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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: Friday, October 23, 2009 2:40 PM Nick Yonker</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; ">Cold front is moving into the region this afternoon bringing some light rain to the northern part of the region. As the front continues to swing through, the southern part of the region should also get some moisture. Upper
level ridge will quickly rebuild tomorrow, stabilizing the air mass and reducing wind flow. Expect a fair and dry day on Saturday. Smoke dispersion will decrease considerably from today under the building ridge.</div>
<div> </div>
<div> OUTLOOK (SUNDAY - TUESDAY):</div>
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<div style="padding-left: 36pt; ">Upper ridge will remain over the state Sunday but a warm front will overrun it, bringing another round of moisture late Sunday. Air mass will remain stable but smoke dispersion will improve as SW’erly flow increases. The
trailing cold front will move through on Monday bringing a good shot of moisture and cooler, unstable conditions. Upper trough moves through later Monday with chilly northerly flow following on Tuesday. Showers decrease. Snow level will lower to the valley
floors early Tuesday. Mixing and smoke dispersion will be mostly excellent Monday and Tuesday.</div>
<div> </div>
<div>2. DISPERSION</div>
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<div>SATURDAY</div>
<div style="padding-left: 36pt; ">Mixing height below 1000 ft early rising to 2500 - 3500 ft by late morning. Afternoon mixing height rises to 3300 - 4300 ft then lowers below 1000 ft during the evening.</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">Transport wind W to NW at 6 - 12 mph during the morning. Transport wind shifts to NNW to N at 9 - 15 mph during the afternoon then becomes light and variable and controlled by local terrain during the evening.</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">Surface wind W to NW at 6 - 10 mph during the morning. Surface wind shifts to NW to NNE at 6 - 12 mph during the afternoon then becomes light and variable and controlled by local terrain during the evening.</div>
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<div>OUTLOOK:</div>
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<div>SUNDAY</div>
<div style="padding-left: 36pt; ">Mixing height below 1000 ft early rising to 1700 - 2700 ft by late morning rising to 2500 - 3500 ft during the afternoon. Transport wind WSW to WNW at 5 - 9 mph during the morning becoming SW to WSW at 10 - 18 mph during the
afternoon. Surface wind light and variable during the morning becoming SSW to WSW at 6 - 10 mph during the afternoon.</div>
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<div>MONDAY</div>
<div style="padding-left: 36pt; ">Mixing height 3000 - 4000 ft during the morning rising to 4500 - 5000 ft during the afternoon. Transport wind W to WNW at 15 - 25 mph. Surface wind WSW to W at 12 - 22 mph.</div>
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<div>TUESDAY</div>
<div style="padding-left: 36pt; ">Mixing height 4500 - 5000 ft during the morning and through the afternoon. Transport wind WNW to NNW at 10 - 20 mph. Surface wind WNW to NW at 8 - 12 mph.</div>
<div> </div>
<div>3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER</div>
<div> RANGE PORTION OF ZONE 624</div>
<div>This instruction is valid for burning conducted on Saturday, October 24, 2009.</div>
<div>==================================================================</div>
<div> </div>
<div style="padding-left: 36pt; ">Avoid ignitions within 12 miles to the WSW through NE of SSRAs. For units that will smolder significantly through the night avoid burning within at least 25 miles to the WSW through NE in or near drainages leading to SSRAs.
Complete ignitions by 4 p.m. </div>
<div> </div>
<div>==============================================================</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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