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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoPlainText><span style='font-family:"Courier New"'>SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>SALEM FORESTRY WEATHER CENTER<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>OREGON DEPARTMENT OF FORESTRY<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>ISSUED: Thursday, April 21, 2011 2:30 PM Pete Parsons<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>1. DISCUSSION AND FORECAST FOR THE WESTERN OREGON AREA FORECAST ZONES 601-623<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>FRIDAY<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'>A weak upper-level ridge of high pressure is forecast to bring generally dry and warmer conditions. After a cold start, partly to mostly sunny skies should warm afternoon surface temperatures close to normal. The freezing level will only rise to about 6000 feet north and 7000 feet south, so afternoon heating will provide good mixing. Transport winds will turn offshore. A very weak disturbance, in a westerly jet stream directed at California, may increase clouds over the extreme southern zones late in the day.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>OUTLOOK (SATURDAY-MONDAY)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'> <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'>The upper-level ridge now appears as if it will remain strong enough to bring another generally dry day on Saturday. However, a weak weather system will move across northern California and bring a slight chance of showers to the southern-most zones. Mostly sunny skies will help temperatures climb to above normal across the northern zones, but more cloudiness will hold temperatures to near normal across the southern zones. Daytime mixing will be good. Look for transport winds to turn back onshore in the afternoon, as the upper-level ridge axis slides east of the region.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'>As the upper-level ridge continues to weaken and shift eastward, a strengthening westerly jet stream will drive a weak cold front across western Oregon Easter Sunday morning. Precipitation from this system could locally exceed .25 inches, especially over higher terrain. The snow level will drop to 4000 feet north and 5000 feet south. Mixing should be good with increasing southwesterly transport winds.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'>A stronger cold front is forecast to come onshore Sunday night and early Monday. This system will bring more significant precipitation to all of western Oregon, with the snow level dropping to 3000 feet north and 4000 feet south. Mixing should be good with brisk southwesterly surface and transport winds.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>2. DISPERSION<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Zone 601, 602, 603 and 612 (North Coast Range):<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>MORNING<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Mixing height below 1500 ft early rising to 3000 - 4000 ft by late morning.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind NNE to ENE at 9 - 15 mph.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Surface wind NNE to ENE at 5 - 9 mph.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>AFTERNOON<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Mixing height rising above 5000 ft.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind similar to morning.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Surface wind NNE to NE at 8 - 12 mph.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>EVENING<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Mixing height lowers below 2000 ft after sunset.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind similar to afternoon.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Surface wind similar to afternoon.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Zone 605-611 (North Cascades):<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>MORNING<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Mixing height below 1500 ft early rising to 3000 - 4000 ft by late morning.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind NNE to ENE at 5 - 9 mph.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Surface wind light and variable but favors NE and controlled by local terrain.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>AFTERNOON<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Mixing height rising above 5000 ft.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind N to NE at 6 - 12 mph.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Surface wind similar to morning.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>EVENING<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Mixing height lowers below 2000 ft after sunset.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind NE to E at 8 - 12 mph.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Surface wind increases to NE to E at 4 - 8 mph.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Zone 615-620 (South Coast Range):<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>MORNING<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Mixing height below 1500 ft early rising to 3000 - 4000 ft by late morning.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind ENE to E at 8 - 12 mph.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Surface wind NE to E at 4 - 8 mph.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>AFTERNOON<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Mixing height rising above 5000 ft.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind shifts to N to NE at 4 - 8 mph.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Surface wind becomes light and variable but favors N to NE and controlled by local terrain.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>EVENING<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Mixing height lowers below 1500 ft after sunset.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind NNW to NE at 4 - 8 mph.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Surface wind similar to afternoon.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Zone 616-623 (South Cascades):<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>MORNING<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Mixing height below 1000 ft early rising to 3000 - 4000 ft by late morning.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind E to SE at 4 - 8 mph.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Surface wind light and variable and controlled by local terrain.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>AFTERNOON<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Mixing height rising above 5000 ft.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind becomes light and variable and controlled by local terrain.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Surface wind similar to morning.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>EVENING<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Mixing height lowers below 1500 ft after sunset.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind similar to afternoon.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Surface wind similar to afternoon.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>OUTLOOK:<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>SATURDAY<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>In the north mixing height below 1000 ft early rising to 1700 to 2700 ft by late morning rising above 5000 ft during the afternoon. In the south mixing height below 1000 ft early rising to 3000 to 4000 ft by late morning rising above 5000 ft during the afternoon. Transport wind ESE to SSE at 4 - 8 mph during the morning becoming WSW to NW at 4 - 8 mph during the afternoon. Surface wind light and variable.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>SUNDAY<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Mixing height 2100 to 3100 ft during the morning rising above 5000 ft during the afternoon. Transport wind SSW to SW at 9 - 15 mph. Surface wind S to SW at 4 - 8 mph during the morning becoming SSW to WSW at 4 - 8 mph during the afternoon.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>MONDAY<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Mixing height 3800 to 4800 ft during the morning rising above 5000 ft during the afternoon. Transport wind SSW to SW at 20 - 34 mph. Surface wind SSW to SW at 12 - 22 mph.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>3. BURNING INSTRUCTIONS FOR ALL ZONES IN THE WESTERN OREGON AREA<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>These instructions are valid for burning conducted on Friday, April 22, 2011.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>=================================================================<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Coast Range<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>All Zones<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Use standard guidance matrix. (See section 5 below.) Ensure adequate distance from downwind SSRAs for smoke to dissipate.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Cascades<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Zone 605, 606, 620, and 622<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Units should be 500 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs. Higher tonnage is possible south of T20S in Zone 606. Call the forecaster.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Zone 607, 608, and 616<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Units should be 1000 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs. South of T30S in Zone 616 units should be 500 tons or less, spaced 5 miles apart.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Zone 609, 610, 611, 617, and 623<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Use standard guidance matrix. (See section 5 below.) Ensure adequate distance from downwind SSRAs for smoke to dissipate. South of T30S in Zone 617 units should be 750 tons or less, spaced 5 miles apart.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Siskiyous<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Use standard guidance matrix. (See section 5 below.)<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>==============================================================<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>4. SPECIAL NOTE:<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> Call the smoke management duty forecaster at (503) 945-7401 to<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> discuss burning. Please do not call individual's numbers to <o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> discuss daily burning. If the forecaster is not available, <o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> leave a message and he will return your call as soon as possible.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> Avoid calling between 2 to 2:30 p.m. <o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> The forecast is available on the Internet at: <o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management <o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> Please ensure your units have been planned and accomplished by checking: <o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml <o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>5. STANDARD GUIDANCE MATRIX:<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> * Greater than 5000 ft mixing height: No burning within 5 miles of <o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> downwind SSRA. Maximum 100 tons per mile from downwind SSRA. <o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> Example: 500 ton maximum allowed if burned 5 miles from downwind SSRA.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> * 3000 - 5000 ft mixing height: No burning within 10 miles of <o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> downwind SSRA. Maximum 75 tons per mile from downwind SSRA. <o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> Example: 750 ton maximum allowed if burned 10 miles from downwind SSRA.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> * Less than 3000 ft mixing height: No burning within 15 miles of <o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> downwind SSRA. Maximum 50 tons per mile from downwind SSRA. <o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> Example: 750 ton maximum allowed if burned 15 miles from downwind SSRA.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> * All exceptions must be coordinated with the duty forecaster <o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> prior to ignition.<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>