From smi_south_central at listsmart.osl.state.or.us Tue Apr 13 13:36:18 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Tue, 13 Apr 2010 13:36:18 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35C381853@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Tuesday, April 13, 2010 2:40 PM Jim Little 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 An upper level low sets up about 200 miles west of Waldport, Oregon giving south to southwest flow aloft. An upper short wave in this flow sill bring showers mainly to the area with those showers moving northward during the evening hours. OUTLOOK (THURSDAY - SATURDAY) On Thursday the upper low backs off and moves west, farther off the coast. The upper short wave will rotate out of the state into Washington early in the morning leaving the region dry with a southerly flow aloft. Expect good mixing heights and good burning conditions most areas. On Friday the upper low continues off the coast with another weak short wave moving northward across the region producing scattered showers. On Saturday a front develops offshore and moves to the northern coast late in the afternoon. Elsewhere expect dry weather with strong southerly transport winds and mixing heights high enough for good smoke dispersal conditions. 2. DISPERSION WEDNESDAY Mixing height above 5000 ft during the morning and afternoon. Mixing height lowers below 1000 ft during the evening. Transport wind ESE to SSE at 9 - 15 mph during the morning. Transport wind shifts to SSW to SW and increases to 15 - 25 mph during the afternoon then decreases to SW to W at 9 - 15 mph during the evening. Surface wind ESE to SSE at 8 - 12 mph during the morning. Surface wind shifts to SSW to SW at 10 - 16 mph during the afternoon then becomes light and variable and controlled by local terrain during the evening. OUTLOOK: THURSDAY Mixing height below 1000 ft early rising to 4200 - 5000 ft by late morning rising above 5000 ft during the afternoon. Transport wind SSE to SSW at 10 - 16 mph. Surface wind SSE to SSW at 6 - 10 mph. FRIDAY Mixing height below 1000 ft early rising to 4400 - 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 below 1000 ft early rising to 4000 - 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 Wednesday, April 14, 2010. ================================================================== Avoid ignitions within 12 miles to the ESE through W of SSRAs. For units that will smolder significantly through the night avoid burning within at least 20 miles to the ESE through W 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 Thu Apr 15 14:35:46 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Thu, 15 Apr 2010 14:35:46 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35C381C1A@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Thursday, April 15, 2010 2:40 PM Nick Yonker ****Due to the state furlough day tomorrow, April 16th, the office will not be staffed. We plan to staff the office on Saturday and Sunday, April 17th and 18th and on the weekends from now on through the spring burning season.**** 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 Upper level low is in the eastern Pacific with a high pressure ridge to the east of the state. The low will continue to bring disturbances toward the region Friday with a chance of afternoon showers or thundershowers. Air mass will remain mostly unstable under seasonally warm, southerly flow aloft. Expect mostly good smoke dispersion. OUTLOOK (SATURDAY - MONDAY): Weather pattern changes little on Saturday from Friday's pattern. Showers appear unlikely however. Upper level low moves closer to the state Sunday with an increasing chance of moisture Monday. Air mass remains fairly unstable Saturday, stabilizes Sunday, and then destabilizes Monday. 2. DISPERSION FRIDAY Mixing height below 1000 ft early rising to 3300 - 4300 ft by late morning. Afternoon mixing height rises above 5000 ft then lowers to 2500 - 3500 ft during the evening. Transport wind SSE to SSW at 9 - 15 mph during the morning. Transport wind shifts to SW to W and decreases to 6 - 10 mph during the afternoon and evening. Surface wind SSE to SSW at 6 - 10 mph during the morning. Surface wind becomes light and variable and controlled by local terrain during the afternoon and evening. OUTLOOK: SATURDAY Mixing height below 1000 ft early rising to 3300 - 4300 ft by late morning rising above 5000 ft during the afternoon. Transport wind SSE to SW at 6 - 12 mph during the morning becoming SSW to WSW at 9 - 15 mph during the afternoon. Surface wind SSE to SW at 6 - 10 mph during the morning becoming SSW to WSW at 8 - 12 mph during the afternoon. SUNDAY Mixing height below 1000 ft early rising to 3000 - 4000 ft by late morning rising to 4000 - 5000 ft during the afternoon. Transport wind light and variable during the morning becoming SW to W at 6 - 10 mph during the afternoon. Surface wind light and variable during the morning becoming SW to W at 4 - 8 mph during the afternoon. MONDAY Mixing height below 1000 ft early rising to 2500 - 3500 ft by late morning rising to 4500 - 5000 ft during the afternoon. Transport wind SSE to SSW at 10 - 20 mph during the morning becoming SW to WSW at 15 - 30 mph during the afternoon. Surface wind SSE to SSW at 8 - 12 mph during the morning becoming SW to WSW 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, April 16, 2010. ================================================================== For Friday: Avoid ignitions within 12 miles to the SSE through WNW 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. Watch for shifting transport winds. For Saturday: 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 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 SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Thursday, April 15, 2010 2:40 PM Nick Yonker ****Due to the state furlough day tomorrow, April 16th, the office will not be staffed. We plan to staff the office on Saturday and Sunday, April 17th and 18th and on the weekends from now on through the spring burning season.**** 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 Upper level low is in the eastern Pacific with a high pressure ridge to the east of the state. The low will continue to bring disturbances toward the region Friday with a chance of afternoon showers or thundershowers. Air mass will remain mostly unstable under seasonally warm, southerly flow aloft. Expect mostly good smoke dispersion. OUTLOOK (SATURDAY - MONDAY): Weather pattern changes little on Saturday from Friday's pattern. Showers appear unlikely however. Upper level low moves closer to the state Sunday with an increasing chance of moisture Monday. Air mass remains fairly unstable Saturday, stabilizes Sunday, and then destabilizes Monday. 2. DISPERSION FRIDAY Mixing height below 1000 ft early rising to 3300 - 4300 ft by late morning. Afternoon mixing height rises above 5000 ft then lowers to 2500 - 3500 ft during the evening. Transport wind SSE to SSW at 9 - 15 mph during the morning. Transport wind shifts to SW to W and decreases to 6 - 10 mph during the afternoon and evening. Surface wind SSE to SSW at 6 - 10 mph during the morning. Surface wind becomes light and variable and controlled by local terrain during the afternoon and evening. OUTLOOK: SATURDAY Mixing height below 1000 ft early rising to 3300 - 4300 ft by late morning rising above 5000 ft during the afternoon. Transport wind SSE to SW at 6 - 12 mph during the morning becoming SSW to WSW at 9 - 15 mph during the afternoon. Surface wind SSE to SW at 6 - 10 mph during the morning becoming SSW to WSW at 8 - 12 mph during the afternoon. SUNDAY Mixing height below 1000 ft early rising to 3000 - 4000 ft by late morning rising to 4000 - 5000 ft during the afternoon. Transport wind light and variable during the morning becoming SW to W at 6 - 10 mph during the afternoon. Surface wind light and variable during the morning becoming SW to W at 4 - 8 mph during the afternoon. MONDAY Mixing height below 1000 ft early rising to 2500 - 3500 ft by late morning rising to 4500 - 5000 ft during the afternoon. Transport wind SSE to SSW at 10 - 20 mph during the morning becoming SW to WSW at 15 - 30 mph during the afternoon. Surface wind SSE to SSW at 8 - 12 mph during the morning becoming SW to WSW 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, April 16, 2010. ================================================================== For Friday: Avoid ignitions within 12 miles to the SSE through WNW 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. Watch for shifting transport winds. For Saturday: 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 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 Nick Yonker Meteorology Manager Oregon Department of Forestry 503-945-7451 -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Sat Apr 17 14:35:38 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Sat, 17 Apr 2010 14:35:38 -0700 Subject: SMI South Central (Smoke Management Instructions) SMI South Central (Smoke Management Instructions South Central Oregon) Message-ID: <4760A18CB757334187232E31CF73B3C35C381C70@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Saturday, April 17, 2010 2:40 PM Jim Trost 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 Upper low in the Gulf of Alaska with the ridge in the western Rockies. Result is a dry day with mild temperatures and abundant sunshine. The mixing level rises fairly rapidly during the day but falls even more rapidly in the evening. Mixing becomes very poor overnight. Transport light early but establishes a southwest to westerly flow during the afternoon. Good dispersion during the day but poor otherwise. OUTLOOK (MONDAY - WEDNESDAY): Upper trough approaches late Monday. Precipitation probably won't begin until early Tuesday as the trough moves onshore. Chances of precipitation decrease again Wednesday but temperatures will be on the cool side. Snow possible at the higher elevations late Tuesday and into Wednesday. Dispersion improves as the trough nears but begins to worsen again Wednesday. 2. DISPERSION SUNDAY Mixing height 3500 - 4500 ft during the morning, rising above 5000 ft in the afternoon. Mixing height falls below 1000 ft during the evening. Transport wind light and variable in the morning and SSW to WSW at 8 - 14 mph during the afternoon. Transport decreases to SW to W at 4 - 8 mph during the evening. Surface wind light and variable, becoming SSW to WSW at 6 - 12 mph during the afternoon. Wind returns to light and variable during the evening. OUTLOOK: MONDAY Mixing height below 1000 ft early, rising to 4400 - 5000 ft by late morning and above 5000 ft during the afternoon. Transport wind S to SW at 10 - 18 mph. Surface wind S to SW at 6 - 12 mph. TUESDAY Mixing height below 1000 ft early, 1900 - 2900 ft by late morning and 3500 - 4500 ft during the afternoon. Transport wind SSE to SW at 6 - 12 mph in the morning and WSW to WNW at 9 - 15 mph during the afternoon. Surface wind light and variable, becoming W to NW at 4 - 8 mph during the afternoon. WEDNESDAY Mixing height below 1000 ft early, 2500 - 3500 ft by late morning, and 3700 - 4700 ft during the afternoon. Transport wind NW to N at 4 - 8 mph. Surface wind light and variable during the morning, becoming NW to N 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, April 18, 2010. ================================================================== Avoid ignitions within 12 miles to the SSE through WNW of SSRAs. For units that will smolder into the night, avoid burning within at least 20 miles to the SSE 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: From smi_south_central at listsmart.osl.state.or.us Sun Apr 18 14:29:49 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Sun, 18 Apr 2010 14:29:49 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Oregon Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35C381C79@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Sunday, April 18, 2010 2:40 PM Jim Little 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 Upper air charts show a major trough in the eastern Pacific on Monday. Flow aloft over the region is southerly ahead of a slow moving Pacific cold front. Any rain from this system will hold off until Tuesday. Mixing heights support very good smoke dispersal conditions. OUTLOOK (TUESDAY-THURSDAY) On Tuesday the upper trough slowly moves through the region, eventually splitting with the southern portion becoming a closed upper low over California. Showers move in during the morning hours and continue throughout the day. Transport winds will be variable becoming northwesterly during the day. Expect good smoke dispersal conditions. On Wednesday the upper low drifts across southern Nevada. Flow aloft will be light and variable but brisk northwesterly transport winds are likely closer to the ground. On Thursday weak ridging develops over the eastern Pacific Ocean. Flow aloft will be from the north or northwest, and while there will still be a few showers around expect a drying trend during the day. Smoke dispersal conditions should be good. 2. DISPERSION MONDAY Mixing height 2300 - 3300 ft during the morning. Mixing height rises to above 5000 ft during the afternoon then lowers to 3300 - 4300 ft during the evening. Transport wind S to SW at 10 - 16 mph during the morning. Transport wind increases to SSW to SW at 12 - 24 mph during the afternoon and evening. Surface wind S to SW at 8 - 12 mph during the morning. Surface wind increases to SSW to SW at 10 - 18 mph during the afternoon then decreases to SW to WSW at 8 - 12 mph during the evening. OUTLOOK: TUESDAY Mixing height 2900 - 3900 ft during the morning rising to 3500 - 4500 ft during the afternoon. Transport wind SSW to SW at 15 - 29 mph during the morning becoming W to WNW at 13 - 25 mph during the afternoon. Surface wind S to SW at 10 - 16 mph during the morning becoming WSW to WNW at 10 - 20 mph during the afternoon. WEDNESDAY Mixing height 1200 - 2200 ft during the morning rising to 4500 - 5000 ft during the afternoon. Transport wind light and variable. Surface wind light and variable. THURSDAY Mixing height 2500 - 3500 ft during the morning rising to 4500 - 5000 ft during the afternoon. Transport wind WNW to NNW at 4 - 8 mph. Surface wind light and variable during the morning becoming WNW to NNW 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 Monday, April 19, 2010. ================================================================== Avoid ignitions within 12 miles to the S through WSW 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 Mon Apr 19 14:24:06 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Mon, 19 Apr 2010 14:24:06 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Oregon Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35C381E38@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Monday, April 19, 2010 2:40 PM Jim Little 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 Wednesday morning will see an upper level trough extending from the Gulf of Alaska southeastward to off the coast of California. The south end of this trough cuts off as a closed low over California during the day. A Pacific cold front moves in early dropping temperatures and keeping rain and snow showers going throughout the day. Mixing heights will be quite high for good smoke dispersal conditions most areas. OUTLOOK (WEDNESDAY-FRIDAY) An upper low over Nevada keeps circulating showers into the region on Wednesday. Maximum mixing heights remain high for good smoke dispersal conditions. On Thursday the upper low drifts southward but showers continue. Mixing heights drop slightly but smoke dispersal conditions remain fair. Upper ridging develops over the Pacific Northwest on Friday for dry weather. 2. DISPERSION TUESDAY Mixing height 1300 - 2300 ft during the morning. Mixing height rises to above 5000 ft during the afternoon then lowers to 1600 - 2600 ft during the evening. Transport wind SSW to WSW at 10 - 16 mph during the morning. Transport wind becomes light and variable and controlled by local terrain during the afternoon then increases to WNW to NW at 8 - 14 mph during the evening. Surface wind SSW to WSW at 6 - 12 mph during the morning. Surface wind becomes light and variable and controlled by local terrain during the afternoon then increases to W to NNW at 5 - 9 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 N at 21 - 37 mph during the morning becoming N to NNE at 25 - 45 mph during the afternoon. Surface wind NNW to N at 10 - 22 mph. THURSDAY Mixing height 1800 - 2800 ft during the morning rising to 3500 - 4500 ft during the afternoon. Transport wind light and variable. Surface wind light and variable. FRIDAY Mixing height below 1000 ft early rising to 2000 - 3000 ft by late 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 Tuesday, April 20, 2010. ================================================================== Avoid ignitions within 12 miles to the SSW through NNW of SSRAs. For units that will smolder significantly through the night avoid burning within at least 12 miles in all directions 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 Apr 20 14:47:36 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Tue, 20 Apr 2010 14:47:36 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Oregon Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35C382031@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Tuesday, April 20, 2010 2:40 PM Jim Little 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 Upper air charts show a closed low over eastern California/western Nevada and an upper trough moving through British Columbia for Wednesday. Transport winds will be generally northwesterly and smoke dispersal conditions will be fair to good. OUTLOOK (THURSDAY-SATURDAY) The upper low drifts into Arizona and ridging builds in. There will be a few scattered showers Thursday, but they will be on the decrease. Mixing heights will recover for fair to good smoke dispersal conditions. High pressure and fair weather is likely for Friday and Saturday. Maximum mixing heights will be quite high and smoke dispersal conditions will depend mainly on local wind directions and speed. 2. DISPERSION WEDNESDAY Mixing height above 5000 ft during the morning. Mixing height lowers to 4000 - 5000 ft during the afternoon and lowers to 2000 - 3000 ft during the evening. Transport wind NNW to NNE at 26 - 46 mph during the morning. Transport wind decreases to N to NNE at 23 - 41 mph during the afternoon and evening. Surface wind NNW to NNE at 14 - 28 mph during the morning. Surface wind decreases to NNW to NNE at 12 - 22 mph during the afternoon and evening. OUTLOOK: THURSDAY Mixing height 2100 - 3100 ft during the morning rising above 5000 ft during the afternoon. Transport wind N to NNE at 20 - 36 mph. Surface wind NNW to NNE at 10 - 18 mph. FRIDAY Mixing height below 1000 ft early rising to 2000 - 3000 ft by late morning rising above 5000 ft during the afternoon. Transport wind light and variable. Surface wind light and variable. SATURDAY Mixing height below 1000 ft early rising to 3100 - 4100 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 Wednesday, April 21, 2010. ================================================================== Avoid ignitions within 10 miles to the N through NNE of 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 Apr 21 14:53:47 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Wed, 21 Apr 2010 14:53:47 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Oregon Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35C38226B@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Wednesday, April 21, 2010 2:40 PM Jim Little 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 An upper level low pressure area, centered over southern Nevada, is maintaining a very cool air mass over Oregon and continuing to circulate enough moisture over the region for widely scattered showers. The flow aloft will dry out and turn northerly, tonight and Thursday, as the upper level trough slides southeastward to over Utah. Showers should end by Thursday afternoon with northerly transport winds. Mixing heights should climb to around 3500 feet Thursday afternoon. OUTLOOK (FRIDAY-SUNDAY) A weak weather system will push into southern British Columbia on Friday, with transport winds turning westerly by late in the day. Mixing heights should climb to around 5000 feet Thursday afternoon with good ventilation conditions. An upper level trough is forecast to slide across eastern Washington and northern Idaho on Saturday with the flow aloft turning northwesterly. This system will likely bring only partly cloudy skies to the region with continued west-northwesterly transport winds. A weak upper-level ridge is forecast to move over western Oregon Sunday for dry and warmer weather. Mixing heights should climb to around 5000 feet but with lighter transport winds. 2. DISPERSION THURSDAY Mixing height 2000 - 3000 ft during the morning. Afternoon mixing height rises to 3000 - 4000 ft then lowers to 2500 - 3500 ft during the evening. Transport wind N to NNE at 18 - 32 mph during the morning. Transport wind increases to N to NNE at 22 - 38 mph during the afternoon and evening. Surface wind NNW to NNE at 12 - 22 mph during the morning. Surface wind increases to N to NNE at 14 - 28 mph during the afternoon then decreases to NNW to NNE at 10 - 18 mph during the evening. OUTLOOK: FRIDAY Mixing height below 1000 ft early rising to 1800 - 2800 ft by late morning rising above 5000 ft during the afternoon. Transport wind NNW to NNE at 5 - 9 mph during the morning becoming W to WNW at 12 - 22 mph during the afternoon. Surface wind light and variable during the morning becoming W to NW at 9 - 15 mph during the afternoon. SATURDAY 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 W to NW at 5 - 9 mph during the afternoon. Surface wind light and variable during the morning becoming W to NW at 5 - 9 mph during the afternoon. SUNDAY 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 Thursday, April 22, 2010. ================================================================== Avoid ignitions within 12 miles to the N through NNE of SSRAs. For units that will smolder significantly through the night avoid burning within at least 20 miles to the N 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 Thu Apr 22 14:37:24 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Thu, 22 Apr 2010 14:37:24 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35C3824A7@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Thursday, April 22, 2010 2:40 PM Nick Yonker 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 Flat upper level ridge noses into the region overnight and Friday bringing dry and fairly stable conditions tomorrow. Ridge will shift eastward Friday night. Expect mostly fair skies with seasonably afternoon temperatures after a frosty morning. Smoke dispersion will be poor during the morning becoming fair during the afternoon. OUTLOOK (SATURDAY - MONDAY): Upper level trough and minor disturbance moves in early Saturday bringing considerably cooler and unstable conditions Saturday. Moisture is unlikely however. Upper level ridge builds back into the region on Sunday, stabilizing the air mass again. Ridge moves slowly eastward Monday. Expect good smoke dispersion Saturday, and fair to good dispersion Sunday and Monday after poor mixing during the early morning hours. 2. DISPERSION FRIDAY Mixing height below 1000 ft early rising to 3000 - 4000 ft by late morning. Afternoon mixing height rises above 5000 ft then lowers below 1000 ft during the evening. Transport wind light and variable and controlled by local terrain during the morning. Transport wind increases to W to NW 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 W to NNW at 5 - 9 mph during the afternoon then shifts to SW to W at 5 - 9 mph during the evening. OUTLOOK: SATURDAY Mixing height 2500 - 3500 ft during the morning rising above 5000 ft during the afternoon. Transport wind W to NW at 10 - 16 mph during the morning becoming WSW to WNW at 14 - 28 mph during the afternoon. Surface wind SW to W at 6 - 12 mph during the morning becoming WSW to WNW at 10 - 20 mph during the afternoon. SUNDAY 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. MONDAY Mixing height below 1000 ft early rising to 2000 - 3000 ft by late morning rising to 3500 - 4500 ft during the afternoon. Transport wind SE to S at 6 - 10 mph. Surface wind SE to S at 5 - 9 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, April 23, 2010. ================================================================== Avoid ignitions within 12 miles to the SW through NW of SSRAs. For units that will smolder significantly through the night avoid burning within at least 25 miles to the SW 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 Nick Yonker Meteorology Manager Oregon Department of Forestry 503-945-7451 -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Fri Apr 23 16:25:21 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Fri, 23 Apr 2010 16:25:21 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35C1B10DA@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Friday, April 23, 2010 2:40 PM Nick Yonker 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 Northwesterly flow aloft will direct a weak cold front across southern British Columbia, Washington, and northern Oregon on Saturday. The southern end of the front may be strong enough to bring some showers to the northern zones with onshore surface flow. Smoke dispersion will be good to excellent. OUTLOOK (SUNDAY - TUESDAY) An upper-level ridge moves over Oregon Sunday for dry weather. Surface and transport winds rapidly decrease by Sunday morning...becoming variable and influenced by local terrain. Smoke dispersion will be poor in the early morning but become fair to good Sunday afternoon. The flow aloft turns westerly Monday with a strong cold front forecast to spread rain into the region Monday afternoon and night. Increasing southerly transport winds will make for fair to good smoke dispersion. A cold upper-level trough will bring showers Tuesday with the snow level dropping to 4000 feet Tuesday afternoon. Smoke dispersion should be excellent. 2. DISPERSION SATURDAY Mixing height below 3000 ft early rising above 5000 ft by late morning. Mixing height lowers to 1000 - 2000 ft during the evening. Transport wind WSW to WNW at 15 - 25 mph during the morning and afternoon. Transport wind decreases to W to NW at 5 - 9 mph during the evening. Surface wind WSW to WNW at 8 - 12 mph during the morning. Surface wind increases to W to NW at 10 - 20 mph during the afternoon then decreases to W to NW at 5 - 9 mph during the evening. OUTLOOK: SUNDAY Mixing height below 1000 ft early rising to 3200 - 4200 ft by late morning rising above 5000 ft during the afternoon. Transport wind light and variable during the morning becoming SE to SSW at 8 - 12 mph during the afternoon. Surface wind light and variable during the morning becoming SW to WNW at 5 - 9 mph during the afternoon. MONDAY Mixing height below 1000 ft early rising to 3500 - 4500 ft by late morning and through the afternoon. Transport wind SSE to SSW at 10 - 18 mph. Surface wind SE to S at 6 - 12 mph. TUESDAY Mixing height 2800 - 3800 ft during the morning rising to 4500 - 5000 ft during the afternoon. Transport wind S to SSW at 15 - 29 mph during the morning becoming W to WNW at 15 - 25 mph during the afternoon. Surface wind WSW to WNW at 12 - 22 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, April 24, 2010. ================================================================== Avoid ignitions within 12 miles to the WSW through NW 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 Nick Yonker Meteorology Manager Oregon Department of Forestry 503-945-7451 -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Sat Apr 24 14:25:24 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Sat, 24 Apr 2010 14:25:24 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35C3CE5E2@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Saturday, April 24, 2010 2:40 PM Nick Yonker 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 Upper level trough will move by to the east tonight and give way to a ridge on Sunday. Surface high pressure will build in as well and calm the winds overnight. Air mass stabilizes as warming air moves in aloft. Expect mostly sunny skies and warm temperatures during the afternoon after a frosty morning. With weak wind flow and stabilizing air mass, smoke dispersion will be mostly poor to fair. OUTLOOK (MONDAY - WEDNESDAY): Upper level ridge slips by to the east Monday morning as the next frontal system and major upper level trough move into the state. Cold front will bring rain into the region late Monday afternoon and spread eastward through the evening. Wind flow will increase markedly from the south, bringing greatly improved smoke dispersion. Front will move through on Tuesday morning as a cold, upper level trough settles over the area Tuesday afternoon and Wednesday. Expect plenty of showers and possible thundershowers under the chilly air mass. Air mass destabilizes Monday and remains unstable through the remainder of the period, providing good to excellent smoke dispersion. 2. DISPERSION SUNDAY Mixing height below 1000 ft early rising to 2800 - 3800 ft by late morning. Afternoon mixing height rises above 5000 ft then lowers below 1000 ft during the evening. Transport wind light and variable and controlled by local terrain. Transport wind increases to SSE to SSW at 6 - 10 mph during the evening. Surface wind light and variable and controlled by local terrain. OUTLOOK: MONDAY Mixing height 2700 - 3700 ft during the morning rising above 5000 ft during the afternoon. Transport wind S to SSW at 12 - 24 mph during the morning becoming SSW to SW at 22 - 40 mph during the afternoon. Surface wind S to SSW at 9 - 15 mph during the morning becoming SSW to SW at 14 - 28 mph during the afternoon. TUESDAY Mixing height 2800 - 3800 ft during the morning rising above 5000 ft during the afternoon. Transport wind SW to W at 15 - 30 mph. Surface wind WSW to WNW at 12 - 22 mph. WEDNESDAY Mixing height 4500 - 5000 ft during the morning rising above 5000 ft during the afternoon. Transport wind WSW to WNW at 10 - 20 mph. Surface wind SW to W at 10 - 16 mph during the morning becoming W to NW at 10 - 16 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, April 25, 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. ============================================================== 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 Apr 25 14:46:56 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Sun, 25 Apr 2010 14:46:56 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Oregon Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35C3CE5E8@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Sunday, April 25, 2010 2:40 PM Jim Little 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 MONDAY The upper ridge that brought sunshine to much of the state Sunday moves east and an upper trough rotates into the Pacific Northwest during the day. A surface cold front reaches the coastline during the day. Expect one more dry day before precipitation moves in on Tuesday. Models show strong southerly transport winds and high mixing heights for good smoke dispersal conditions. OUTLOOK (TUESDAY-THURSDAY) The upper trough continues on an axis from south of Kodiak, Alaska to northwestern Nevada on Tuesday. There will be showers during the day. Maximum mixing heights remain generally above 5000 feet for good smoke dispersal conditions. By Wednesday the upper trough splits and a portion moves east. Minor ridging develops aloft, but not enough to end the showers. Maximum mixing heights again climb to over 5000 feet for continued good smoke dispersal conditions. Thursday sees southwesterly flow aloft. A minor disturbance embedded in that flow moves toward the Pacific Northwest but won't reach the area until Thursday. Look for showers Thursday then a renewed surge of moisture on Friday. Thursday and Friday maximum mixing heights will be above 5000 feet. 2. DISPERSION MONDAY Transport wind SSW to SW at 19 - 33 mph during the morning. Transport wind increases to SSW to SW at 24 - 42 mph during the afternoon and increases to SSW to SW at 30 - 50 mph during the evening. Surface wind SSW to SW at 13 - 25 mph. OUTLOOK: TUESDAY Mixing height 2400 - 3400 ft during the morning rising above 5000 ft during the afternoon. Transport wind SSW to SW at 22 - 40 mph during the morning becoming WSW to WNW at 9 - 15 mph during the afternoon. Surface wind SSW to SW at 13 - 25 mph during the morning becoming WSW to WNW at 6 - 10 mph during the afternoon. WEDNESDAY 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. THURSDAY Mixing height 2000 - 3000 ft during the morning rising to 4000 - 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, April 26, 2010. ================================================================== Avoid ignitions within 10 miles to the SSW through SW of 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 Mon Apr 26 16:04:33 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Mon, 26 Apr 2010 16:04:33 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Oregon Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35C3CE7F5@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Monday, April 26, 2010 2:40 PM Jim Little 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 TUESDAY A deep trough extends from the Gulf of Alaska southeastward to Oregon. The cold front that moved into western Oregon Monday sweeps across eastern Oregon bringing rain to the region. The air mass will be quite unstable and maximum mixing heights will go above 5000 feet for good smoke dispersal conditions. OUTLOOK (WEDNESDAY-FRIDAY) Showery weather continues Wednesday across the region. The upper trough weakens but periodic impulses move NNW to SSE across the state to keep showers going into Friday. Maximum mixing heights should reach 5000 feet plus throughout the outlook period for good smoke dispersal conditions. 2. DISPERSION TUESDAY Mixing height 2900 - 3900 ft during the morning. Mixing height rises above 5000 ft during the afternoon and evening. Transport wind SSW to SW at 25 - 43 mph during the morning. Transport wind shifts to W to WNW and decreases to 14 - 28 mph during the afternoon and evening. Surface wind SSW to SW at 16 - 30 mph during the morning. Surface wind shifts to WSW to WNW and decreases to 9 - 15 mph during the afternoon and evening. OUTLOOK: WEDNESDAY Mixing height 3700 - 4700 ft during the morning rising above 5000 ft during the afternoon. Transport wind WSW to W at 14 - 28 mph. Surface wind SW to W at 10 - 18 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. 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, April 27, 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 Tue Apr 27 15:47:37 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Tue, 27 Apr 2010 15:47:37 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Oregon Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35C3CE98D@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Tuesday, April 27, 2010 2:40 PM Jim Little 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 WEDNESDAY A cold upper-level trough will move over Oregon with west-southwesterly flow aloft. Snow levels will drop to between 3500 and 4000 feet with frequent showers. Surface temperatures will be well below normal. The air mass will be quite unstable, and maximum mixing heights will go above 5000 feet for good smoke dispersal conditions. OUTLOOK (THURSDAY-SATURDAY) The strong upper-level trough will slowly progress eastward with the flow aloft becoming northwesterly. The air mass will remain unstable enough for daytime heating to enhance the shower activity Thursday afternoon. The air aloft may warm enough to shut down the shower activity Friday and Saturday, with the upper-level winds turning northerly. Snow levels will start out near 4000 feet on Thursday...rising to between 4000 and 5000 feet Friday and above 5000 feet on Saturday. Maximum mixing heights should reach 5000 feet plus throughout the outlook period for good smoke dispersal conditions. 2. DISPERSION WEDNESDAY Mixing height 2800 - 3800 ft during the morning. Mixing height rises to above 5000 ft during the afternoon then lowers to 2500 - 3500 ft during the evening. Transport wind SW to W at 10 - 20 mph during the morning. Transport wind shifts to WNW to NW at 10 - 22 mph during the afternoon and evening. Surface wind SW to W at 9 - 15 mph during the morning. Surface wind shifts to W to NW at 10 - 18 mph during the afternoon and evening. OUTLOOK: THURSDAY Mixing height 3900 - 4900 ft during the morning rising above 5000 ft during the afternoon. Transport wind W to NW at 16 - 26 mph. Surface wind W to NW at 10 - 16 mph during the morning becoming NW to NNW at 10 - 22 mph during the afternoon. FRIDAY Mixing height 3200 - 4200 ft during the morning rising above 5000 ft during the afternoon. Transport wind WNW to NNW at 9 - 15 mph. Surface wind NW to N at 6 - 10 mph. SATURDAY Mixing height below 1000 ft early rising to 4500 - 5000 ft by late morning rising above 5000 ft during the afternoon. Transport wind NNW to NNE at 9 - 15 mph. Surface wind NNW to NNE at 6 - 10 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 Wednesday, April 28, 2010. ================================================================== Avoid ignitions within 12 miles to the SW through NW of 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 Tue Apr 27 15:49:18 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Tue, 27 Apr 2010 15:49:18 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Oregon Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35C3CE990@WPODFEXCL01.ODF.STATE.OR.US> -------------- next part -------------- An HTML attachment was scrubbed... URL: From smi_south_central at listsmart.osl.state.or.us Tue Apr 27 15:51:45 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Tue, 27 Apr 2010 15:51:45 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Oregon Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35C3CE994@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Tuesday, April 27, 2010 2:30 PM Jim Little 1. DISCUSSION AND FORECAST FOR THE WESTERN OREGON AREA FORECAST ZONES 601-623 WEDNESDAY A cold upper-level trough will move over Oregon with west-southwesterly flow aloft. Snow levels will drop to around 3000 feet with frequent showers. Surface temperatures will be well below normal. The air mass will be quite unstable, and maximum mixing heights will go above 5000 feet for good smoke dispersal conditions. OUTLOOK (THURSDAY-SATURDAY) The strong upper-level trough will slowly progress eastward with the flow aloft becoming northwesterly. The air mass will remain unstable enough for daytime heating to trigger mainly afternoon and evening showers Thursday and Friday. There may be enough warming aloft to shut down the shower activity on Saturday. Snow levels will start out near 3500 feet on Thursday...rising to between 4000 and 5000 feet Friday and above 5000 feet on Saturday. Maximum mixing heights should reach 5000 feet plus throughout the outlook period for good smoke dispersal conditions. 2. DISPERSION Zone 601, 602, 603 and 612 (North Coast Range): MORNING Mixing height 2000 - 3000 ft. Transport wind SW to W at 9 - 15 mph. Surface wind SW to W at 6 - 10 mph. AFTERNOON Mixing height rising above 5000 ft. Transport wind increases to WSW to W at 12 - 24 mph. Surface wind WSW to WNW at 10 - 16 mph. EVENING Mixing height 2100 - 3100 ft. Transport wind WSW to WNW at 10 - 18 mph. Surface wind SW to WNW at 6 - 12 mph. Zone 605-611 (North Cascades): MORNING Mixing height 2200 - 3200 ft. Transport wind SSW to SW at 12 - 24 mph. Surface wind SSW to SW at 8 - 14 mph. AFTERNOON Mixing height rising above 5000 ft. Transport wind SW to W at 10 - 20 mph. Surface wind SW to W at 8 - 14 mph. EVENING Mixing height 2300 - 3300 ft. Transport wind SW to W at 8 - 14 mph. Surface wind similar to afternoon. Zone 615-620 (South Coast Range): MORNING Mixing height 1800 - 2800 ft. Transport wind WSW to WNW at 9 - 15 mph. Surface wind WSW to WNW at 8 - 12 mph. AFTERNOON Mixing height rising above 5000 ft. Transport wind similar to morning. Surface wind WSW to WNW at 8 - 12 mph. EVENING Mixing height 2800 - 3800 ft. Transport wind similar to afternoon. Surface wind WSW to WNW at 5 - 9 mph. Zone 616-623 (South Cascades): MORNING Mixing height 1400 - 2400 ft. Transport wind SW to WSW at 9 - 15 mph. Surface wind SSW to W at 4 - 8 mph. AFTERNOON Mixing height rising above 5000 ft. Transport wind WSW to WNW at 9 - 15 mph. Surface wind WSW to WNW at 6 - 10 mph. EVENING Mixing height 1700 - 2700 ft. Transport wind similar to afternoon. Surface wind similar to afternoon. OUTLOOK: THURSDAY Mixing height 2500 to 3500 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 - 12 mph during the morning becoming W to NW at 10 - 18 mph during the afternoon. FRIDAY Mixing height 2000 to 3000 ft during the morning rising above 5000 ft during the afternoon. Transport wind WSW to WNW at 8 - 14 mph during the morning becoming WNW to NNW at 10 - 18 mph during the afternoon. Surface wind WSW to WNW at 4 - 8 mph. SATURDAY Mixing height below 1000 ft early rising to 2400 to 3400 ft by late morning rising to 4100 to 5000 ft during the afternoon. Transport wind NW to NNW at 10 - 18 mph. Surface wind NW to N at 6 - 10 mph. 3. BURNING INSTRUCTIONS FOR ALL ZONES IN THE WESTERN OREGON AREA These instructions are valid for burning conducted on Wednesday, April 28, 2010. ================================================================= Coast Range Zone 601 and 612 Units should be 1000 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs. Restrict units in or near corridors to 500 tons or less. 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.) Avoid burning in or near corridors. 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 610 and 611 Use standard guidance matrix. (See section 5 below.) Ensure adequate distance from downwind SSRAs for smoke to dissipate. From T15S through T20S in Zone 608 units should be 1000 tons or less, spaced 5 miles apart. Zone 610 and 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 Apr 28 14:34:33 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Wed, 28 Apr 2010 14:34:33 -0700 Subject: SMI South Central (Smoke Management Instructions) Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35C3CEB38@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Wednesday, April 28, 2010 2:40 PM Jim Little 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 THURSDAY A cold upper-level trough will shift eastward, to over the northern Rockies, with a northwesterly flow aloft over Oregon. Snow levels will start out near 2500 feet in the morning and rise to around 3500 feet in the afternoon. The air mass will still be somewhat unstable with daytime heating increasing shower activity in the afternoon. Precipitation will be enhanced on west-facing slopes. Maximum mixing heights will rise above 5000 feet for good to excellent smoke dispersal conditions. Surface temperatures will be well below normal. OUTLOOK (FRIDAY-SUNDAY) The strong upper-level trough will continue to shift eastward with the flow aloft over Oregon becoming progressively drier and more northerly. The air mass will remain unstable enough for daytime heating to maintain a few showers on Friday with good to excellent smoke dispersion. Skies will begin clearing Saturday and Sunday with only a slight chance of an afternoon shower. Chilly overnights will make for low early morning mixing heights, but afternoon smoke dispersion should be fair to good on Saturday and fair on Sunday. The snow level will rise from 4000 feet, on Friday, to 6000 feet by Sunday. 2. DISPERSION THURSDAY Mixing height 4300 - 5000 ft during the morning. Mixing height rises to above 5000 ft during the afternoon then lowers to 3500 - 4500 ft during the evening. Transport wind W to NW at 10 - 20 mph during the morning. Transport wind increases to NW to NNW at 14 - 28 mph during the afternoon and increases to NW to NNW at 18 - 32 mph during the evening. Surface wind W to NW at 9 - 15 mph during the morning. Surface wind increases to NW to NNW at 10 - 22 mph during the afternoon and evening. OUTLOOK: FRIDAY Mixing height 3200 - 4200 ft during the morning rising above 5000 ft during the afternoon. Transport wind NNW to N at 12 - 24 mph. Surface wind NW to N at 9 - 15 mph during the morning becoming NNW to N at 12 - 22 mph during the afternoon. SATURDAY Mixing height below 1000 ft early rising to 3500 - 4500 ft by late morning rising above 5000 ft during the afternoon. Transport wind NW to NNE at 6 - 10 mph during the morning becoming NW to N at 10 - 16 mph during the afternoon. Surface wind NNW to NNE at 4 - 8 mph. SUNDAY Mixing height below 1000 ft early rising to 3000 - 4000 ft by late morning rising to 4000 - 5000 ft during the afternoon. Transport wind NW to N at 10 - 18 mph. Surface wind NNW to NNE at 6 - 10 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, April 29, 2010. ================================================================== Avoid ignitions within 10 miles to the W through NNW of SSRAs. For units that will smolder significantly through the night avoid burning within at least 10 miles to the W through N 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 From smi_south_central at listsmart.osl.state.or.us Thu Apr 29 14:46:14 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Thu, 29 Apr 2010 14:46:14 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Smoke Management Instructions Message-ID: <4760A18CB757334187232E31CF73B3C35C1B10F6@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Thursday, April 29, 2010 2:40 PM Pete Parsons 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 FRIDAY A strong northwesterly flow aloft will begin to dry things out. After a few morning rain and snow showers, the air mass should stabilize enough for just partly cloudy conditions in the afternoon. Brisk northwesterly winds and below normal surface temperatures will continue. Snow levels will start out near 3500 feet and rise to around 5000 feet in the afternoon. Maximum mixing heights will rise above 5000 feet for good afternoon smoke dispersal conditions OUTLOOK (SATURDAY-MONDAY) An upper-level ridge will build closer to the coastline Saturday and Sunday. Skies will be partly cloudy with slowly weakening northwesterly flow aloft and onshore flow at the surface. Early morning mixing will marginal Saturday and poor on Sunday, but daytime heating should good afternoon smoke dispersion both days. The freezing level will slowly rise to about 8000 feet, by Sunday, with surface temperatures recovering to near normal. Another strong cold front is forecast to bring an increasing onshore flow Monday, with a chance of showers by Monday evening. 2. DISPERSION FRIDAY Mixing height 3500 - 4500 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 NNW to NNE at 10 - 20 mph. Surface wind NNW to NNE at 9 - 15 mph during the morning and afternoon. Surface wind decreases to NW to NNE at 5 - 9 mph during the evening. OUTLOOK: SATURDAY Mixing height below 1000 ft early rising to 3600 - 4600 ft by late morning rising above 5000 ft during the afternoon. Transport wind WNW to NW at 12 - 22 mph during the morning becoming NW to N at 18 - 30 mph during the afternoon. Surface wind WNW to NNW at 8 - 14 mph during the morning becoming NW to N at 15 - 25 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 NW to N at 9 - 15 mph. Surface wind NNW to NNE at 6 - 10 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 WSW to WNW at 9 - 15 mph during the morning becoming WSW to WNW at 15 - 25 mph during the afternoon. Surface wind WSW to WNW at 6 - 10 mph during the morning becoming WSW to WNW at 10 - 20 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, April 30, 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 15 miles to the W 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 Apr 30 14:49:07 2010 From: smi_south_central at listsmart.osl.state.or.us (ODF Smoke Management Instructions) Date: Fri, 30 Apr 2010 14:49:07 -0700 Subject: SMI South Central (Smoke Management Instructions) South Central Oregon Smoke Management Forecast and Instruction Message-ID: <4760A18CB757334187232E31CF73B3C35DA43282@WPODFEXCL01.ODF.STATE.OR.US> SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS SALEM FORESTRY WEATHER CENTER OREGON DEPARTMENT OF FORESTRY ISSUED: Friday, April 30, 2010 2:40 PM Pete Parsons 1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625 SATURDAY A strong northwesterly flow aloft will direct another cool weather system across Washington and Oregon. A few mountain showers are possible with continued cool temperatures. Smoke dispersal will remain good with strong onshore flow. OUTLOOK (SUNDAY-TUESDAY) The main jet stream will finally lift north and east, on Sunday, with a weak and transitory upper-level ridge moving over the region. Dry weather is expected with transport winds becoming more northerly. Stabilizing of the air mass may lead to lower early morning mixing heights, but afternoon smoke dispersion will remain good with surface temperatures recovering closer to normal. A cold front is forecast bring increasing clouds and onshore flow on Monday. Showers are likely by Monday evening with the snow level rapidly dropping below 4000 feet Monday night. Tuesday looks very cool and unstable with numerous showers and a chance of afternoon thunderstorms. Smoke dispersal should be good both days, but temperatures will be unseasonably cool with brisk northwesterly winds. The snow level could drop below 3000 feet on Tuesday. 2. DISPERSION SATURDAY Mixing height 3500 - 4500 ft during the morning. Mixing height rises to above 5000 ft during the afternoon then lowers to 2500 - 3500 ft during the evening. Transport wind WNW to NW at 13 - 25 mph during the morning. Transport wind increases to NW to NNW at 22 - 38 mph during the afternoon then decreases to NW to NNW at 18 - 32 mph during the evening. Surface wind WNW to NNW at 10 - 20 mph during the morning. Surface wind increases to NW to NNW at 16 - 30 mph during the afternoon and evening. OUTLOOK: 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 NE at 6 - 10 mph during the morning becoming WNW to NNW at 10 - 18 mph during the afternoon. Surface wind NNW to NNE at 6 - 10 mph during the morning becoming NW to NNW at 10 - 16 mph during the afternoon. MONDAY Mixing height below 1000 ft early rising to 3500 - 4500 ft by late morning rising above 5000 ft during the afternoon. Transport wind WSW to WNW at 12 - 24 mph during the morning becoming WNW to NW at 20 - 34 mph during the afternoon. Surface wind W to NW at 9 - 15 mph during the morning becoming WNW to NW at 12 - 22 mph during the afternoon. TUESDAY Mixing height 2800 - 3800 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. 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 1, 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: