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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, October 11, 2009 2:30 PM Jim Little</div>
<div> </div>
<div>1. DISCUSSION AND FORECAST FOR THE WESTERN OREGON AREA FORECAST ZONES 601-623</div>
<div> </div>
<div> </div>
<div style="padding-left: 36pt; ">The sharp upper level ridge that brought fair weather to the area Sunday will split with the major portion retreating northward on Monday. This will allow a system now over northern Canada to retrograde to off the British
Columbia coast. At the same time a weather system now over the Pacific Ocean will move toward the southern Oregon coast. Rain should hold off until Tuesday. In the north the east or southeast winds will continue while southern zones will see southerly winds
becoming southwest to west during the day. </div>
<div> </div>
<div>OUTLOOK (TUESDAY-SATURDAY)</div>
<div> </div>
<div style="padding-left: 36pt; ">Rain spreads into western Oregon Tuesday with southern sections getting the precipitation first. But by noon the entire western portion of the state will see rain. Flow aloft will be southwesterly, with east-southeast winds
in the north and south-southeast winds in the south shifting to southerly and increasing during the day Tuesday. Wednesday will see southwest flow aloft with the rain continuing. Snow will be confined to the high Cascades above about 7000 feet. The rain
tapers off in the south, but continues in the north Thursday, slowly lifting northward into Washington late in the day. </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 1000 - 2000 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 3500 - 4500 ft.</div>
<div>Transport wind increases to SSW to WSW at 4 - 8 mph.</div>
<div>Surface wind similar to morning.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height 2600 - 3600 ft.</div>
<div>Transport wind increases to SSW to SW at 10 - 20 mph.</div>
<div>Surface wind increases to SSW to WSW at 5 - 9 mph.</div>
<div> </div>
<div>Zone 605-611 (North Cascades):</div>
<div> </div>
<div>MORNING</div>
<div>Mixing height 3200 - 4200 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 3500 - 4500 ft.</div>
<div>Transport wind increases to SW to WNW at 4 - 8 mph.</div>
<div>Surface wind increases to SW to WNW at 4 - 8 mph.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height 1500 - 2500 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 615-620 (South Coast Range):</div>
<div> </div>
<div>MORNING</div>
<div>Mixing height 3800 - 4800 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 above 5000 ft.</div>
<div>Transport wind increases to SSW to WSW at 10 - 20 mph.</div>
<div>Surface wind increases to SSW to WSW at 9 - 15 mph.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height 3400 - 4400 ft.</div>
<div>Transport wind similar to afternoon.</div>
<div>Surface wind shifts to NNW to NNE at 8 - 12 mph.</div>
<div> </div>
<div>Zone 616-623 (South Cascades):</div>
<div> </div>
<div>MORNING</div>
<div>Mixing height below 1000 ft.</div>
<div> </div>
<div>AFTERNOON</div>
<div>Mixing height remains below 1000 ft.</div>
<div>Transport wind similar to morning.</div>
<div>Transport wind N at 0 - 0 mph.</div>
<div>Surface wind similar to morning.</div>
<div>Surface wind N at 0 - 0 mph.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height remains below 1000 ft.</div>
<div>Transport wind similar to afternoon.</div>
<div>Transport wind N at 0 - 0 mph.</div>
<div>Surface wind similar to afternoon.</div>
<div>Surface wind N at 0 - 0 mph.</div>
<div> </div>
<div>OUTLOOK:</div>
<div> </div>
<div>TUESDAY</div>
<div>In the north mixing height 3300 to 4300 ft throughout the day. In the south mixing height above 5000 ft throughout the day. In the Coast Range transport wind light and variable during the morning becoming SE to S at 10 - 22 mph during the afternoon.
In the Cascades transport wind light and variable during the morning becoming SE to S at 14 - 28 mph during the afternoon. In the Coast Range surface wind light and variable during the morning becoming SE to S at 8 - 12 mph during the afternoon. In the Cascades
surface wind light and variable during the morning becoming SE to SSE at 12 - 24 mph during the afternoon.</div>
<div> </div>
<div>WEDNESDAY</div>
<div>Mixing height 1500 to 2500 ft during the morning rising above 5000 ft during the afternoon. Transport wind S to SW at 10 - 18 mph. Surface wind SSE to SSW at 8 - 14 mph.</div>
<div> </div>
<div>THURSDAY</div>
<div>Mixing height 1800 to 2800 ft during the morning rising to 2900 to 3900 ft during the afternoon. Transport wind S to SSW at 10 - 22 mph. Surface wind SE to S at 8 - 14 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, October 12, 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. North of Tillamook in Zone 601, use standard guidance matrix. (See section 5 below.)</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>All zones except Zone 610 and 611</div>
<div>Use standard guidance matrix. (See section 5 below.) Ensure adequate distance from downwind SSRAs for smoke to dissipate. Avoid ignitions north of T24S in Zone 616.</div>
<div> </div>
<div>Zone 610 and 611</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>Use standard guidance matrix. (See section 5 below.) Ensure adequate distance from downwind SSRAs for smoke to dissipate.</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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