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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: Monday, April 18, 2011 2:30 PM Jim Little<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=MsoPlainText><span style='font-family:"Courier New"'> TUESDAY<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText style='margin-left:.5in'><span style='font-family:"Courier New"'>Upper level flow will be light west-northwesterly over the region on Tuesday with an upper level jet lying across the southern half of the state. Moisture is limited but the air mass remains cold for this time of year. This will produce high maximum mixing heights and good smoke dispersal conditions. <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 (WEDNESDAY - FRIDAY)<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText style='margin-left:.5in'><span style='font-family:"Courier New"'>The upper level jet slips south by Wednesday keeping cool conditions aloft over the region. Mixing heights will remain high for good smoke dispersal conditions. A weak disturbance in the upper flow will produce precipitation with the snow level down to around 3000 feet in the north to 4000 feet in the south. Transport winds will be mostly northwesterly except light and variable in the south. <o:p></o:p></span></p><p class=MsoPlainText style='margin-left:.5in'><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText style='margin-left:.5in'><span style='font-family:"Courier New"'>By Thursday an upper level disturbance swings in from the northwest and phases with a weak disturbance coming across the Pacific to carve out a trough over the Pacific Northwest. This will produce light precipitation most areas. The cool air mass will mean snow at higher elevations but also good smoke dispersal conditions. On Friday expect weak ridging aloft for dry weather but light and variable transport winds. A thermal trough develops in California and extends northward to off the Oregon coast for offshore flow many areas west of the 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"'>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 4000 - 5000 ft.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind light and variable.<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 above 5000 ft.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind increases to N to NE at 8 - 12 mph.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Surface wind increases to N 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 remains above 5000 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 NNW to NE 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 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 3700 - 4700 ft.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind NW to NNE at 4 - 8 mph.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Surface wind NW to NNE 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 above 5000 ft.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind NNW to NE at 6 - 12 mph.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Surface wind N 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 1400 - 2400 ft.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind NNE to NE at 8 - 12 mph.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Surface wind N to NE 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"'>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 4000 - 5000 ft.<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 9 - 15 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 above 5000 ft.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind increases to N to NE at 6 - 12 mph.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Surface wind N 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 3500 - 4500 ft.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind NNW to NNE at 8 - 12 mph.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Surface wind NNW to NNE 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"'>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 3800 - 4800 ft.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind light and variable.<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 above 5000 ft.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind increases to W to NNW at 4 - 8 mph.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Surface wind increases to WNW to NNW 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"'>EVENING<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Mixing height lowers below 1000 ft.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Transport wind NW to N 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 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"'>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"'>WEDNESDAY<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Mixing height below 1000 ft early rising to 1600 to 2600 ft by late morning rising to 4300 to 5000 ft during the afternoon. In the Coast Range transport wind NNW to NNE at 5 - 9 mph during the morning becoming NW to NNW at 10 - 22 mph during the afternoon. In the Cascades transport wind WSW to WNW at 4 - 8 mph. Surface wind light and variable during the morning becoming WNW to NNW 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"'>THURSDAY<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Mixing height below 1000 ft early rising to 3200 to 4200 ft by late morning rising to 4400 to 5000 ft during the afternoon. Transport wind light and variable during the morning becoming NW to N 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"'>FRIDAY<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Mixing height below 1000 ft early rising to 1800 to 2800 ft by late morning rising to 3800 to 4800 ft during the afternoon. Transport wind light and variable. 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"'>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 Tuesday, April 19, 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, 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 5 miles apart, and 10 miles from downwind SSRAs. Verify transport winds away from SSRA if burning within 10 miles of the SSRA in Zone 605 and 606. Higher tonnage is possible south of T20S in Zone 606. Call the forecaster. East of R2W in Zone 622, 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"'>Zone 607 and 608<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Units should be 2000 tons or less, spaced 5 miles apart, and 10 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, 611, 616, 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.<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 620<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.<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"'>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>