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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, September 20, 2010 7:30 AM Jim Little</div>
<div> </div>
<ol style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 18pt; ">
<li>DISCUSSION AND FORECAST FOR THE WESTERN OREGON AREA FORECAST ZONES 601-623</li></ol>
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<div>A few scattered showers remain over northern sections this morning as a result of an upper level trough lingering over the Pacific Northwest. Meanwhile a weak upper level low over British Columbia will sag southward today keeping showers going in the
north through the day. Expect mostly dry weather in southern zones. </div>
<div> </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 1700 - 2700 ft.</div>
<div>Transport wind SW to W at 10 - 20 mph.</div>
<div>Surface wind SSW to W at 6 - 12 mph.</div>
<div> </div>
<div>AFTERNOON</div>
<div>Mixing height lowers to 1200 - 2200 ft.</div>
<div>Transport wind WSW to WNW at 9 - 15 mph.</div>
<div>Surface wind WSW to NW at 6 - 12 mph.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height lowers below 1000 ft.</div>
<div>Transport wind W to NW at 8 - 12 mph.</div>
<div>Surface wind becomes light and variable and controlled by local terrain.</div>
<div> </div>
<div>Zone 605-611 (North Cascades):</div>
<div> </div>
<div>MORNING</div>
<div>Mixing height 1800 - 2800 ft.</div>
<div>Transport wind SSW to SW at 9 - 15 mph.</div>
<div>Surface wind SSW to SW at 9 - 15 mph.</div>
<div> </div>
<div>AFTERNOON</div>
<div>Mixing height rising to 4100 - 5000 ft.</div>
<div>Transport wind shifts to W to NW at 8 - 14 mph.</div>
<div>Surface wind shifts to W to NW at 9 - 15 mph.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height lowers below 1000 ft.</div>
<div>Transport wind WNW to NNW at 4 - 8 mph.</div>
<div>Surface wind becomes light and variable and controlled by local terrain.</div>
<div> </div>
<div>Zone 615-620 (South Coast Range):</div>
<div> </div>
<div>MORNING</div>
<div>Mixing height 2400 - 3400 ft.</div>
<div>Transport wind light and variable.</div>
<div>Surface wind light and variable and controlled by local terrain.</div>
<div> </div>
<div>AFTERNOON</div>
<div>Mixing height 2200 - 3200 ft.</div>
<div>Transport wind increases to WNW to NNW at 8 - 14 mph.</div>
<div>Surface wind increases to WNW to NNW at 8 - 14 mph.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height lowers below 1000 ft.</div>
<div>Transport wind becomes light and variable.</div>
<div>Surface wind becomes light and variable and controlled by local terrain.</div>
<div> </div>
<div>Zone 616-623 (South Cascades):</div>
<div> </div>
<div>MORNING</div>
<div>Mixing height 2000 - 3000 ft.</div>
<div>Transport wind light and variable.</div>
<div>Surface wind light and variable and controlled by local terrain.</div>
<div> </div>
<div>AFTERNOON</div>
<div>Mixing height rising to 4400 - 5000 ft.</div>
<div>Transport wind increases to WSW to NW at 6 - 10 mph.</div>
<div>Surface wind increases to WSW to NW at 6 - 10 mph.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height 1000 - 1500 ft.</div>
<div>Transport wind WNW to NNW at 6 - 10 mph.</div>
<div>Surface wind WNW to NNW at 4 - 8 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, September 20, 2010.</div>
<div>=================================================================</div>
<div> </div>
<div>Coast Range</div>
<div> </div>
<div>Zone 601, 612, and 616 east of R9W</div>
<div>Units should be 750 tons or less, spaced 15 miles apart, and 15 miles from downwind SSRAs.</div>
<div> </div>
<div>Zone 602 and 603</div>
<div>No burning allowed. Higher tonnage is possible south of the Siuslaw River in Zone 603. Call the forecaster.</div>
<div> </div>
<div>Zone 615 and 616 west of R8W</div>
<div>Units should be 1000 tons or less, spaced 15 miles apart, and 15 miles from downwind SSRAs.</div>
<div> </div>
<div>Zone 618 and 619</div>
<div>Units should be 1500 tons or less, spaced 15 miles apart, and 15 miles from downwind SSRAs.</div>
<div> </div>
<div>Zone 620</div>
<div>Units should be 500 tons or less, spaced 15 miles apart, and 15 miles from downwind SSRAs. Higher tonnage is possible south of T35S. Call the forecaster.</div>
<div> </div>
<div> </div>
<div>Cascades</div>
<div> </div>
<div>Zone 605, 606, 607, 608, 609, 611, 616, 617, 622, 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 610 and 620</div>
<div>Units should be 1000 tons or less, spaced 8 miles apart, and 10 miles from downwind SSRAs.</div>
<div> </div>
<div> </div>
<div>Siskiyous</div>
<div>Units should be 1500 tons or less, spaced 8 miles apart, and 10 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">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>
<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>
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