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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, November 10, 2009 2:30 PM Jim Trost</div>
<div> </div>
<div>NOTE: The forecast office will be closed Wednesday, November 11<font size="1"><sup>th</sup></font> in observance of Veterans Day. A forecast and instruction will be issued by approximately 8:00 AM Thursday morning.</div>
<div> </div>
<div>1. DISCUSSION AND FORECAST FOR NORTHEAST FORECAST AREA ZONES 630-638</div>
<div> </div>
<div style="padding-left: 28pt; ">Next upper level trough moves toward the coast Wednesday. Rain, and snow at the highest elevations, spills across the Cascades in the late afternoon and evening. Precipitation amounts fairly light. Low level flow southwesterly
to northwest. This variability will necessitate careful selection of burn units. Air mass destabilizes as the trough nears for good mixing in the afternoon. Daytime smoke dispersion good but mixing height falls rapidly in the evening. This could create
problems for residual smoke from units near SSRAs.</div>
<div> </div>
<div> OUTLOOK (THURSDAY - SATURDAY)</div>
<div> </div>
<div style="padding-left: 28pt; ">Unsettled weather continues to the weekend. Then on Saturday a ridge drifts over the Pacific Northwest. This will bring the mixing height down somewhat. Periods of rain, snow, or showers likely through Friday but with the
ridging, Saturday should be dry. Daytime smoke dispersion fairly good but units that smolder into the nights are likely to create problems for nearby SSRAs.</div>
<div> </div>
<div> </div>
<div>2. DISPERSION</div>
<div> </div>
<div>WEDNESDAY</div>
<div style="padding-left: 28pt; ">Mixing height 2700 - 3700 ft during the morning, rising to 4200 - 5000 ft in the afternoon and dropping to 1000 - 1800 ft near sunset.</div>
<div style="padding-left: 28pt; "> </div>
<div style="padding-left: 28pt; ">Transport wind SW to WNW at 6 - 10 mph.</div>
<div style="padding-left: 28pt; "> </div>
<div style="padding-left: 28pt; ">Surface wind WSW to WNW at 6 - 10 mph through the afternoon, becoming light and variable, controlled by local terrain, during the evening.</div>
<div> </div>
<div>OUTLOOK:</div>
<div> </div>
<div style="padding-left: 28pt; ">THURSDAY</div>
<div style="padding-left: 43pt; ">Mixing height below 1000 ft early, 2100 to 3100 ft by late morning, and 3800 to 4800 ft during the afternoon. Transport wind WSW to NW at 5 - 9 mph during the morning and WNW to NNW at 6 - 10 mph in the afternoon. Surface
wind light and variable, becoming WNW to NNW at 4 - 8 mph during the afternoon.</div>
<div style="padding-left: 43pt; "> </div>
<div style="padding-left: 28pt; ">FRIDAY</div>
<div style="padding-left: 43pt; ">Mixing height below 1000 ft early, rising to 2000 to 3000 ft by late morning and 3500 to 4500 ft in the afternoon. Transport wind SW to WSW at 10 - 16 mph during the morning, becoming WNW to NNW at 8 - 14 mph in the afternoon.
Surface wind light and variable, becoming WNW to NNW at 5 - 9 mph in the afternoon.</div>
<div style="padding-left: 43pt; "> </div>
<div style="padding-left: 28pt; ">SATURDAY</div>
<div style="padding-left: 43pt; ">Mixing height below 1000 ft early, 1300 to 2300 ft by late morning, and 3300 to 4300 ft in the afternoon. Transport wind S to SW at 6 - 10 mph in the morning and SE to S at 4 - 8 mph during the afternoon. Surface wind light
and variable, becoming SE to S at 4 - 8 mph during the afternoon.</div>
<div> </div>
<div>3. BURNING INSTRUCTIONS FOR NORTHEAST OREGON ZONES 630-638</div>
<div> The following considerations should be adhered to in addition to</div>
<div> the requirements of the Oregon Smoke Management Plan. These</div>
<div> Instructions are valid for burning conducted on Wednesday, November 11, 2009.</div>
<div> ==================================================================</div>
<div> </div>
<div style="padding-left: 28pt; ">Avoid ignitions within 15 miles to the SW through WNW of SSRAs. Complete ignitions by 3 PM. For units that will smolder into the night, avoid burning within at least 30 miles to the SW through NW in or near drainages leading
to SSRAs. Recommend against burning units that will smolder significantly overnight. </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. Please call this number and not individual's </div>
<div> numbers to discuss daily burning. For large burns (over</div>
<div> 2000 tons) or burns extending over a considerable period,</div>
<div> please request a special forecast. Avoid calling before</div>
<div> 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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