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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: Thursday, May 28, 2009 2:40 PM Nick Yonker</div>
<div> </div>
<div>1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625</div>
<div> </div>
<div style="padding-left: 36pt; ">Upper level ridge will remain over the region through tomorrow with the axis near the Oregon/Idaho border. Expect continued mostly sunny skies and warm temperatures. With southerly flow aloft and warm temperatures, expect
scattered late afternoon to evening thundershowers. Air mass will remain mostly stable during the night and morning with afternoon heating providing a period of good mixing during the day. Wind flow will remain light and favor a generally NW’erly direction.
Smoke dispersion will be poor to fair.</div>
<div> </div>
<div> OUTLOOK (SATURDAY - MONDAY):</div>
<div> </div>
<div style="padding-left: 36pt; ">Upper level ridge remains over the region and to the east through the weekend, gradually weakening and allowing an upper low to approach for Monday. Expect continued sunny skies and warm temperatures with some afternoon to
evening thundershowers. Air mass will continue stable during the night and morning hours with instability during the afternoon. Wind flow will also remain light leaving the region under poor to fair smoke dispersion.</div>
<div> </div>
<div>2. DISPERSION</div>
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<div>FRIDAY</div>
<div style="padding-left: 36pt; ">Mixing height below 1000 ft early rising to 2500 - 3500 ft by late morning. Afternoon mixing height rises above 5000 ft then lowers to 2000 - 3000 ft during the evening.</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">Transport wind SSE to SW at 4 - 8 mph during the morning. Transport wind shifts to WSW to WNW and increases to 8 - 14 mph during the afternoon then shifts to NW to NNW at 8 - 12 mph during the evening.</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">Surface wind light and variable and controlled by local terrain during the morning. Surface wind increases to WSW to NW at 6 - 12 mph during the afternoon and evening.</div>
<div> </div>
<div>OUTLOOK:</div>
<div> </div>
<div>SATURDAY</div>
<div style="padding-left: 36pt; ">Mixing height below 1000 ft early rising to 2800 - 3800 ft by late morning rising above 5000 ft during the afternoon. Transport wind light and variable during the morning becoming W to NW at 8 - 14 mph during the afternoon.
Surface wind light and variable during the morning becoming W to NW at 6 - 12 mph during the afternoon.</div>
<div> </div>
<div>SUNDAY</div>
<div style="padding-left: 36pt; ">Mixing height below 1000 ft early rising to 3500 - 4500 ft by late morning rising above 5000 ft during the afternoon. Transport wind SW to WNW at 6 - 10 mph during the morning becoming NW to NNW at 9 - 15 mph during the afternoon.
Surface wind light and variable during the morning becoming WNW to NNW at 6 - 12 mph during the afternoon.</div>
<div> </div>
<div>MONDAY</div>
<div style="padding-left: 36pt; ">Mixing height below 1000 ft early rising to 3500 - 4500 ft by late morning rising above 5000 ft during the afternoon. Transport wind light and variable during the morning becoming NW to NNE at 6 - 12 mph during the afternoon.
Surface wind light and variable during the morning becoming NW to N at 6 - 10 mph during the afternoon.</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 Friday, May 29, 2009.</div>
<div>==================================================================</div>
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<div style="padding-left: 36pt; ">Avoid ignitions within 12 miles in all directions of SSRAs. For units that will smolder significantly through the night avoid burning within at least 20 miles in all directions of SSRAs. Watch for shifting transport winds.
</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. 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"><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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