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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: Sunday, May 16, 2010 2:35 PM Jim Little</div>
<div> </div>
<div>1. DISCUSSION AND FORECAST FOR NORTHEAST FORECAST AREA ZONES 630-638</div>
<div> </div>
<div> WEDNESDAY</div>
<div> </div>
<div style="padding-left: 36pt; ">An upper level disturbance will move into northern California during the day and upper flow shifts from southwesterly to southerly. This will push more moisture into the Pacific Northwest. Daytime heating destabilized the
atmosphere and afternoon showers are likely with possible thunderstorms. Expect high mixing heights for good smoke dispersal conditions. </div>
<div style="padding-left: 36pt; "> </div>
<div> OUTLOOK (TUESDAY-THURSDAY) </div>
<div style="padding-left: 36pt; "><font face="Consolas, monospace"> </font></div>
<div style="padding-left: 36pt; ">An upper level low in the Gulf of Alaska keeps southwesterly flow aloft over the region for Tuesday. There will be enough moisture for widely scattered showers. Smoke dispersal conditions should be fair to good. Look for
dry weather on Wednesday until mid to late afternoon when moisture from a Pacific system crosses the Cascades and spreads east. </div>
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<div>2. DISPERSION</div>
<div> </div>
<div>MONDAY</div>
<div> </div>
<div>Zone 630 and 632:</div>
<div>Mixing height below 500 ft early rising to 4000 - 5000 ft by late morning. Afternoon mixing height rises above 5000 ft and remains above 5000 ft through the evening.</div>
<div> </div>
<div>Transport wind S to SSW at 10 - 20 mph during the morning and afternoon. Transport wind decreases to S to SW at 8 - 14 mph during the evening.</div>
<div> </div>
<div>Surface wind S to SSW at 9 - 15 mph during the morning and afternoon. Surface wind decreases to SSE to SW at 4 - 8 mph during the evening.</div>
<div> </div>
<div>Zone 633 - 638:</div>
<div>Mixing height below 500 ft early rising to 3000 - 4000 ft by late morning. Afternoon mixing height rises above 5000 ft and remains above 5000 ft through the evening.</div>
<div> </div>
<div>Transport wind SE to S at 8 - 14 mph during the morning. Transport wind becomes light and variable and controlled by local terrain during the afternoon then increases to W to NW at 10 - 16 mph during the evening.</div>
<div> </div>
<div>Surface wind SE to S at 6 - 12 mph during the morning. Surface wind becomes light and variable and controlled by local terrain during the afternoon then increases to WSW to NW at 6 - 10 mph during the evening.</div>
<div> </div>
<div>OUTLOOK:</div>
<div> </div>
<div>TUESDAY</div>
<div>In the west mixing height 1400 to 2400 ft during the morning rising to 3500 to 4500 ft during the afternoon. In the east mixing height 2500 to 3500 ft during the morning rising to 3500 to 4500 ft during the afternoon. Transport wind W to NW at 9 - 15
mph. Surface wind WSW to NW at 6 - 10 mph during the morning becoming WNW to NNW at 6 - 10 mph during the afternoon.</div>
<div> </div>
<div>WEDNESDAY</div>
<div>Mixing height below 1000 ft early rising to 3500 to 4500 ft by late morning and through the afternoon. Transport wind light and variable. Surface wind light and variable.</div>
<div> </div>
<div>THURSDAY</div>
<div>Mixing height 3500 to 4500 ft during the morning rising to 4500 to 5000 ft during the afternoon. Transport wind SSW to WSW at 6 - 12 mph. Surface wind SW to WNW at 5 - 9 mph.</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 Monday, May 17, 2010.</div>
<div> ==================================================================</div>
<div style="padding-left: 36pt; "><font face="Consolas, monospace"> </font></div>
<div style="padding-left: 36pt; ">Zone 630 and 632:</div>
<div style="padding-left: 36pt; ">Avoid ignitions within 10 miles to the SSE through SW of SSRAs. For units that will smolder significantly through the night avoid burning within at least 15 miles to the SSE through NW in or near drainages leading to SSRAs.
</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">Zone 633 - 638:</div>
<div style="padding-left: 36pt; ">Avoid ignitions within 10 miles in all directions of SSRAs. No additional restrictions necessary. </div>
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<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">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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