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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: Wednesday, December 15, 2010 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"'>Note: With the wind-down in fall burning, this office will terminate the daily forecasts and instructions until the spring burning season begins. Please coordinate with the weather forecast office, if you plan to do burning, while this product is not being issued. As always, if you need forecaster assistance, or smoke clearance, please call the forecaster line at 503-945-7401 Monday through Friday from 7:30 a.m. until 5:00 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"'>1. DISCUSSION AND FORECAST FOR THE WESTERN OREGON AREA FORECAST ZONES<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> 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"'>THURSDAY<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>A weak and transitory upper-level ridge will slide across Oregon during the day. Slight warming aloft will stabilize the atmosphere with only a slight chance of showers, mainly over the mountains. The snow level will lift to 2500 feet north and 3500 feet south in the afternoon. Afternoon smoke dispersal conditions will be marginal to fair with transport winds backing to the SSE.<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-size:10.0pt;font-family:"Courier New"'>OUTLOOK (FRIDAY-SUNDAY)<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-size:10.0pt;font-family:"Courier New"'>The upper-level ridge is forecast to stall over eastern Oregon and western Idaho on Friday, as a strong upper-level trough develops about 1000 miles west of the Washington and Oregon coast. Increasing low-level offshore flow will help delay the onset of moisture from a strengthening westerly flow aloft. Smoke dispersal conditions will remain marginal to fair. A strong frontal system will spread rain and mountain snow back across the region by Friday night with snow levels ranging from near 1500 feet north to around 3000 feet south.<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-size:10.0pt;font-family:"Courier New"'>A strong cold is forecast to bring rain, mountain snow, and brisk winds to much of western Oregon Saturday morning. Transport winds should become mostly southerly by Saturday afternoon with a strong west-southwesterly jet stream directing vigorous showers, and possibly thunderstorms, onshore. Snow levels will range from near 2500 feet north to 4000 feet south. Smoke dispersal conditions should be fair to good.<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-size:10.0pt;font-family:"Courier New"'>By Sunday, the parent upper-level though is forecast to progress eastward, to about 600 miles off the coastline, and continue to circulate abundant moisture across Oregon. A strong southwesterly jet stream, extending from the southern Oregon coast to over central Idaho, will slowly sag southward, to over northern California. That will put Oregon on the cold side of the jet stream, with snow levels dropping to 1500 feet north and 2500 feet south by Sunday evening. Smoke dispersal conditions should remain fair to good with mostly south to southwesterly transport winds.<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=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 601-612 (North Coast Range and 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 1000 - 2000 ft.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind SE to S 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 SE 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 to 2300 - 3300 ft.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind SE to S at 8 - 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 1000 - 2000 ft.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind E to SE at 5 - 9 mph.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Surface wind increases to ENE to ESE 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 1000 ft.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind light and variable but favors SE to S and controlled by local terrain.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Surface wind light and variable but favors SE 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 to 2800 - 3800 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 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 1000 - 2000 ft.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind SE to SSW 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.<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 E to SE 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 to 2700 - 3700 ft.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind SE to S 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 SE 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 1000 - 2000 ft.<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"'>FRIDAY<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Mixing height below 1000 ft early rising to 1700 to 2700 ft by late morning rising to 2300 to 3300 ft during the afternoon. Transport wind ESE to SSE at 6 - 12 mph. Surface wind E to SE 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"'>SATURDAY<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Mixing height 2600 to 3600 ft during the morning rising to 3500 to 4500 ft during the afternoon. Transport wind S to SW at 12 - 24 mph. Surface wind SE to SSW at 6 - 10 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"'>SUNDAY<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Mixing height 2000 to 3000 ft during the morning rising to 3500 to 4500 ft during the afternoon. Transport wind S to SW at 15 - 25 mph. Surface wind SE to SSW at 6 - 10 mph during the morning becoming S to SW at 8 - 12 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"'>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 Thursday, December 16, 2010.<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"'>Zone 601, 602, 603, 612, 615, 618, 619, and 620<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Use standard guidance matrix. (See section 5 below.) Avoid burning directly upwind of coastal SSRAs.<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 west of R8W<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Units should be 1500 tons or less, spaced 10 miles apart, and 12 miles from downwind SSRAs. Higher tonnage is possible south of T29S. 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 616 east of R9W<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Units should be 750 tons or less, spaced 10 miles apart, and 12 miles from downwind SSRAs. Higher tonnage is possible south of T29S. 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"'><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 and 606<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Units should be 300 tons or less, spaced 10 miles apart, and 12 miles from downwind SSRAs.<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, 617, 620, and 622<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Units should be 1000 tons or less, spaced 10 miles apart, and 12 miles from downwind SSRAs.<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, 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.<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 611 and 616<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Units should be 750 tons or less, spaced 10 miles apart, and 12 miles from downwind SSRAs. In zone 616 avoid ignitions north of T24S. South of T29S higher tonnage is possible. 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"'><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"'>Units should be 750 tons or less, spaced 10 miles apart, and 12 miles from downwind SSRAs.<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>