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<div>SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS</div>
<div>SALEM FORESTRY WEATHER CENTER</div>
<div>OREGON DEPARTMENT OF FORESTRY</div>
<div> </div>
<div>NOTE: Fall season smoke management forecasts and instructions will end for 2009 with the forecast issued tomorrow, December 23d. A forecaster will remain available weekdays for consultation throughout the winter. Regular, daily forecasts will begin
again in the spring when burning activity increases. </div>
<div> </div>
<div>ISSUED: Tuesday, December 22, 2009 2:40 PM Jim Little</div>
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<div>1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625</div>
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<div style="padding-left: 36pt; "> ** Dry and Stable Period Next Few Days **</div>
<div style="padding-left: 36pt; ">** Unfavorable Smoke Dispersal Conditions **</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">Pacific Northwest Weather will be dominated by an upper ridge through the end of the week. On Wednesday the axis of this ridge will be about 200 miles west of the coastline and will essentially remain stationary throughout
the day. At the surface highest pressures will be over southern British Columbia. This will give light north to northeast winds to most areas. Mixing heights will remain below 2000 feet for poor smoke dispersal conditions.</div>
<div> </div>
<div> OUTLOOK (THURSDAY-SATURDAY)</div>
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<div style="padding-left: 36pt; ">The upper ridge continues its slow eastward movement. On Thursday it is just off the coast and on Friday the ridge axis finally moves over Oregon and Washington. The ridge pattern starts to slowly break down on Saturday with
only a marginal improvement in smoke dispersal conditions. </div>
<div> </div>
<div>2. DISPERSION</div>
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<div>WEDNESDAY</div>
<div>Mixing height below 1000 ft during the morning. Afternoon mixing height rises to 1200 - 2200 ft then lowers below 1000 ft during the evening.</div>
<div> </div>
<div>Transport wind light and variable and controlled by local terrain during the morning. Transport wind increases to NNW to NE at 4 - 8 mph during the afternoon and evening.</div>
<div> </div>
<div>Surface wind light and variable and controlled by local terrain.</div>
<div> </div>
<div>OUTLOOK:</div>
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<div>THURSDAY</div>
<div>Mixing height below 1000 ft during the morning rising to 1000 - 1600 ft during the afternoon. Transport wind light and variable. Surface wind light and variable.</div>
<div> </div>
<div>FRIDAY</div>
<div>Mixing height below 1000 ft throughout the day. Transport wind light and variable. Surface wind light and variable.</div>
<div> </div>
<div>SATURDAY</div>
<div>Mixing height below 1000 ft during the morning rising to 1000 - 2000 ft during the afternoon. Transport wind light and variable. Surface wind light and variable.</div>
<div> </div>
<div>3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER</div>
<div> RANGE PORTION OF ZONE 624</div>
<div style="padding-left: 36pt; ">This instruction is valid for burning conducted on Wednesday, December 23, 2009.</div>
<div style="padding-left: 36pt; ">==================================================================</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">Avoid ignitions within 15 miles to the WNW through NNE of SSRAs. For units that will smolder significantly through the night avoid burning within at least 30 miles to the WNW through NE in or near drainages leading to SSRAs.
Recommend against burning units that will smolder significantly overnight. Complete ignitions by 3:00pm. </div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">==============================================================</div>
<div>4. SPECIAL NOTE:</div>
<div> </div>
<div> The smoke management forecaster is available at (503)</div>
<div> 945-7401. The smoke management forecaster is available </div>
<div> to discuss specific burns. The duty forecaster phone </div>
<div> number is (503) 945-7401. Please call this number and </div>
<div> not individual's numbers to discuss daily burning. Please</div>
<div> avoid calling before 8 a.m. and between 2 to 3 p.m. </div>
<div> </div>
<div> This forecast is available on the Internet at: </div>
<div> <a href="http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management"><font color="#0000FF"><u>http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management</u></font></a> </div>
<div> </div>
<div> Please ensure your units have been planned and accomplished by checking: </div>
<div> <a href="http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml"><font color="#0000FF"><u>http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml</u></font></a> </div>
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