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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: Monday, October 19, 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; ">An upper level ridge moves west-to-east over Oregon during the day on Tuesday. Surface pressure gradients will be weak for light northerly winds most areas. Mixing heights should be high enough to give fair smoke dispersal
conditions. </div>
<div> </div>
<div> OUTLOOK (WEDNESDAY-FRIDAY)</div>
<div> </div>
<div style="padding-left: 36pt; ">The ridge axis moves east and an upper trough moves into British Columbia and Washington on Wednesday. The trailing cold front will move across the state during the day. Rain reaches central Oregon around noon and spreads
east in the afternoon. Amounts will be light. Smoke dispersal conditions Wednesday will be marginal to fair. Thursday and Friday an upper ridge builds over the area for dry weather but also light winds and low mixing heights. Thus smoke dispersal conditions
will be poor both days. Recommend not planning units near smoke sensitive areas Thursday and Friday. </div>
<div> </div>
<div> </div>
<div>2. DISPERSION</div>
<div> </div>
<div>TUESDAY</div>
<div> </div>
<div>Zone 630 and 632:</div>
<div>Mixing height 2200 - 3200 ft during the morning. Afternoon mixing height rises to 3500 - 4500 ft then lowers below 1000 ft during the evening.</div>
<div> </div>
<div>Transport wind light and variable and controlled by local terrain. Transport wind increases to SSE to SW at 4 - 8 mph during the evening.</div>
<div> </div>
<div>Surface wind light and variable and controlled by local terrain.</div>
<div> </div>
<div>Zone 633 - 638:</div>
<div>Mixing height 2300 - 3300 ft during the morning. Afternoon mixing height rises to 3500 - 4500 ft then lowers below 1000 ft during the evening.</div>
<div> </div>
<div>Transport wind light and variable and controlled by local terrain.</div>
<div> </div>
<div>Surface wind light and variable and controlled by local terrain.</div>
<div> </div>
<div>OUTLOOK:</div>
<div> </div>
<div>WEDNESDAY</div>
<div>Mixing height 1900 to 2900 ft during the morning rising to 3000 to 4000 ft during the afternoon. Transport wind S to SSW at 12 - 24 mph during the morning becoming W to WNW at 12 - 24 mph during the afternoon. Surface wind SSE to SSW at 8 - 12 mph during
the morning becoming W to NW at 10 - 16 mph during the afternoon.</div>
<div> </div>
<div>THURSDAY</div>
<div>Mixing height below 1000 ft early rising to 1000 to 2000 ft by late morning rising to 3000 to 4000 ft during the afternoon. Transport wind light and variable. Surface wind light and variable.</div>
<div> </div>
<div>FRIDAY</div>
<div>Mixing height below 1000 ft early rising to 1000 to 2000 ft by late morning rising to 2500 to 3500 ft during the afternoon. Transport wind SW to W at 6 - 10 mph. Surface wind light and variable during the morning becoming SW to W 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 Tuesday, October 20, 2009.</div>
<div> ==================================================================</div>
<div> </div>
<div>Zone 630 and 632:</div>
<div>Avoid ignitions within 15 miles in all directions of SSRAs. For units that will smolder significantly through the night avoid burning within at least 30 miles in all directions of SSRAs. Recommend against burning units that will smolder significantly
overnight. Complete ignitions by 4:00pm </div>
<div> </div>
<div>Zone 633 - 638:</div>
<div>Avoid ignitions within 15 miles in all directions of SSRAs. Complete ignitions by 4:00pm. </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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