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<div>SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS</div>
<div>SALEM FORESTRY WEATHER CENTER</div>
<div>OREGON DEPARTMENT OF FORESTRY</div>
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<div>ISSUED: Wednesday, November 4, 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; ">A very deep upper level low will sit in the northern Gulf of Alaska on Thursday. This will support a very deep surface low in the same location. The surface low to the north will give the Pacific Northwest a strong south-to-north
pressure gradient for strong south winds through much of Oregon. A Pacific cold front crosses the Cascades and brings rain to the region overnight Thursday and into Friday. High mixing heights and good southerly flow will make for good smoke dispersal conditions.
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<div> OUTLOOK (FRIDAY-SUNDAY)</div>
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<div style="padding-left: 36pt; ">The upper low remains in the northern Gulf of Alaska and a strong upper level jet (120mph) swings around the bottom of the low and into the Pacific Northwest. Several weather systems will impact the area during the outlook
period but none of them appear particularly strong. Expect showers Saturday then just scattered showers Sunday. Mixing heights will stay high and winds will stay brisk for good smoke dispersal conditions. </div>
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<div>2. DISPERSION</div>
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<div>THURSDAY</div>
<div>Mixing height above 5000 ft throughout the day. Mixing height lowers to 3400 - 4400 ft during the evening.</div>
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<div>Transport wind SSW to SW at 22 - 40 mph during the morning. Transport wind increases to SSW to WSW at 30 - 50 mph during the afternoon and evening.</div>
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<div>Surface wind SSW to SW at 14 - 28 mph during the morning. Surface wind increases to SSW to WSW at 18 - 32 mph during the afternoon and evening.</div>
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<div>OUTLOOK:</div>
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<div>FRIDAY</div>
<div>Mixing height 3700 - 4700 ft during the morning rising above 5000 ft during the afternoon. Transport wind SW to WSW at 28 - 48 mph during the morning becoming WSW to W at 18 - 32 mph during the afternoon. Surface wind SSW to WSW at 18 - 30 mph during
the morning becoming SW to W at 12 - 24 mph during the afternoon.</div>
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<div>SATURDAY</div>
<div>Mixing height below 1000 ft early rising to 3000 - 4000 ft by late morning rising above 5000 ft during the afternoon. Transport wind light and variable. Surface wind light and variable.</div>
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<div>SUNDAY</div>
<div>Mixing height below 1000 ft early rising to 1500 - 2500 ft by late morning rising to 3500 - 4500 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 Thursday, November 5, 2009.</div>
<div style="padding-left: 36pt; ">==================================================================</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">Avoid ignitions within 10 miles to the SW through SW of SSRAs. Care needed in selecting units as smoke will likely fumigate along the ground in wind prone areas. No additional restrictions necessary. </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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