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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: Wednesday, May 27, 2009 2:40 PM Jim Little</div>
<div> </div>
<div>1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625</div>
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<div style="padding-left: 36pt; ">A strong upper ridge sets up over the Great Basin on Thursday. Clockwise flow around the low gives Oregon a south to southwest flow aloft. This could bring up some high level moisture from the south for a chance of afternoon
or evening mountain thunderstorms. Transport winds will be southerly changing to westerly. Mixing heights remain high for good smoke dispersal conditions.</div>
<div style="padding-left: 36pt; "> </div>
<div> OUTLOOK (FRIDAY-SUNDAY)</div>
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<div style="padding-left: 36pt; ">Temperatures will remain above average across the state through the outlook period. The upper ridge strengthens Friday. The chance for afternoon or evening mountain thunderstorms continues. Mixing heights should be above
5000 feet. Transport winds Friday will be southwest through northwest. The upper ridge gets flattened by a weather system moving across northern British Columbia. However, sunny, warm conditions will continue. Transport winds remain generally northeast
through northwest through the weekend.</div>
<div> </div>
<div>2. DISPERSION</div>
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<div style="padding-left: 72pt; ">THURSDAY</div>
<div style="padding-left: 72pt; ">Mixing height 1800 - 2800 ft during the morning. Mixing height rises to above 5000 ft during the afternoon then lowers to 2300 - 3300 ft during the evening.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">Transport wind light and variable and controlled by local terrain during the morning. Transport wind increases to SSW to WSW at 6 - 10 mph during the afternoon then shifts to WNW to NNW at 4 - 8 mph during the evening.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">Surface wind light and variable and controlled by local terrain during the morning. Surface wind increases to SSW to WSW at 6 - 10 mph during the afternoon then shifts to WNW to NNW at 6 - 10 mph during the evening.</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">OUTLOOK:</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 72pt; ">FRIDAY</div>
<div style="padding-left: 72pt; ">Mixing height below 1000 ft early rising to 3700 - 4700 ft by late morning rising above 5000 ft during the afternoon. Transport wind light and variable during the morning becoming WSW to WNW at 8 - 14 mph during the afternoon.
Surface wind light and variable during the morning becoming WSW to NW at 6 - 12 mph during the afternoon.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">SATURDAY</div>
<div style="padding-left: 72pt; ">Mixing height 2800 - 3800 ft during the morning rising above 5000 ft during the afternoon. Transport wind light and variable during the morning becoming NW to NNW at 10 - 16 mph during the afternoon. Surface wind light and
variable during the morning becoming NW to NNW at 10 - 16 mph during the afternoon.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">SUNDAY</div>
<div style="padding-left: 72pt; ">Mixing height below 1000 ft early rising to 4500 - 5000 ft by late morning rising above 5000 ft during the afternoon. Transport wind light and variable during the morning becoming NW to NNE at 6 - 12 mph during the afternoon.
Surface wind light and variable during the morning becoming NW to NNE at 6 - 12 mph during the afternoon.</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 Thursday, May 28, 2009.</div>
<div style="padding-left: 36pt; ">==================================================================</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">Avoid ignitions within 12 miles to the SSW through NNW of SSRAs. For units that will smolder significantly through the night avoid burning within at least 20 miles in all directions of SSRAs. </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>
<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>
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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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