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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>ISSUED: Tuesday, December 8, 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; ">Wednesday will see continued cold, dry, northerly flow aloft. A surface high pressure area over northern Idaho will give light southeasterly winds to the region. Weather will remain dry. Low mixing heights will mean poor
smoke dispersal conditions. </div>
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<div> OUTLOOK (THURSDAY-SATURDAY)</div>
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<div style="padding-left: 36pt; ">Upper flow becomes slightly more northwesterly and the surface high pressure area moves to southeast Wyoming on Thursday. Low level flow will become southerly and low mixing heights will continue poor smoke dispersal conditions.
On Friday upper flow continues to back and becomes west to northwest over the area. Mixing heights will remain quite low. On Saturday an upper trough will move into northern California and spread moisture northward. This will start out as snow then change
to rain. Mixing heights will rise to near 3000 feet. </div>
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<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 1000 - 2000 ft then lowers below 1000 ft during the evening.</div>
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<div>Transport wind light and variable and controlled by local terrain during the morning. Transport wind increases to SW to W at 8 - 12 mph during the afternoon then becomes light and variable during the evening.</div>
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<div>Surface wind light and variable and controlled by local terrain.</div>
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<div>OUTLOOK:</div>
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<div>THURSDAY</div>
<div>Mixing height below 1000 ft during the morning rising to 1000 - 1700 ft during the afternoon. Transport wind SW to W at 6 - 10 mph. Surface wind light and variable.</div>
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<div>FRIDAY</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>
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<div>SATURDAY</div>
<div>Mixing height below 1000 ft early rising to 1000 - 2000 ft by late morning rising to 2500 - 3500 ft during the afternoon. Transport wind light and variable. Surface wind light and variable.</div>
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<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 9, 2009.</div>
<div style="padding-left: 36pt; ">==================================================================</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">Unfavorable burning situation due to very poor smoke dispersion. Delay ignitions until 11:00am. Avoid ignitions within 20 miles to the SW through NNE of SSRAs. For units that will smolder significantly through the night
avoid burning within at least 35 miles to the SSW through NNE in or near drainages leading to SSRAs. Recommend against burning units that will smolder significantly overnight. Complete ignitions by 3:00am. </div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">==============================================================</div>
<div>4. SPECIAL NOTE:</div>
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<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>
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<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>
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<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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