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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, June 2, 2010 2:40 PM Jim Little</div>
<div> </div>
<div>1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625</div>
<div> </div>
<div> THURSDAY</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">An upper level low continues in the Gulf of Alaska producing a west-southwest flow over the Pacific Northwest. The flow is quite strong, especially for the time of year, with a 125mph plus jet stream cutting across the area
at about 30,000 feet. However, during the day on Thursday the area will be between weather systems and while it will be generally dry I can’t rule out a few widely scattered showers. Mixing heights will be high enough to provide good smoke dispersal conditions
once morning inversions break. </div>
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<div> OUTLOOK (FRIDAY-SUNDAY)</div>
<div> </div>
<div style="padding-left: 36pt; ">The heavy rain continues into Friday morning then slowly turns to showers and decreases. Mixing heights will provide fair to good smoke dispersal conditions. On Saturday surface high pressure begins to build but showers will
continue, slowly decreasing during the day. At this point Sunday looks like a mostly dry day with partly cloudy skies. Mixing heights both Saturday and Sunday will be near or above 5000 feet for good smoke dispersal conditions. </div>
<div> </div>
<div>2. DISPERSION</div>
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<div>THURSDAY</div>
<div>Mixing height 3400 - 4400 ft during the morning. Mixing height rises to above 5000 ft during the afternoon then lowers to 3600 - 4600 ft during the evening.</div>
<div> </div>
<div>Transport wind SSW to SW at 9 - 15 mph during the morning. Transport wind increases to SW to WSW at 16 - 30 mph during the afternoon and increases to SSW to SW at 20 - 34 mph during the evening.</div>
<div> </div>
<div>Surface wind SSW to SW at 8 - 14 mph during the morning. Surface wind increases to SW to WSW at 12 - 24 mph during the afternoon and evening.</div>
<div> </div>
<div>OUTLOOK:</div>
<div> </div>
<div>FRIDAY</div>
<div>Mixing height 4000 - 5000 ft during the morning rising above 5000 ft during the afternoon. Transport wind SSW to SW at 30 - 50 mph during the morning becoming SW to WSW at 18 - 32 mph during the afternoon. Surface wind SSW to SW at 18 - 30 mph during
the morning becoming SW to WSW at 13 - 25 mph during the afternoon.</div>
<div> </div>
<div>SATURDAY</div>
<div>Mixing height below 1000 ft early rising to 3500 - 4500 ft by late morning rising above 5000 ft during the afternoon. Transport wind light and variable. Surface wind light and variable.</div>
<div> </div>
<div>SUNDAY</div>
<div>Mixing height below 1000 ft early rising to 3500 - 4500 ft by late morning rising above 5000 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>This instruction is valid for burning conducted on Thursday, June 3, 2010.</div>
<div>==================================================================</div>
<div> </div>
<div>Avoid ignitions within 10 miles to the SSW through WSW 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> </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">http://oregon.gov/ODF/FIRE/fire.shtml/#Smoke_Management</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">http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml</a> </div>
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