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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, December 15, 2009 2:35 PM Jim Little</div>
<div> </div>
<div>1. DISCUSSION AND FORECAST FOR NORTHEAST FORECAST AREA ZONES 630-638</div>
<div> </div>
<div style="padding-left: 36pt; ">A west-southwesterly flow aloft will continue on Wednesday. A weak upper trough will support a Pacific weather system moving into western Oregon but northeast Oregon will be dry and mixing heights will be suppressed for generally
poor smoke dispersal conditions. Transport winds will be generally southerly. </div>
<div> </div>
<div> OUTLOOK (THURSDAY-SATURDAY)</div>
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<div style="padding-left: 36pt; ">Surface high pressure will cover the area through the outlook period. Mixing heights will be low and smoke dispersal conditions will be poor. Transport winds will be generally southerly into the weekend. </div>
<div> </div>
<div>2. DISPERSION</div>
<div> </div>
<div>WEDNESDAY</div>
<div> </div>
<div>Zone 630 and 632:</div>
<div>Mixing height below 1000 ft during the morning. Afternoon mixing height rising to 1000 - 2000 ft then remains near 1000 - 2000 ft during the evening.</div>
<div> </div>
<div>Transport wind SW to W at 10 - 16 mph during the morning. Transport wind increases to SSW to WSW at 12 - 24 mph during the afternoon and evening.</div>
<div> </div>
<div>Surface wind S to SW at 8 - 12 mph throughout the day.</div>
<div> </div>
<div>Zone 633 - 638:</div>
<div>Mixing height below 1000 ft during the morning. Afternoon mixing height rising to 1000 - 2000 ft then remains near 1000 - 2000 ft during the evening.</div>
<div> </div>
<div>Transport wind SW to W at 8 - 14 mph during the morning. Transport wind shifts to SSE to SSW at 10 - 18 mph during the afternoon and evening.</div>
<div> </div>
<div>Surface wind SSW to WSW at 6 - 12 mph during the morning. Surface wind shifts to SE to SSW at 6 - 10 mph during the afternoon and evening.</div>
<div> </div>
<div>OUTLOOK:</div>
<div> </div>
<div>THURSDAY</div>
<div>In the west mixing height below 1000 ft throughout the day. In the east mixing height 1500 to 2500 ft during the morning lowering below 1000 ft during the afternoon. Transport wind SSW to WSW at 5 - 9 mph. Surface wind SSE to SSW at 4 - 8 mph during
the morning becoming light and variable during the afternoon.</div>
<div> </div>
<div>FRIDAY</div>
<div>Mixing height below 1000 ft throughout the day. Transport wind light and variable. Surface wind light and variable.</div>
<div> </div>
<div>SATURDAY</div>
<div>Mixing height below 1000 ft early rising to 1000 to 2000 ft by late morning rising to 2000 to 3000 ft during the afternoon. Transport wind light and variable. Surface wind light and variable.</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, December 16, 2009.</div>
<div> ==================================================================</div>
<div> </div>
<div style="padding-left: 36pt; ">Zone 630 and 632:</div>
<div style="padding-left: 36pt; ">Unfavorable burning situation due to very poor smoke dispersion. Delay ignitions until 11:00am. Avoid ignitions within 20 miles to the SSW through W of SSRAs. For units that will smolder significantly through the night avoid
burning within at least 35 miles to the SSW through WNW in or near drainages leading to SSRAs. Recommend against burning units that will smolder significantly overnight. Complete ignitions by 3:00pm. </div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">Zone 633 - 638:</div>
<div style="padding-left: 36pt; ">Unfavorable burning situation due to very poor smoke dispersion. Delay ignitions until 11:00am. Avoid ignitions within 20 miles to the SSE through W of SSRAs. For units that will smolder significantly through the night avoid
burning within at least 35 miles to the SSE through W in or near drainages leading to SSRAs. Watch for shifting transport winds. Recommend against burning units that will smolder significantly overnight. Complete ignitions by 3:00pm. </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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