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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, December 14, 2009 7:30 AM Jim Little</div>
<div> </div>
<div>1. DISCUSSION AND FORECAST FOR THE WESTERN OREGON AREA FORECAST ZONES 601-623</div>
<div> </div>
<div style="padding-left: 36pt; ">Apparently there is still quite a bit of burning scheduled for today in western Oregon. A Pacific weather system will move in this afternoon and evening to increase rainfall over all of the region. Winds will be southerly
with the front then switch to slightly southwesterly after frontal passage later this evening. East winds will continue near the Columbia Gorge. Mixing heights will remain high for generally good smoke dispersal conditions.</div>
<div> </div>
<div>2. DISPERSION</div>
<div> </div>
<div>Zone 601, 602, 603 and 612 (North Coast Range):</div>
<div> </div>
<div>MORNING</div>
<div>Mixing height 1200 - 2200 ft.</div>
<div>Transport wind SE to S at 8 - 14 mph.</div>
<div>Surface wind light and variable and controlled by local terrain.</div>
<div> </div>
<div>AFTERNOON</div>
<div>Mixing height rising to 3500 - 4500 ft.</div>
<div>Transport wind SSE at 19 - 33 mph.</div>
<div>Surface wind increases to ESE to SSE at 9 - 15 mph.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height rising above 5000 ft.</div>
<div>Transport wind SSE to SSW at 18 - 30 mph.</div>
<div>Surface wind SE to S at 10 - 16 mph.</div>
<div> </div>
<div>Zone 605-611 (North Cascades):</div>
<div> </div>
<div>MORNING</div>
<div>Mixing height 2400 - 3400 ft.</div>
<div>Transport wind SE to S at 6 - 10 mph.</div>
<div>Surface wind SE to S at 4 - 8 mph.</div>
<div> </div>
<div>AFTERNOON</div>
<div>Mixing height 2300 - 3300 ft.</div>
<div>Transport wind SE to S at 9 - 15 mph.</div>
<div>Surface wind SE to S at 8 - 12 mph.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height rising above 5000 ft.</div>
<div>Transport wind increases to SE to S at 12 - 24 mph.</div>
<div>Surface wind SE to S at 10 - 20 mph.</div>
<div> </div>
<div>Zone 615-620 (South Coast Range):</div>
<div> </div>
<div>MORNING</div>
<div>Mixing height 4000 - 5000 ft.</div>
<div>Transport wind SSE to SSW at 8 - 12 mph.</div>
<div>Surface wind SE to SSW at 6 - 10 mph.</div>
<div> </div>
<div>AFTERNOON</div>
<div>Mixing height above 5000 ft.</div>
<div>Transport wind S at 18 - 32 mph.</div>
<div>Surface wind increases to SSE to SSW at 12 - 24 mph.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height remains above 5000 ft.</div>
<div>Transport wind SSW at 25 - 45 mph.</div>
<div>Surface wind SSW at 20 - 34 mph.</div>
<div> </div>
<div>Zone 616-623 (South Cascades):</div>
<div> </div>
<div>MORNING</div>
<div>Mixing height 3200 - 4200 ft.</div>
<div>Transport wind SSE to SSW at 10 - 16 mph.</div>
<div>Surface wind SSE to SSW at 8 - 14 mph.</div>
<div> </div>
<div>AFTERNOON</div>
<div>Mixing height lowers to 1800 - 2800 ft.</div>
<div>Transport wind SSE to S at 10 - 22 mph.</div>
<div>Surface wind similar to morning.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height rising to 3700 - 4700 ft.</div>
<div>Transport wind S to SSW at 14 - 28 mph.</div>
<div>Surface wind SSE to SSW at 12 - 22 mph.</div>
<div> </div>
<div>3. BURNING INSTRUCTIONS FOR ALL ZONES IN THE WESTERN OREGON AREA</div>
<div>These instructions are valid for burning conducted on Monday, December 14, 2009.</div>
<div>=================================================================</div>
<div> </div>
<div>Coast Range</div>
<div> </div>
<div>Zone 601 and 612</div>
<div>Units should be 1000 tons or less, spaced 8 miles apart, and 10 miles from downwind SSRAs.</div>
<div> </div>
<div>Zone 602 and 603</div>
<div>Units should be 500 tons or less, spaced 8 miles apart, and 10 miles from downwind SSRAs. North of T3N in Zone 602, use standard guidance matrix. (See section 5 below.) Units may be 750 tons or less, spaced 8 miles apart, south of the Siuslaw River in
Zone 603.</div>
<div> </div>
<div>Zone 615, 616, 618, 619, and 620</div>
<div>Use standard guidance matrix. (See section 5 below.) Avoid burning directly upwind of the North Bend/Coos Bay SSRA.</div>
<div> </div>
<div> </div>
<div>Cascades</div>
<div> </div>
<div>Zone 605 and 606</div>
<div>Units should be 500 tons or less, spaced 15 miles apart, and 15 miles from downwind SSRAs. </div>
<div> </div>
<div>Zone 607, 608, 611, and 617</div>
<div>Units should be 750 tons or less, spaced 15 miles apart, and 15 miles from downwind SSRAs.</div>
<div> </div>
<div>Zone 609, 610, and 623</div>
<div>Use standard guidance matrix. (See section 5 below.) Ensure adequate distance from downwind SSRAs for smoke to dissipate.</div>
<div> </div>
<div>Zone 616</div>
<div>Units should be 500 tons or less, spaced 15 miles apart, and 15 miles from downwind SSRAs. Avoid ignitions north of T24S. South of T29S higher tonnage is possible. Call the forecaster.</div>
<div> </div>
<div>Zone 620 and 622</div>
<div>Units should be 1000 tons or less, spaced 15 miles apart, and 15 miles from downwind SSRAs.</div>
<div> </div>
<div> </div>
<div>Siskiyous</div>
<div>Units should be 750 tons or less, spaced 15 miles apart, and 15 miles from downwind SSRAs.</div>
<div> </div>
<div>==============================================================</div>
<div>4. SPECIAL NOTE:</div>
<div> </div>
<div> Call the smoke management duty forecaster at (503) 945-7401 to</div>
<div> discuss burning. Please do not call individual's numbers to </div>
<div> discuss daily burning. If the forecaster is not available, </div>
<div> leave a message and he will return your call as soon as possible.</div>
<div> Avoid calling between 2 to 2:30 p.m. </div>
<div> </div>
<div> The 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>
<div> </div>
<div> </div>
<div>5. STANDARD GUIDANCE MATRIX:</div>
<div> </div>
<div> * Greater than 5000 ft mixing height: No burning within 5 miles of </div>
<div> downwind SSRA. Maximum 100 tons per mile from downwind SSRA. </div>
<div> Example: 500 ton maximum allowed if burned 5 miles from downwind SSRA.</div>
<div> </div>
<div> * 3000 - 5000 ft mixing height: No burning within 10 miles of </div>
<div> downwind SSRA. Maximum 75 tons per mile from downwind SSRA. </div>
<div> Example: 750 ton maximum allowed if burned 10 miles from downwind SSRA.</div>
<div> </div>
<div> * Less than 3000 ft mixing height: No burning within 15 miles of </div>
<div> downwind SSRA. Maximum 50 tons per mile from downwind SSRA. </div>
<div> Example: 750 ton maximum allowed if burned 15 miles from downwind SSRA.</div>
<div> </div>
<div> * All exceptions must be coordinated with the duty forecaster </div>
<div> prior to ignition.</div>
<div> </div>
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