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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, June 22, 2010 2:40 PM Jim Little</div>
<div> </div>
<div>*** Last Forecast/Instructions of 2010 Spring Burning Season ***</div>
<div> </div>
<div>It appears that prescribed burning is over for the summer as many areas have declared fire season in effect. Thus, unless we hear differently, this will be the last forecast for this region for the spring burning season. If you need specific advice regarding
prescribed burning and smoke management during the summer please call the Smoke Management Forecaster Line at 503-945-4701. Daily forecasts and instructions will resume late summer or early fall depending on weather conditions. </div>
<div> </div>
<div> </div>
<div>1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625</div>
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<div> WEDNESDAY</div>
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<div style="padding-left: 36pt; ">An upper level trough deepens and moves toward the Pacific Northwest on Wednesday. The trough axis remains offshore for southwesterly flow aloft. Moisture will be limited but there is a possibility of showers or thunderstorms
during the afternoon. It should be warm enough to push afternoon mixing heights to above 5000 feet for good smoke dispersal conditions. </div>
<div style="padding-left: 36pt; "> </div>
<div> OUTLOOK (THURSDAY-SATURDAY)</div>
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<div style="padding-left: 36pt; ">Thursday sees a westerly flow aloft with embedded disturbances moving with the flow. Again, very limited moisture so rain is not expected. Mixing heights should push high enough for good smoke dispersal conditions. A broad
trough aloft sets up for Friday. Look for dry weather, partly cloudy skies, and good smoke dispersal conditions. Saturday it’s back to a westerly pattern aloft with weak embedded disturbances but not much moisture. High afternoon mixing heights will again
be the rule on Saturday. </div>
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<div>2. DISPERSION</div>
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<div>WEDNESDAY</div>
<div>Mixing height above 5000 ft throughout the day. Mixing height lowers to 2100 - 3100 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 W to NW at 6 - 10 mph during the afternoon then shifts and increases to NNW to N at 13 - 25 mph during the evening.</div>
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<div>Surface wind NW to N at 4 - 8 mph during the morning. Surface wind shifts to W to NW and increases to 8 - 12 mph during the afternoon and evening.</div>
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<div>OUTLOOK:</div>
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<div>THURSDAY</div>
<div>Mixing height below 1000 ft early rising above 5000 ft by late morning and through the afternoon. Transport wind NE to E at 6 - 10 mph during the morning becoming N to NE at 4 - 8 mph during the afternoon. Surface wind S to SW at 6 - 12 mph during the
morning becoming SW to WSW at 10 - 22 mph during the afternoon.</div>
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<div>FRIDAY</div>
<div>Mixing height 2600 - 3600 ft during the morning rising above 5000 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 4000 - 5000 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 Wednesday, June 23, 2010.</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 WSW through NNE of SSRAs. For units that will smolder significantly through the night avoid burning within at least 15 miles in all directions of SSRAs. </div>
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<div style="padding-left: 36pt; ">==============================================================</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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