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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: Wednesday, June 10, 2009 2:30 PM Jim Little</div>
<div> </div>
<ol style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 24pt; ">
<li>DISCUSSION AND FORECAST FOR THE WESTERN OREGON AREA FORECAST ZONES 601-623</li></ol>
<div style="padding-left: 18pt; "> </div>
<div style="padding-left: 36pt; ">Upper air charts still show a rather weak, ill defined flow over the Pacific Northwest on Thursday. A weak upper low off the southern Oregon coast will keep conditions unstable and there will likely be scattered showers and
possibly a thunderstorm developing…mainly over the mountains. Low level gradients are onshore and will continue Thursday. The instability means high mixing heights and generally good smoke dispersal conditions. </div>
<div style="padding-left: 36pt; "> </div>
<div>OUTLOOK (FRIDAY - SUNDAY)</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">The weak low drifts to over northwest California on Friday. Southerly flow aloft over the area will increase the chances for thunderstorms during the afternoon. Mixing heights remain high. The low remains nearly stationary
for Saturday for little change in the overall weather pattern. Mixing heights will remain favorable and low level flow will be onshore and generally northwesterly through the weekend. Upper troughiness continues Sunday for an unstable atmosphere and generally
good mixing heights. </div>
<div style="padding-left: 36pt; "> </div>
<div>2. DISPERSION</div>
<div> </div>
<div style="padding-left: 36pt; ">Zone 601, 602, 603 and 612 (North Coast Range):</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 72pt; ">MORNING</div>
<div style="padding-left: 72pt; ">Mixing height 4100 - 5000 ft.</div>
<div style="padding-left: 72pt; ">Transport wind light and variable.</div>
<div style="padding-left: 72pt; ">Surface wind light and variable and controlled by local terrain.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">AFTERNOON</div>
<div style="padding-left: 72pt; ">Mixing height 4100 - 5000 ft.</div>
<div style="padding-left: 72pt; ">Transport wind increases to WNW to NW at 8 - 12 mph.</div>
<div style="padding-left: 72pt; ">Surface wind increases to W to NW at 5 - 9 mph.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">EVENING</div>
<div style="padding-left: 72pt; ">Mixing height lowers below 1000 ft after sunset.</div>
<div style="padding-left: 72pt; ">Transport wind similar to afternoon.</div>
<div style="padding-left: 72pt; ">Surface wind W to NW at 4 - 8 mph.</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">Zone 605-611 and 616-623 (North and South Cascades):</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 72pt; ">MORNING</div>
<div style="padding-left: 72pt; ">Mixing height above 5000 ft.</div>
<div style="padding-left: 72pt; ">Transport wind light and variable.</div>
<div style="padding-left: 72pt; ">Surface wind light and variable and controlled by local terrain.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">AFTERNOON</div>
<div style="padding-left: 72pt; ">Mixing height above 5000 ft.</div>
<div style="padding-left: 72pt; ">Transport wind increases to NW to N at 6 - 12 mph.</div>
<div style="padding-left: 72pt; ">Surface wind increases to WNW to NNW at 4 - 8 mph.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">EVENING</div>
<div style="padding-left: 72pt; ">Mixing height lowers below 1000 ft after sunset.</div>
<div style="padding-left: 72pt; ">Transport wind WNW to NNW at 6 - 12 mph.</div>
<div style="padding-left: 72pt; ">Surface wind similar to afternoon.</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">Zone 615-620 (South Coast Range):</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 72pt; ">MORNING</div>
<div style="padding-left: 72pt; ">Mixing height above 5000 ft.</div>
<div style="padding-left: 72pt; ">Transport wind light and variable.</div>
<div style="padding-left: 72pt; ">Surface wind light and variable and controlled by local terrain.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">AFTERNOON</div>
<div style="padding-left: 72pt; ">Mixing height above 5000 ft.</div>
<div style="padding-left: 72pt; ">Transport wind increases to WNW to NNW at 5 - 9 mph.</div>
<div style="padding-left: 72pt; ">Surface wind increases to W to NNW at 6 - 12 mph.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">EVENING</div>
<div style="padding-left: 72pt; ">Mixing height 3800 - 4800 ft.</div>
<div style="padding-left: 72pt; ">Transport wind NW to N at 6 - 10 mph.</div>
<div style="padding-left: 72pt; ">Surface wind NW to N at 5 - 9 mph.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 36pt; ">OUTLOOK:</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 72pt; ">FRIDAY</div>
<div style="padding-left: 72pt; ">In the north mixing height 2100 to 3100 ft during the morning rising to 4200 to 5000 ft during the afternoon. In the south mixing height 3000 to 4000 ft during the morning rising above 5000 ft during the afternoon. Transport
wind light and variable during the morning becoming NW to N at 6 - 10 mph during the afternoon. Surface wind light and variable during the morning becoming WNW to NNW at 6 - 10 mph during the afternoon.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">SATURDAY</div>
<div style="padding-left: 72pt; ">Mixing height below 1000 ft early rising to 2000 to 3000 ft by late morning rising above 5000 ft during the afternoon. Transport wind light and variable during the morning becoming WNW to NNW at 6 - 10 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 style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">SUNDAY</div>
<div style="padding-left: 72pt; ">Mixing height below 1000 ft early rising to 2000 to 3000 ft by late morning rising above 5000 ft during the afternoon. Transport wind WNW to NNW at 4 - 8 mph. Surface wind NW to N at 4 - 8 mph.</div>
<div style="padding-left: 36pt; "> </div>
<div>3. BURNING INSTRUCTIONS FOR ALL ZONES IN THE WESTERN OREGON AREA</div>
<div>These instructions are valid for burning conducted on Thursday, June 11, 2009.</div>
<div>=================================================================</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">Coast Range</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 72pt; ">Zone 601 and 612</div>
<div style="padding-left: 72pt; ">Units should be 750 tons or less, spaced 8 miles apart, and 10 miles from downwind SSRAs. Restrict units in or near corridors to 500 tons or less.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">Zone 602 and 603</div>
<div style="padding-left: 72pt; ">Units should be 300 tons or less, spaced 8 miles apart, and 10 miles from downwind SSRAs. Avoid burning in or near corridors. Higher tonnage is possible south of the Siuslaw River in Zone 603. Call the forecaster.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">Zone 615</div>
<div style="padding-left: 72pt; ">Units should be 1500 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">Zone 616 west of R8W</div>
<div style="padding-left: 72pt; ">Units should be 1200 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">Zone 616 east of R9W</div>
<div style="padding-left: 72pt; ">Units should be 750 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs. Restrict units to 500 tons or less south of T30S.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">Zone 618</div>
<div style="padding-left: 72pt; ">Use standard guidance matrix. (See section 5 below.)</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">Zone 619</div>
<div style="padding-left: 72pt; ">Units should be 2000 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">Zone 620</div>
<div style="padding-left: 72pt; ">Units should be 500 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs. Higher tonnage is possible south of T35S. Call the forecaster.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">Cascades</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 72pt; ">Zone 605, 606, 607, 608, 609, 611, 616, 617, and 623</div>
<div style="padding-left: 72pt; ">Use standard guidance matrix. (See section 5 below.) Ensure adequate distance from downwind SSRAs for smoke to dissipate. South of T30S in Zone 616 units should be 500 tons or less, spaced 5 miles apart. South of T30S in
Zone 617 units should be 750 tons or less, spaced 5 miles apart.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">Zone 610</div>
<div style="padding-left: 72pt; ">Units should be 1000 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">Zone 620 and 622</div>
<div style="padding-left: 72pt; ">Units should be 500 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs.</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">Siskiyous</div>
<div style="padding-left: 72pt; ">Use standard guidance matrix. (See section 5 below.)</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">==============================================================</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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