases to S to SW at 5 - 9 mph during the evening. OUTLOOK: MONDAY Mixing height below 1000 ft early rising to 3500 - 4500 ft by late morning rising to 4100 - 5000 ft during the afternoon. Transport wind SE to SSW at 6 - 10 mph during the morning becoming S to SW at 10 - 20 mph during the afternoon. Surface wind SE to SSW at 4 - 8 mph during the morning becoming SSW to SW at 8 - 14 mph during the afternoon. TUESDAY Mixing height below 1000 ft early rising to 3500 - 4500 ft by late morning rising to 4500 - 5000 ft during the afternoon. Transport wind SSW to WSW at 5 - 9 mph during the morning becoming WSW to WNW at 8 - 12 mph during the afternoon. Surface wind SW to W at 4 - 8 mph during the morning becoming W to NW at 6 - 12 mph during the afternoon. WEDNESDAY Mixing height below 1000 ft early rising to 3500 - 4500 ft by late morning rising to 4500 - 5000 ft during the afternoon. Transport wind SSW to WSW at 10 - 20 mph during the morning becoming SSW to SW at 15 - 25 mph during the afternoon. Surface wind SW to W at 9 - 15 mph. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Sunday, May 16, 2010. ================================================================== Avoid ignitions within 15 miles to the S through SW of SSRAs. For units that will smolder significantly through the night avoid burning within at least 30 miles to the SE through SW in or near drainages leading to SSRAs. Recommend against burning units that will smolder significantly overnight. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Sun May 16 15:47:59 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Sun, 16 May 2010 15:47:59 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35DB9854F@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Sunday, May 16, 2010 2:40 PM Jim Little 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 WEDNESDAY An upper level disturbance will move into northern California during the day and upper flow shifts from southwesterly to southerly. This will push more moisture into the Pacific Northwest. Daytime heating destabilized the atmosphere and afternoon showers are likely with possible thunderstorms. Expect high mixing heights for good smoke dispersal conditions. OUTLOOK (TUESDAY-THURSDAY) An upper level low in the Gulf of Alaska keeps southwesterly flow aloft over the region for Tuesday. There will be enough moisture for widely scattered showers. Smoke dispersal conditions should be good. Look for dry weather on Wednesday until mid afternoon when moisture from a Pacific system crosses the Cascades and spreads east. 2. DISPERSION MONDAY Mixing height below 1000 ft early rising above 5000 ft by late morning. Mixing height lowers to 1000 - 1900 ft during the evening. Transport wind S to SSW at 12 - 22 mph during the morning. Transport wind decreases to SSW to WSW at 10 - 16 mph during the afternoon and evening. Surface wind S to SSW at 9 - 15 mph. OUTLOOK: TUESDAY Mixing height 3200 - 4200 ft during the morning rising above 5000 ft during the afternoon. Transport wind WSW to WNW at 10 - 20 mph. Surface wind SW to WNW at 6 - 12 mph during the morning becoming W to NW at 8 - 14 mph during the afternoon. WEDNESDAY Mixing height below 1000 ft early rising to 3500 - 4500 ft by late morning rising above 5000 ft during the afternoon. Transport wind light and variable. Surface wind light and variable. THURSDAY Mixing height 3500 - 4500 ft during the morning rising above 5000 ft during the afternoon. Transport wind light and variable during the morning becoming WSW to WNW at 4 - 8 mph during the afternoon. Surface wind light and variable. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Monday, May 17, 2010. ================================================================== Avoid ignitions within 12 miles to the SSE through W of SSRAs. For units that will smolder significantly through the night avoid burning within at least 12 miles to the SSE through WNW in or near drainages leading to SSRAs. No additional restrictions necessary. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Mon May 17 14:08:15 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Mon, 17 May 2010 14:08:15 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35DB986FB@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Monday, May 17, 2010 2:40 PM Jim Little 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 TUESDAY Weather maps show a large upper level low in the Gulf of Alaska with counter-clockwise flow around the low giving southerly winds aloft to the region. There will be enough moisture in this circulation for scattered showers, but afternoon sunbreaks should warm surface temperatures enough to push mixing heights to 5000 feet or above. Transport winds will be generally west-southwesterly. OUTLOOK (WEDNESDAY-FRIDAY) A vigorous upper level disturbance rotates around the Gulf of Alaska low. This generates a strong surface low that moves northward off the coastline during the day. Rain from this system crosses the Cascades during the afternoon. Thus expect dry weather early then significant (for this time of year) rainfall in the afternoon and evening. By Thursday the Gulf low splits and a portion moves to off Vancouver Island. This will continue to rotate enough moisture into the area for scattered showers through Friday. Maximum mixing heights should be 5000 feet or above through the outlook period. 2. DISPERSION TUESDAY Mixing height 2600 - 3600 ft during the morning. Mixing height rises to above 5000 ft during the afternoon then lowers to 4000 - 5000 ft during the evening. Transport wind SW to W at 10 - 22 mph. Surface wind SW to W at 10 - 18 mph. OUTLOOK: WEDNESDAY Mixing height below 1000 ft early rising to 3700 - 4700 ft by late morning rising above 5000 ft during the afternoon. Transport wind SSW to SW at 10 - 22 mph during the morning becoming SW to WSW at 21 - 37 mph during the afternoon. Surface wind S to SW at 9 - 15 mph during the morning becoming SSW to WSW at 14 - 28 mph during the afternoon. THURSDAY Mixing height 3800 - 4800 ft during the morning rising above 5000 ft during the afternoon. Transport wind light and variable. Surface wind light and variable. FRIDAY Mixing height 3200 - 4200 ft during the morning rising above 5000 ft during the afternoon. Transport wind light and variable. Surface wind light and variable. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Tuesday, May 18, 2010. ================================================================== Avoid ignitions within 10 miles to the SW through NW of SSRAs. For units that will smolder significantly through the night avoid burning within at least 15 miles to the SSW through NW in or near drainages leading to SSRAs. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Tue May 18 14:02:37 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Tue, 18 May 2010 14:02:37 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35DB988D3@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Tuesday, May 18, 2010 2:40 PM Jim Little 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 WEDNESDAY A deep surface low pressure area will track north-northeastward off the Oregon Coast on Wednesday. Southerly flow ahead of this system will push freezing levels to above 10,000 feet and keep temperatures quite warm. Rain from a Pacific cold associated with the northward-tracking low crosses the Cascades and spreads across the region during the evening hours. OUTLOOK (THURSDAY-SATURDAY) An upper level trough swings through early in the day Thursday. Temperatures will be much cooler. Any showers will end early. Mixing heights will be quite high for good smoke dispersal conditions. Clearing skies overnight will mean low level inversions many areas Friday morning. But daytime heating should help mixing heights recover to near 4000 feet by afternoon for fair to good smoke dispersal conditions. A weak upper level trough will bring scattered showers to the region Saturday. 2. DISPERSION WEDNESDAY Transport wind S to SSW at 15 - 25 mph during the morning. Transport wind increases to SW to WSW at 25 - 43 mph during the afternoon and evening. Surface wind S to SSW at 12 - 22 mph during the morning. Surface wind increases to SW to WSW at 18 - 30 mph during the afternoon and evening. OUTLOOK: THURSDAY Mixing height 3400 - 4400 ft during the morning rising above 5000 ft during the afternoon. Transport wind WSW to WNW at 10 - 16 mph. Surface wind SW to WNW at 6 - 10 mph. FRIDAY Mixing height 2200 - 3200 ft during the morning rising to 3500 - 4500 ft during the afternoon. Transport wind light and variable during the morning becoming W to NW at 4 - 8 mph during the afternoon. Surface wind light and variable. SATURDAY Mixing height 3500 - 4500 ft during the morning rising to 4500 - 5000 ft during the afternoon. Transport wind light and variable. Surface wind light and variable. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Wednesday, May 19, 2010. ================================================================== Avoid ignitions within 10 miles to the S through WSW of SSRAs. For units that will smolder significantly through the night avoid burning within at least 10 miles to the S through W in or near drainages leading to SSRAs. Care needed in selecting units as smoke will likely fumigate along the ground in wind prone areas. No additional restrictions necessary. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Wed May 19 14:07:46 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Wed, 19 May 2010 14:07:46 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35DB98A98@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Wednesday, May 19, 2010 2:30 PM Jim Little 1. DISCUSSION AND FORECAST FOR THE WESTERN OREGON AREA FORECAST ZONES 601-623 THURSDAY A complex upper low pressure area continues in the Gulf of Alaska. A portion deepens and upper flow backs gradually from westerly to southwesterly by late in the day. Transport winds will be generally southwesterly except that just light southwest through northwest transport winds are likely in southwestern Oregon. With continued cool air aloft (freezing level down to 3500 feet in the north, 4500 feet in the south), mixing heights should be quite high for good smoke dispersal conditions. OUTLOOK (FRIDAY-SUNDAY) The upper level low moves to off the Washington coast on Friday supporting another weak Pacific front. This will move into western Oregon early for periods of rain throughout the day. On Saturday the upper level low drifts eastward with enough moisture to continue for scattered showers. By Sunday, as the upper low moves east of the area, upper level flow becomes dry northerly and the showers end for a generally dry day. Transport winds will be mostly light and variable. Mixing heights should be high enough throughout the outlook period for fair to good smoke dispersal conditions. 2. DISPERSION Zone 601, 602, 603 and 612 (North Coast Range): MORNING Mixing height 4200 - 5000 ft. Transport wind SW to WSW at 10 - 22 mph. Surface wind SSW to WSW at 9 - 15 mph. AFTERNOON Mixing height above 5000 ft. Transport wind similar to morning. Surface wind similar to morning. EVENING Mixing height 3000 - 4000 ft. Transport wind similar to afternoon. Surface wind SSW to WSW at 6 - 12 mph. Zone 605-611 (North Cascades): MORNING Mixing height 3400 - 4400 ft. Transport wind SSW to SW at 10 - 16 mph. Surface wind SSW to SW at 10 - 16 mph. AFTERNOON Mixing height rising above 5000 ft. Transport wind SSW to W at 6 - 12 mph. Surface wind SSW to W at 6 - 12 mph. EVENING Mixing height 2800 - 3800 ft. Transport wind SSE to SW at 5 - 9 mph. Surface wind S to SW at 4 - 8 mph. Zone 615-620 (South Coast Range): MORNING Mixing height 3600 - 4600 ft. Transport wind SW to WNW at 6 - 12 mph. Surface wind SW to W at 6 - 12 mph. AFTERNOON Mixing height above 5000 ft. Transport wind WSW to WNW at 10 - 18 mph. Surface wind WSW to WNW at 9 - 15 mph. EVENING Mixing height 2000 - 3000 ft. Transport wind SW to W at 8 - 14 mph. Surface wind SW to WNW at 6 - 12 mph. Zone 616-623 (South Cascades): MORNING Mixing height 1500 - 2500 ft. Transport wind SSW to WSW at 4 - 8 mph. Surface wind SSW to WSW at 5 - 9 mph. AFTERNOON Mixing height rising above 5000 ft. Transport wind SW to WNW at 5 - 9 mph. Surface wind WSW to WNW at 5 - 9 mph. EVENING Mixing height 3100 - 4100 ft. Transport wind becomes light and variable. Surface wind becomes light and variable and controlled by local terrain. OUTLOOK: FRIDAY Mixing height 2400 to 3400 ft during the morning rising to 3200 to 4200 ft during the afternoon. In the Coast Range transport wind SSW to WSW at 10 - 16 mph during the morning becoming WSW to WNW at 8 - 14 mph during the afternoon. In the Cascades transport wind S to SW at 8 - 12 mph during the morning becoming SSW to WSW at 8 - 12 mph during the afternoon. Surface wind SSW to SW at 8 - 12 mph during the morning becoming SW to W at 6 - 12 mph during the afternoon. SATURDAY Mixing height below 1000 ft early rising to 1600 to 2600 ft by late morning rising to 3500 to 4500 ft during the afternoon. Transport wind light and variable during the morning becoming WNW to NNW at 6 - 10 mph during the afternoon. Surface wind light and variable. SUNDAY Mixing height below 1000 ft early rising to 1600 to 2600 ft by late morning rising to 4100 to 5000 ft during the afternoon. Transport wind light and variable. Surface wind light and variable. 3. BURNING INSTRUCTIONS FOR ALL ZONES IN THE WESTERN OREGON AREA These instructions are valid for burning conducted on Thursday, May 20, 2010. ================================================================= Coast Range Zone 601 and 612 Units should be 1000 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs. North of Tillamook in Zone 601, use standard guidance matrix. (See section 5 below.) Zone 602, 603, and 620 Units should be 500 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs. North of T3N in Zone 602, use standard guidance matrix. (See section 5 below.) Units may be 750 tons or less, spaced 5 miles apart, south of the Siuslaw River in Zone 603. Higher tonnage is possible south of T35S in Zone 620. Call the forecaster. Zone 615 Units should be 1500 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs. Zone 616 west of R8W Units should be 1200 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs. Higher tonnage is possible south of T29S. Call the forecaster. Zone 616 east of R9W Units should be 750 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs. Higher tonnage is possible south of T29S. Call the forecaster. Zone 618 Use standard guidance matrix. (See section 5 below.) Zone 619 Units should be 2000 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs. Cascades All zones except zone 611 Use standard guidance matrix. (See section 5 below.) Ensure adequate distance from downwind SSRAs for smoke to dissipate. From T18S through T22S in Zone 608 units should be 1000 tons or less, spaced 5 miles apart. Zone 611 Units should be 1000 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs. Siskiyous Units should be 1000 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs. ============================================================== 4. SPECIAL NOTE: Call the smoke management duty forecaster at (503) 945-7401 to discuss burning. Please do not call individual's numbers to discuss daily burning. If the forecaster is not available, leave a message and he will return your call as soon as possible. Avoid calling between 2 to 2:30 p.m. The forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml 5. STANDARD GUIDANCE MATRIX: * Greater than 5000 ft mixing height: No burning within 5 miles of downwind SSRA. Maximum 100 tons per mile from downwind SSRA. Example: 500 ton maximum allowed if burned 5 miles from downwind SSRA. * 3000 - 5000 ft mixing height: No burning within 10 miles of downwind SSRA. Maximum 75 tons per mile from downwind SSRA. Example: 750 ton maximum allowed if burned 10 miles from downwind SSRA. * Less than 3000 ft mixing height: No burning within 15 miles of downwind SSRA. Maximum 50 tons per mile from downwind SSRA. Example: 750 ton maximum allowed if burned 15 miles from downwind SSRA. * All exceptions must be coordinated with the duty forecaster prior to ignition. -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Wed May 19 14:06:21 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Wed, 19 May 2010 14:06:21 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35DB98A96@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Wednesday, May 19, 2010 2:40 PM Jim Little 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 THURSDAY A complex upper low pressure area continues in the Gulf of Alaska. A portion deepens and upper flow backs gradually from westerly to southwesterly by late in the day. Transport winds will be generally southwesterly through northwesterly during the day. With continued cool air aloft (freezing level down to 3000 feet above sea level), mixing heights should be quite high for good smoke dispersal conditions. OUTLOOK (FRIDAY-SUNDAY) The upper level low moves to off the Washington coast on Friday supporting another weak Pacific front. This will move into western Oregon early in the day then spread to north-central and north-east Oregon during the day. On Saturday the upper level low drifts eastward with enough moisture to continue for scattered showers. By Sunday, as the upper low moves east of the area, upper level flow becomes dry northerly and the showers end for a generally dry day. Transport winds will be mostly light and variable. Mixing heights should be high enough throughout the outlook period for fair to good smoke dispersal conditions. 2. DISPERSION THURSDAY Mixing height above 5000 ft during the morning and afternoon. Mixing height lowers below 1000 ft during the evening. Transport wind WSW to WNW at 8 - 14 mph during the morning and afternoon. Transport wind decreases to WSW to WNW at 8 - 12 mph during the evening. Surface wind WSW to WNW at 8 - 12 mph during the morning and afternoon. Surface wind decreases to WSW to WNW at 4 - 8 mph during the evening. OUTLOOK: FRIDAY Mixing height below 1000 ft early rising above 5000 ft by late morning and through the afternoon. Transport wind WSW to WNW at 8 - 14 mph during the morning becoming W to WNW at 15 - 25 mph during the afternoon. Surface wind WSW to WNW at 6 - 12 mph during the morning becoming W to WNW at 10 - 22 mph during the afternoon. SATURDAY Mixing height 3500 - 4500 ft during the morning rising above 5000 ft during the afternoon. Transport wind light and variable during the morning becoming WNW to NNW at 4 - 8 mph during the afternoon. Surface wind light and variable. SUNDAY Mixing height 2800 - 3800 ft during the morning rising above 5000 ft during the afternoon. Transport wind light and variable. Surface wind light and variable. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Thursday, May 20, 2010. ================================================================== Avoid ignitions within 12 miles to the SW through WNW of SSRAs. For units that will smolder significantly through the night avoid burning within at least 20 miles to the SW through NW in or near drainages leading to SSRAs. Complete ignitions by 4:00pm. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Wed May 19 14:12:18 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Wed, 19 May 2010 14:12:18 -0700 Subject: SMI South Central (Smoke Management Instructions) Recall: South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35DB98A9D@WPODFEXCL01.ODF.STATE.OR.US> LITTLE Jim would like to recall the message, "South Central Smoke Management Instructions". From smi_south_central at listsmart.osl.state.or.us Thu May 20 14:21:32 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Thu, 20 May 2010 14:21:32 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <8CD18C5BD70D6F4BB2B636295905299C873125D1@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Thursday, May 20, 2010 2:40 PM Pete Parsons 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 FRIDAY A cold upper-level trough will remain over the entire Pacific Northwest. Another cold front will bring increasing showers in the afternoon along with a chance of thunderstorms. Maximum temperatures will be 10-15 degrees below normal with the snow level dropping to around 4000 feet by late in the day. High mixing heights will make for good smoke dispersal conditions. OUTLOOK (SATURDAY-MONDAY) An unseasonably cold upper-level trough will set up camp over Oregon Saturday with scattered showers and a chance of afternoon thunderstorms across south-central Oregon. The snow level will be in the 4-5000 foot range. The trough will slowly push east Sunday and Monday with a progressively drier, more stable, and warmer northwesterly flow aloft. Temperatures will remain well below normal, with the snow level only lifting to around 6000 feet by Monday. Showers will taper off by late Monday. Cool air aloft will maintain high afternoon mixing heights, for good daytime smoke dispersal conditions, after early morning inversions. 2. DISPERSION FRIDAY Mixing height 3500 - 4500 ft during the morning. Mixing height rises to above 5000 ft during the afternoon then lowers to 3000 - 4000 ft during the evening. Transport wind SSW to SW at 12 - 24 mph during the morning. Transport wind shifts to WSW to WNW at 15 - 25 mph during the afternoon and evening. Surface wind SW to WSW at 10 - 18 mph. OUTLOOK: SATURDAY Mixing height 2800 - 3800 ft during the morning rising above 5000 ft during the afternoon. Transport wind WSW to WNW at 9 - 15 mph during the morning becoming WNW to NW at 9 - 15 mph during the afternoon. Surface wind WSW to WNW at 9 - 15 mph. SUNDAY Mixing height below 1000 ft early rising to 3500 - 4500 ft by late morning rising above 5000 ft during the afternoon. Transport wind NNW to NNE at 9 - 15 mph. Surface wind NNW to NE at 6 - 10 mph. MONDAY Mixing height below 1000 ft early rising to 4500 - 5000 ft by late morning rising above 5000 ft during the afternoon. Transport wind WSW to NW at 5 - 9 mph. Surface wind W to NW at 4 - 8 mph. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Friday, May 21, 2010. ================================================================== Avoid ignitions within 10 miles to the SSW through WNW of SSRAs. Care needed in selecting units as smoke will likely fumigate along the ground in wind prone areas. Watch for shifting transport winds. No additional restrictions necessary. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Fri May 21 14:30:08 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Fri, 21 May 2010 14:30:08 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <8CD18C5BD70D6F4BB2B636295905299C873127D1@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Friday, May 21, 2010 2:40 PM Pete Parsons 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 SATURDAY A cold upper-level trough will remain over Oregon with mostly cloudy skies and scattered showers across south-central Oregon. Morning snow levels will be as low as 3000 feet, so most areas are vulnerable to minor snow accumulations. Higher terrain could pick up a couple of inches of snow. Once again, maximum temperatures will be 10-15 degrees below normal. Daytime heating could trigger a few afternoon thunderstorms. High mixing heights will make for good daytime smoke dispersal conditions. OUTLOOK (SUNDAY-TUESDAY) The upper-level trough will slowly push east of the region Sunday and Monday with a progressively drier, more stable, and warmer northwesterly flow aloft tapering off the shower activity. Skies should become partly cloudy by Monday. The snow level is forecast to slowly lift to around 6000 feet by Monday with maximum temperatures recovering to within about 5 degrees of normal. Clearing skies will allow morning inversions to form, but cool air aloft will maintain high afternoon mixing heights with good daytime smoke dispersal conditions. A strong jet stream is forecast to direct another Pacific storm onshore Tuesday with rain likely returning by Tuesday afternoon. 2. DISPERSION SATURDAY Mixing height below 2500 ft early rising to 4000 - 5000 ft by late morning. Afternoon mixing height rises above 5000 ft then lowers to 2000 - 3000 ft during the evening. Transport wind WSW to WNW at 10 - 18 mph. Surface wind WSW to WNW at 10 - 18 mph. OUTLOOK: SUNDAY Mixing height below 2000 ft in the early morning rising to above 5000 ft late morning and throughout the afternoon. Transport wind NNW to NNE at 9 - 15 mph. Surface wind N to NE at 8 - 12 mph. MONDAY Mixing height below 1000 ft early rising to 3500 - 4500 ft by late morning rising above 5000 ft during the afternoon. Transport wind SW to W at 6 - 10 mph. Surface wind SW to W at 4 - 8 mph. TUESDAY Mixing height below 1000 ft early rising to 4500 - 5000 ft by late morning rising above 5000 ft during the afternoon. Transport wind SSE to SSW at 15 - 25 mph during the morning becoming S to SSW at 18 - 32 mph during the afternoon. Surface wind SE to SSW at 10 - 18 mph during the morning becoming S to SW at 12 - 24 mph during the afternoon. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Saturday, May 22, 2010. ================================================================== Avoid ignitions within 10 miles to the WSW through NNW of SSRAs. For units that will smolder significantly through the night avoid burning within at least 10 miles to the WSW through NE in or near drainages leading to SSRAs. No additional restrictions necessary. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Sat May 22 14:34:00 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Sat, 22 May 2010 14:34:00 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <8CD18C5BD70D6F4BB2B636295905299C8731284B@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Saturday, May 22, 2010 2:40 PM Pete Parsons 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 SUNDAY An unseasonably cold upper-level trough will begin pushing east of the region with the flow aloft drying and turning northwesterly. Clearing skies will lead to a cold morning, with low-level temperature inversions forming. Skies should be partly to mostly cloudy with a few lingering showers, mainly over higher terrain. Maximum temperatures will warm several degrees, relative to Saturday, but remain well below normal. The snow level will lift to about 5500 feet in the afternoon. High late-morning and afternoon mixing heights will make for good daytime smoke dispersal conditions. OUTLOOK (MONDAY-WEDNESDAY) The upper-level trough will push well east of the region by Monday with a drier west-northwesterly flow aloft over south-central Oregon. Partial clearing and light winds will form low-level overnight temperature inversions, so residual smoke may be trapped near the ground. High afternoon mixing heights will provide fair to good daytime smoke dispersal conditions with increasing onshore transport winds. A weakening weather system is forecast to bring increasing clouds Monday afternoon but not likely any showers. Maximum temperatures will recover to within about 5 degrees of normal. A strong southwesterly jet stream is forecast to direct another cold front onshore Tuesday with rain spreading back across south-central Oregon Tuesday afternoon. Another upper-level trough will bring showers to the region Wednesday with snow levels dropping below 5000 feet. High mixing heights and brisk transport winds should make for good smoke dispersal conditions. 2. DISPERSION SUNDAY Mixing height below 1500 ft early rising to 3500 - 4500 ft by late morning. Afternoon mixing height rises above 5000 ft then lowers to 1500 - 2500 ft during the evening. Transport wind WNW to NNW at 4 - 8 mph. Surface wind NNW to NNE at 4 - 8 mph. OUTLOOK: MONDAY Mixing height below 1000 ft early rising to 3000 - 4000 ft by late morning rising above 5000 ft during the afternoon. Transport wind SSW to WSW at 8 - 12 mph during the morning becoming SW to W at 10 - 20 mph during the afternoon. Surface wind SSW to WSW at 5 - 9 mph during the morning becoming SW to WSW at 10 - 18 mph during the afternoon. TUESDAY Mixing height below 1000 ft early rising to 3000 - 4000 ft by late morning rising to 4000 - 5000 ft during the afternoon. Transport wind SSE to SSW at 15 - 29 mph during the morning becoming SSW to SW at 15 - 29 mph during the afternoon. Surface wind SE to S at 10 - 18 mph during the morning becoming SW to WSW at 12 - 24 mph during the afternoon. WEDNESDAY Mixing height 2800 - 3800 ft during the morning rising to 4500 - 5000 ft during the afternoon. Transport wind S to SW at 12 - 24 mph. Surface wind SSW to WSW at 9 - 15 mph. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Sunday, May 23, 2010. ================================================================== Avoid ignitions within 12 miles to the WNW through N of SSRAs. For units that will smolder significantly through the night avoid burning within at least 20 miles to the SSW through N in or near drainages leading to SSRAs. Verify transport winds away from SSRAs if burning in any other direction. Complete ignitions by 5 p.m. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Sun May 23 13:57:30 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Sun, 23 May 2010 13:57:30 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35DC088EC@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Sunday, May 23, 2010 2:40 PM Jim Little 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 THURSDAY Weak upper level ridging ahead of an upper low west of the Queen Charlotte Islands will be the main weather feature of the day. Expect dry weather. Temperatures should remain mild but below average for the time of year. Nighttime inversions will keep smoke from smoldering fires close to the ground during the overnight period. Mixing heights will be quite high during the afternoons and a south southeast to south southwest wind should provide for good smoke dispersal conditions. OUTLOOK (FRIDAY-SUNDAY) The ridge strengthens early Tuesday then pushes east by mid day. Weather will stay dry. Nighttime inversions continue but daytime mixing heights should be above 5000 feet with a south or south-southeast transport wind for good smoke dispersal conditions. On Wednesday the upper low elongates north to south with a moist southerly flow increasing over the region. This will keep showers going into Thursday. On Thursday the upper low drops southward to off the Oregon coast. Expect fair to good smoke dispersal conditions throughout the outlook period. 2. DISPERSION MONDAY Mixing height above 5000 ft throughout the day. Mixing height lowers to 3400 - 4400 ft during the evening. Transport wind SW to W at 9 - 15 mph during the morning. Transport wind increases to WSW to W at 12 - 24 mph during the afternoon and evening. Surface wind SW to W at 8 - 14 mph. OUTLOOK: TUESDAY Mixing height below 1000 ft early rising to 4100 - 5000 ft by late morning rising above 5000 ft during the afternoon. Transport wind S to SW at 10 - 20 mph. Surface wind S to SW at 6 - 12 mph during the morning becoming SSW to WSW at 8 - 12 mph during the afternoon. WEDNESDAY Mixing height 2400 - 3400 ft during the morning rising above 5000 ft during the afternoon. Transport wind SSE to SSW at 8 - 12 mph during the morning becoming SSE to SSW at 12 - 24 mph during the afternoon. Surface wind SSE to SSW at 6 - 10 mph. THURSDAY Mixing height 1800 - 2800 ft during the morning rising above 5000 ft during the afternoon. Transport wind light and variable. Surface wind light and variable. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Monday, May 24, 2010. ================================================================== Avoid ignitions within 10 miles to the SW through W of SSRAs. For units that will smolder significantly through the night avoid burning within at least 15 miles to the S through W in or near drainages leading to SSRAs. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Mon May 24 13:57:59 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Mon, 24 May 2010 13:57:59 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35DC08AD2@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Monday, May 24, 2010 2:40 PM Jim Little 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 TUESDAY An upper level low remains about 6000 miles west of Vancouver Island on Tuesday. Counter clockwise flow around that low drives a Pacific weather system mainly into northern California but rain spreads in from the southwest during the afternoon. Mixing heights will be high enough for good smoke dispersal conditions. Transport winds will be generally southerly. OUTLOOK (WEDNESDAY-FRIDAY) The upper low elongates on a NW/SE axis but remains offshore on Wednesday. Upper flow will be from the south or southeast across Oregon. There will be enough moisture for scattered showers. By Thursday the upper low consolidates off the southwest Oregon coast. Moisture continues to stream around the low and spread south to north across the region. The low finally drifts east and a drier northerly flow sets up across the region. Expect dry weather, and with some sunshine, warmer temperatures. Smoke dispersal conditions should remain fair to good throughout the outlook period. 2. DISPERSION TUESDAY Mixing height 3000 - 4000 ft during the morning. Mixing height rises to above 5000 ft during the afternoon then lowers to 2400 - 3400 ft during the evening. Transport wind S to SW at 10 - 18 mph during the morning and afternoon. Transport wind increases to S to SSW at 13 - 25 mph during the evening. Surface wind S to SW at 8 - 14 mph. OUTLOOK: WEDNESDAY Mixing height 2100 - 3100 ft during the morning rising above 5000 ft during the afternoon. Transport wind SSW to SW at 12 - 22 mph. Surface wind S to SW at 6 - 12 mph during the morning becoming SW to WSW at 8 - 12 mph during the afternoon. THURSDAY Mixing height below 1000 ft early rising to 2500 - 3500 ft by late morning rising above 5000 ft during the afternoon. Transport wind SSW to WSW at 10 - 20 mph. Surface wind SSW to WSW at 9 - 15 mph. FRIDAY Mixing height 3000 - 4000 ft during the morning rising above 5000 ft during the afternoon. Transport wind NW to N at 15 - 29 mph. Surface wind NW to N at 12 - 24 mph. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Tuesday, May 25, 2010. ================================================================== Avoid ignitions within 12 miles to the S through SW of SSRAs. No additional restrictions necessary. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Tue May 25 14:07:45 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Tue, 25 May 2010 14:07:45 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35DC08D5F@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Tuesday, May 25, 2010 2:35 PM Jim Little 1. DISCUSSION AND FORECAST FOR NORTHEAST FORECAST AREA ZONES 630-638 WEDNESDAY An upper level low, elongated NW to SE on an axis from about 600 miles west of Astoria to just off the northern California coast is the main weather feature for Wednesday. Moisture will rotate into the Pacific Northwest on the counter-clockwise flow around that low for scattered showers. Cool air aloft and daytime heating will help to destabilize the atmosphere in the afternoon for an increased chance of showers with the possibility of thunderstorms but also providing for high mixing heights and good smoke dispersal conditions. OUTLOOK (THURSDAY-SATURDAY) The upper low moves to a position just off the northern California coast. Weather Thursday should be a near repeat of Wednesday. Cool air aloft should help provide good smoke dispersal conditions. By Friday the upper low moves into Nevada. Counter-clockwise flow around that low means a more northerly wind pattern aloft over the region. This is a drier pattern, but again, shower can't be ruled out. Finally on Saturday the upper low is out of the picture, surface high pressure noses into Oregon from the southwest and dry weather is likely. Friday and Saturday will see a continuation of high daytime mixing heights and good smoke dispersal conditions. 2. DISPERSION WEDNESDAY Mixing height 2500 - 3500 ft during the morning. Mixing height rises above 5000 ft during the afternoon then lowers below 1000 ft during the evening. Transport wind S to SW at 6 - 10 mph during the morning. Transport wind becomes light and variable and controlled by local terrain during the afternoon and evening. Surface wind S to SW at 5 - 9 mph during the morning. Surface wind becomes light and variable and controlled by local terrain during the afternoon and evening. OUTLOOK: THURSDAY Mixing height below 1000 ft early rising to 2500 to 3500 ft by late morning rising above 5000 ft during the afternoon. Transport wind NW to N at 6 - 10 mph during the morning becoming W to NW at 8 - 14 mph during the afternoon. Surface wind NW to N at 4 - 8 mph during the morning becoming WSW to NW at 5 - 9 mph during the afternoon. FRIDAY Mixing height below 1000 ft early rising to 3000 to 4000 ft by late morning rising above 5000 ft during the afternoon. Transport wind light and variable. Surface wind light and variable. SATURDAY Mixing height 2000 to 3000 ft during the morning rising above 5000 ft during the afternoon. Transport wind light and variable during the morning becoming NW to N at 5 - 9 mph during the afternoon. Surface wind light and variable during the morning becoming NW to N at 4 - 8 mph during the afternoon. 3. BURNING INSTRUCTIONS FOR NORTHEAST OREGON ZONES 630-638 The following considerations should be adhered to in addition to the requirements of the Oregon Smoke Management Plan. These Instructions are valid for burning conducted on Wednesday, May 26, 2010. ================================================================== Avoid ignitions within 15 miles in all directions of SSRAs. For units that will smolder significantly through the night avoid burning within at least 30 miles in all directions of SSRAs. Recommend against burning units that will smolder significantly overnight. Complete ignitions by 4:00pm. ========================================================= 4. SPECIAL NOTE: The smoke management forecaster is available at (503)- 945-7401. Please call this number and not individual's numbers to discuss daily burning. For large burns (over 2000 tons) or burns extending over a considerable period, please request a special forecast. Avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Wed May 26 14:30:50 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Wed, 26 May 2010 14:30:50 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <8CD18C5BD70D6F4BB2B636295905299C87312E0B@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Wednesday, May 26, 2010 2:40 PM Pete Parsons 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 THURSDAY A strong upper-level trough will remain over the region with the center of circulation just off the northern California coastline. That will maintain a moist and unstable southerly flow aloft over Oregon with numerous showers. Cool air aloft should allow for high mixing heights and good smoke dispersal conditions but may also lead to afternoon and evening thunderstorm development. Maximum temperatures will remain well below normal. The snow level will stay in the 5-6000 feet range. OUTLOOK (FRIDAY-SUNDAY) The upper-level trough axis is forecast to move over south-central Oregon Friday morning, before shifting into Idaho Friday evening. That will maintain considerable shower activity with increasing northwesterly winds ushering drier air, from west to east, across the region during the afternoon and evening. Maximum temperatures will remain well below normal with the snow level staying between 5500 and 6500 feet. Cool air aloft will maintain good daytime smoke dispersal conditions. A transitory and weak upper-level ridge is forecast to bring partly cloudy skies Saturday and Sunday with clearing skies leading to chilly overnight periods with inversions forming. Daytime smoke dispersal conditions will be fair to good with maximum temperatures recovering close to normal by Sunday. 2. DISPERSION THURSDAY Mixing height below 1000 ft early rising to 3700 - 4700 ft by late morning. Afternoon mixing height rises above 5000 ft then lowers to 1000 - 2000 ft during the evening. Transport wind SSE to SSW at 8 - 12 mph. Surface wind SSE to SSW at 6 - 10 mph. OUTLOOK: FRIDAY Mixing height below 1000 ft early rising above 5000 ft by late morning and through the afternoon. Transport wind W to NW at 8 - 14 mph during the morning becoming WNW to NW at 10 - 22 mph during the afternoon. Surface wind light and variable during the morning becoming WNW to NNW at 9 - 15 mph during the afternoon. SATURDAY Mixing height 2500 - 3500 ft during the morning rising above 5000 ft during the afternoon. Transport wind light and variable during the morning becoming NW to N at 5 - 9 mph during the afternoon. Surface wind light and variable during the morning becoming NNW to NNE at 4 - 8 mph during the afternoon. SUNDAY Mixing height below 1000 ft early rising to 3500 - 4500 ft by late morning rising above 5000 ft during the afternoon. Transport wind SSE to SSW at 4 - 8 mph during the morning becoming WSW to WNW at 6 - 12 mph during the afternoon. Surface wind light and variable during the morning becoming WSW to NW at 6 - 10 mph during the afternoon. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Thursday, May 27, 2010. ================================================================== Avoid ignitions within 12 miles to the SSE through W of SSRAs. For units that will smolder significantly through the night avoid burning within at least 20 miles to the SSE through WNW in or near drainages leading to SSRAs. Complete ignitions by 5 p.m. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Thu May 27 14:45:15 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Thu, 27 May 2010 14:45:15 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <8CD18C5BD70D6F4BB2B636295905299C87312FE7@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Thursday, May 27, 2010 2:40 PM Pete Parsons 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 FRIDAY The upper-level trough axis is forecast to move over south-central Oregon Friday morning, before shifting into Idaho Friday evening. That will maintain considerable shower activity with increasing northwesterly winds ushering drier air, from west to east, across the region during the afternoon and evening. Maximum temperatures will remain well below normal with a 5-6000 foot snow level. Cool air aloft will maintain good daytime smoke dispersal conditions. OUTLOOK (SATURDAY-MONDAY) A transitory and weak upper-level ridge is forecast to bring partly cloudy skies Saturday and Sunday with clearing skies leading to chilly overnight periods with low-level inversions trapping residual smoke near the ground. Daytime smoke dispersal conditions will be fair to good with maximum temperatures recovering close to normal by Sunday. The flow aloft will turn southwesterly Monday with fair to good smoke dispersal conditions but also increasing clouds. A slight chance of rain will return by Monday afternoon, mainly north. 2. DISPERSION FRIDAY Mixing height below 1500 ft early rising to 4000 - 5000 ft by late morning. Afternoon mixing height rises above 5000 ft then lowers to 2000 - 3000 ft during the evening. Transport wind NW to N at 8 - 12 mph during the morning. Transport wind increases to NW to N at 13 - 25 mph during the afternoon then decreases to NW to N at 10 - 20 mph during the evening. Surface wind NW to NNE at 6 - 12 mph during the morning. Surface wind increases to NNW to NNE at 10 - 20 mph during the afternoon and evening. OUTLOOK: SATURDAY Mixing height below 1000 ft early rising to 3500 - 4500 ft by late morning rising above 5000 ft during the afternoon. Transport wind NNW to NNE at 8 - 12 mph. Surface wind light and variable during the morning becoming NNW to NE at 6 - 10 mph during the afternoon. SUNDAY Mixing height below 1000 ft early rising to 3500 - 4500 ft by late morning rising above 5000 ft during the afternoon. Transport wind SSE to SSW at 4 - 8 mph during the morning becoming SW to W at 5 - 9 mph during the afternoon. Surface wind light and variable during the morning becoming WSW to WNW at 4 - 8 mph during the afternoon. MONDAY Mixing height below 1000 ft early rising to 4500 - 5000 ft by late morning rising above 5000 ft during the afternoon. Transport wind S to SW at 6 - 10 mph during the morning becoming WSW to WNW at 10 - 18 mph during the afternoon. Surface wind SSW to WSW at 4 - 8 mph during the morning becoming WSW to WNW at 9 - 15 mph during the afternoon. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Friday, May 28, 2010. ================================================================== Avoid ignitions within 10 miles to the NW through N of SSRAs. For units that will smolder significantly through the night avoid burning within at least 15 miles to the NW through NNE in or near drainages leading to SSRAs. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Fri May 28 14:11:03 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Fri, 28 May 2010 14:11:03 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <8CD18C5BD70D6F4BB2B636295905299C889E214E@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Friday, May 28, 2010 2:40 PM Pete Parsons PLEASE NOTE: SMOKE MANAGEMENT FORECASTS WILL NOT BE ISSUED ON SUNDAY, MAY 30TH, IN HONOR OF MEMORIAL DAY, AND NO FORECASTER WILL BE AVAILABLE. SMOKE MANAGEMENT FORECASTS WILL RESUME ON MONDAY, MAY 31ST. 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 SATURDAY As a strong upper-level trough finally exits to the east, it will rotate one last disturbance southward across northern and eastern Oregon. Showers should stay north of the district with partly to mostly sunny skies. After a cold start, with low-level temperature inversions, warmer afternoon temperatures will make for fair to good daytime smoke dispersal conditions. A drier northwesterly flow aloft will clear skies by evening. Low-level overnight temperature inversions could trap residual smoke near the ground. OUTLOOK (SUNDAY-TUESDAY) A transitory and weak upper-level ridge is forecast to move over the region Sunday morning and then push into eastern Oregon Sunday afternoon. Increasing westerly flow aloft will bring clouds, from a weak weather system, into the region by Sunday night. Monday looks mostly cloudy with a slight chance of showers. A flat upper-level ridge will bring some clearing and warming on Tuesday. Daytime smoke dispersal conditions should remain fair to good throughout the period. 2. DISPERSION SATURDAY Mixing height below 1000 ft early rising to 3500 - 4500 ft by late morning. Afternoon mixing height rises above 5000 ft then lowers to 1000 - 2000 ft during the evening. Transport wind NW to NNE at 4 - 8 mph. Surface wind NNW to NE at 4 - 8 mph. OUTLOOK: SUNDAY Mixing height below 1000 ft early rising to 4000 - 5000 ft by late morning rising above 5000 ft during the afternoon. Transport wind light and variable during the morning becoming WSW to WNW at 9 - 15 mph during the afternoon. Surface wind light and variable during the morning becoming WSW to WNW at 8 - 12 mph during the afternoon. MONDAY Mixing height below 1000 ft early rising to 4500 - 5000 ft by late morning rising above 5000 ft during the afternoon. Transport wind SSW to WSW at 8 - 12 mph during the morning becoming WSW to WNW at 10 - 18 mph during the afternoon. Surface wind SSW to WSW at 4 - 8 mph during the morning becoming WSW to WNW at 9 - 15 mph during the afternoon. TUESDAY Mixing height below 1000 ft early rising to 4000 - 5000 ft by late morning rising above 5000 ft during the afternoon. Transport wind SSW to WSW at 5 - 9 mph during the morning becoming WSW to WNW at 8 - 12 mph during the afternoon. Surface wind light and variable during the morning becoming WSW to WNW at 8 - 12 mph during the afternoon. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Saturday, May 29, 2010. ================================================================== Avoid ignitions within 12 miles to the NW through NNE of SSRAs. For units that will smolder significantly through the night avoid burning within at least 20 miles in all directions of SSRAs. Verify transport winds away from SSRAs if burning in any other direction. Complete ignitions by 5 p.m. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Sat May 29 14:16:02 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Sat, 29 May 2010 14:16:02 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <8CD18C5BD70D6F4BB2B636295905299C889E218E@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Saturday, May 29, 2010 2:40 PM Pete Parsons NOTE: IN HONOR OF MEMORIAL DAY, THE SMOKE MANAGEMENT WEATHER OFFICE WILL BE CLOSED ON SUNDAY, MAY 30th, AND NO FORECASTS/INSTRUCTIONS WILL BE ISSUED. NORMAL WEATHER OPERATIONS WILL RESUME ON MONDAY, MAY 31ST. 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 SUNDAY A transitory and weak upper-level ridge is forecast to move over south-central Oregon in the morning and push east of the region in the afternoon. Westerly flow aloft will bring increasing clouds in the afternoon with a slight chance of showers north late. Maximum temperatures will be near normal with fair to good smoke dispersal conditions. OUTLOOK (MONDAY-WEDNESDAY) A weak weather system will come inland Monday, mainly north of the region, but it will produce mostly cloudy and cooler conditions with a slight chance of showers. A very weak upper-level ridge should keep the shower threat minimal on Tuesday, although a lot of clouds will continue to stream over the region via a westerly flow aloft. A Pacific frontal system will bring rain to Washington and the northern half of Oregon on Wednesday. Skies will turn mostly cloudy with a slight chance of rain, mainly north. Temperatures will stay near normal. Smoke dispersal conditions should be fair to good during the period with onshore transport winds. 2. DISPERSION SUNDAY Mixing height below 1500 ft early rising to 3500 - 4500 ft by late morning. Afternoon mixing height rises above 5000 ft then lowers to 1000 - 2000 ft during the evening. Transport wind SSW to WSW at 4 - 8 mph during the morning. Transport wind shifts to WSW to WNW at 6 - 10 mph during the afternoon and evening. Surface wind light and variable and controlled by local terrain during the morning. Surface wind increases to WSW to NW at 6 - 10 mph during the afternoon and evening. OUTLOOK: MONDAY Mixing height 2800 - 3800 ft during the morning rising above 5000 ft during the afternoon. Transport wind SSW to WSW at 6 - 12 mph during the morning becoming WSW to WNW at 10 - 18 mph during the afternoon. Surface wind SSW to WSW at 5 - 9 mph during the morning becoming WSW to WNW at 8 - 12 mph during the afternoon. TUESDAY Mixing height below 1000 ft early rising to 4000 - 5000 ft by late morning rising above 5000 ft during the afternoon. Transport wind light and variable during the morning becoming SW to WNW at 6 - 10 mph during the afternoon. Surface wind light and variable during the morning becoming WSW to NW at 6 - 10 mph during the afternoon. WEDNESDAY Mixing height below 1000 ft early rising to 4000 - 5000 ft by late morning rising above 5000 ft during the afternoon. Transport wind SSW to WSW at 10 - 20 mph. Surface wind S to SW at 4 - 8 mph. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Sunday, May 30, 2010. ================================================================== Avoid ignitions within 12 miles to the SSW through WNW of SSRAs. For units that will smolder significantly through the night avoid burning within at least 20 miles to the SSW through WNW in or near drainages leading to SSRAs. Verify transport winds away from SSRAs if burning in any other direction. Watch for shifting transport winds. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Mon May 31 13:52:41 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Mon, 31 May 2010 13:52:41 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35F3820B7@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Monday, May 31, 2010 2:40 PM Jim Little 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 WEDNESDAY An upper level low in the Gulf of Alaska gives west-southwesterly flow aloft over the region. Minor impulses traveling WSW to NNE in the flow keep scattered showers going through the day. Skies will be mostly cloudy and smoke dispersal conditions will be fair to good. OUTLOOK (THURSDAY-SATURDAY) The upper low moves slightly west Wednesday and upper flow over the area becomes slightly more southwest. A more significant impulse drives a Pacific front to the coast early on Wednesday. Rain will spread eastward during the morning and early afternoon. Smoke dispersal conditions will be fair to good. On Thursday the southwest flow aloft continues but the region will be between weather systems. Never the less there will still be enough moisture around for scattered showers. Slightly warmer surface temperatures should push afternoon mixing heights up a bit for generally good smoke dispersal conditions. A more significant spring storm will develop Friday as a surface low off the SW Oregon coast. This will track from SW to NE toward northwest Washington. Look for rain and brisk winds throughout the day. 2. DISPERSION TUESDAY Mixing height below 500 ft early rising to 2000 - 3000 ft by late morning. Afternoon mixing height rises to 4000 - 5000 ft then lowers to 1800 - 2800 ft during the evening. Transport wind SSW to SW at 9 - 15 mph during the morning. Transport wind shifts to WSW to WNW at 10 - 18 mph during the afternoon and evening. Surface wind SSW to SW at 8 - 12 mph during the morning. Surface wind shifts to WSW to WNW at 9 - 15 mph during the afternoon and evening. OUTLOOK: WEDNESDAY Mixing height below 1000 ft early rising to 2900 - 3900 ft by late morning rising to 3500 - 4500 ft during the afternoon. Transport wind SW to WSW at 20 - 36 mph. Surface wind SSW to WSW at 12 - 24 mph. THURSDAY Mixing height below 1000 ft early rising to 4000 - 5000 ft by late morning and through the afternoon. Transport wind S to SW at 12 - 22 mph during the morning becoming SSW to SW at 25 - 45 mph during the afternoon. Surface wind SSE to SSW at 8 - 12 mph during the morning becoming S to SSW at 12 - 24 mph during the afternoon. FRIDAY Mixing height 2500 - 3500 ft during the morning rising to 4500 - 5000 ft during the afternoon. Transport wind SSW to SW at 22 - 38 mph during the morning becoming SW to W at 15 - 29 mph during the afternoon. Surface wind SSW to SW at 12 - 22 mph during the morning becoming SW to W at 12 - 22 mph during the afternoon. 3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER RANGE PORTION OF ZONE 624 This instruction is valid for burning conducted on Tuesday, June 1, 2010. ================================================================== Avoid ignitions within 12 miles to the SSW through WNW of SSRAs. For units that will smolder significantly through the night avoid burning within at least 20 miles to the SSW through WNW in or near drainages leading to SSRAs. Watch for shifting transport winds. ============================================================== 4. SPECIAL NOTE: The smoke management forecaster is available at (503) 945-7401. The smoke management forecaster is available to discuss specific burns. The duty forecaster phone number is (503) 945-7401. Please call this number and not individual's numbers to discuss daily burning. Please avoid calling before 8 a.m. and between 2 to 3 p.m. This forecast is available on the Internet at: http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management Please ensure your units have been planned and accomplished by checking: http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml -------------- next part -------------- An HTML attachment was scrubbed... URL: