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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, May 5, 2011 2:40 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 SOUTH CENTRAL OREGON ZONES 624 AND 625<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-family:"Courier New"'>FRIDAY<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText style='line-height:115%'><span style='font-size:11.0pt;line-height:115%;font-family:"Courier New"'>A strengthening westerly jet stream will push another weather system onshore late in the day. Clouds will be increasing, with a slight chance of light showers, mainly north, by the late afternoon. Ahead of the cold front, temperatures should remain a few degrees above normal. Smoke dispersal conditions will be fair to good with mostly westerly transport winds.<o:p></o:p></span></p><p class=MsoPlainText style='line-height:115%'><span style='font-size:11.0pt;line-height:115%;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'>OUTLOOK (SATURDAY-MONDAY)<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> <o:p></o:p></span></p><p class=MsoPlainText style='line-height:115%'><span style='font-size:11.0pt;line-height:115%;font-family:"Courier New"'>In the wake of the cold front, an impressive upper-level trough is forecast to come onshore Saturday. Expect mostly cloudy skies with a chance of showers. Temperatures will drop back to near or slightly below normal. With cooling aloft, look for good afternoon mixing with brisk west-southwesterly transport winds.<o:p></o:p></span></p><p class=MsoPlainText style='line-height:115%'><span style='font-size:11.0pt;line-height:115%;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoPlainText style='line-height:115%'><span style='font-size:11.0pt;line-height:115%;font-family:"Courier New"'>By Sunday, another unseasonably cold upper-level trough will make camp over the Pacific Northwest. Rain and snow showers will be numerous with precipitation totals near .10 inches. Surface temperatures will be around 10 degrees below normal, but cold air aloft will continue to produce good afternoon mixing. Transport winds will veer to northwesterly. The snow level will drop to near the valley floors Sunday night, with showers beginning to taper off.<o:p></o:p></span></p><p class=MsoPlainText style='line-height:115%'><span style='font-size:11.0pt;line-height:115%;font-family:"Courier New"'> <o:p></o:p></span></p><p class=MsoPlainText style='line-height:115%'><span style='font-size:11.0pt;line-height:115%;font-family:"Courier New"'>On Monday, the upper-level trough is forecast to drop southeastward, to over Nevada, with a drier northerly flow aloft developing over Oregon. Skies will begin to clear, with brisk northerly transport winds. Surface temperatures will remain below normal, but the air aloft will stay cool enough for good afternoon mixing.<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"'>FRIDAY<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. Afternoon mixing height rises to 3700 - 4700 ft then lowers to 1500 - 2500 ft during the evening.<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"'>Transport wind WSW to WNW at 9 - 15 mph during the morning. Transport wind increases to WSW to WNW at 15 - 25 mph during the afternoon and evening.<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"'>Surface wind SW to WNW 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"'>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"'>Mixing height below 1000 ft early rising to 4000 - 5000 ft by late morning rising above 5000 ft during the afternoon. Transport wind WSW to WNW at 8 - 14 mph during the morning becoming WSW to W at 15 - 29 mph during the afternoon. Surface wind light and variable during the morning becoming WSW to WNW at 10 - 16 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"'>SUNDAY<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>Mixing height 2200 - 3200 ft during the morning rising above 5000 ft during the afternoon. Transport wind W to NW at 10 - 20 mph during the morning becoming NW to NNW at 15 - 25 mph during the afternoon. Surface wind W to NW at 6 - 10 mph during the morning becoming WNW to NNW at 10 - 20 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 below 1000 ft early rising to 3500 - 4500 ft by late morning rising above 5000 ft during the afternoon. Transport wind NNW to NNE at 15 - 25 mph. Surface wind NNW to NNE at 10 - 16 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 ZONES 624 AND 625 INCLUDING THE WALKER<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> RANGE PORTION OF ZONE 624<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'>This instruction is valid for burning conducted on Friday, May 6, 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"'>Avoid ignitions within 15 miles to the WSW through WNW of SSRAs. For units that will smolder significantly through the night avoid burning within at least 30 miles to the WSW through WNW in or near drainages leading to 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"'> The smoke management forecaster is available at (503)<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> 945-7401. The smoke management forecaster is available <o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> to discuss specific burns. The duty forecaster phone <o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> number is (503) 945-7401. Please call this number and <o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> not individual's numbers to discuss daily burning. Please<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Courier New"'> avoid calling before 8 a.m. and between 2 to 3 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"'> This 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=MsoNormal><o:p> </o:p></p></div></body></html>