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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 16, 2010 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> THURSDAY</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">The upper low that has been plaguing the Pacific Northwest the past few days weakens and moves east but upper troughiness remains over the region on Thursday. Low level flow will be onshore and skies will again be mostly cloudy
most areas with a few scattered showers. Temperatures continue below average for the time of year. Mixing heights should push high enough during the afternoon for fair to good smoke dispersal conditions. </div>
<div style="padding-left: 36pt; "> </div>
<div> OUTLOOK (FRIDAY-SUNDAY)</div>
<div> </div>
<div style="padding-left: 36pt; ">A broad trough remains over the region throughout the outlook period. Low level flow will remain onshore most areas for plenty of clouds and a slight chance of showers. Moisture will be limited, but I can’t rule out the chance
of a shower for any day through the weekend. Cloud-cover will hold down temperatures west of the Cascade crest and the limited heating will keep maximum mixing heights down somewhat and occasionally smoke dispersion conditions may only be marginal, especially
in the south coast range. </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 2300 - 3300 ft.</div>
<div>Transport wind WNW to NNW at 4 - 8 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 increases to NW to NNW at 10 - 16 mph.</div>
<div>Surface wind increases to NW to NNW at 9 - 15 mph.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height 1800 - 2800 ft.</div>
<div>Transport wind NW to NNW at 10 - 22 mph.</div>
<div>Surface wind similar to afternoon.</div>
<div> </div>
<div>Zone 605-611 (North Cascades):</div>
<div> </div>
<div>MORNING</div>
<div>Mixing height 2200 - 3200 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 4000 - 5000 ft.</div>
<div>Transport wind increases to NW to NNE at 6 - 12 mph.</div>
<div>Surface wind increases to NNW to N at 8 - 12 mph.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height 1400 - 2400 ft.</div>
<div>Transport wind similar to afternoon.</div>
<div>Surface wind similar to afternoon.</div>
<div> </div>
<div>Zone 615-620 (South Coast Range):</div>
<div> </div>
<div>MORNING</div>
<div>Mixing height 1500 - 2500 ft.</div>
<div>Transport wind light and variable.</div>
<div>Surface wind NW to N at 4 - 8 mph.</div>
<div> </div>
<div>AFTERNOON</div>
<div>Mixing height rising to 3700 - 4700 ft.</div>
<div>Transport wind increases to NW to N at 10 - 16 mph.</div>
<div>Surface wind increases to NW to N at 9 - 15 mph.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height 2200 - 3200 ft.</div>
<div>Transport wind similar to afternoon.</div>
<div>Surface wind similar to afternoon.</div>
<div> </div>
<div>Zone 616-623 (South Cascades):</div>
<div> </div>
<div>MORNING</div>
<div>Mixing height 1500 - 2500 ft.</div>
<div>Transport wind light and variable.</div>
<div>Surface wind NW to N at 4 - 8 mph.</div>
<div> </div>
<div>AFTERNOON</div>
<div>Mixing height rising to 3700 - 4700 ft.</div>
<div>Transport wind increases to NW to N at 10 - 16 mph.</div>
<div>Surface wind increases to NW to N at 9 - 15 mph.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height 4500 – above 5000 ft.</div>
<div>Transport wind increases to NW to N at 10 - 16 mph.</div>
<div>Surface wind increases to NW to N at 9 - 15 mph.</div>
<div> </div>
<div>OUTLOOK:</div>
<div> </div>
<div>FRIDAY</div>
<div>In the north mixing height below 1000 ft early rising to 3100 to 4100 ft by late morning rising to 4000 to 5000 ft during the afternoon. In the south mixing height below 1000 ft early rising to 1700 to 2700 ft by late morning rising to 3900 to 4900 ft
during the afternoon. Transport wind light and variable during the morning becoming NW to N at 9 - 15 mph during the afternoon. Surface wind light and variable during the morning becoming NW to N at 8 - 14 mph during the afternoon.</div>
<div> </div>
<div>SATURDAY</div>
<div>Mixing height below 1000 ft early rising to 1500 to 2500 ft by late morning and through the afternoon. Transport wind light and variable. Surface wind light and variable.</div>
<div> </div>
<div>SUNDAY</div>
<div>Mixing height below 1000 ft early rising to 2500 to 3500 ft by late morning rising to 3900 to 4900 ft during the afternoon. Transport wind light and variable. Surface wind light and variable.</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 Thursday, June 17, 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 8 miles apart, and 10 miles from downwind SSRAs. Restrict units in or near corridors to 500 tons or less. Higher tonnage is possible south of Waldport in Zone 612. Call the forecaster. Restrict units to 500
tons or less south of T30S in Zone 616.</div>
<div> </div>
<div>Zone 602 and 603</div>
<div>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 T17S in Zone 603. Call the forecaster.</div>
<div> </div>
<div>Zone 615</div>
<div>Units should be 2000 tons or less, spaced 8 miles apart, and 10 miles from downwind SSRAs.</div>
<div> </div>
<div>Zone 616 west of R8W</div>
<div>Units should be 1200 tons or less, spaced 8 miles apart, and 10 miles from downwind SSRAs.</div>
<div> </div>
<div>Zone 618 and 619</div>
<div>Use standard guidance matrix. (See section 5 below.)</div>
<div> </div>
<div>Zone 620</div>
<div>Units should be 500 tons or less, spaced 8 miles apart, and 10 miles from downwind SSRAs. Higher tonnage is possible south of the Rogue River. Call the forecaster.</div>
<div> </div>
<div> </div>
<div>Cascades</div>
<div> </div>
<div>Zone 605, 606, 607, 608, 609, 611, 616, 617, and 623</div>
<div>Use standard guidance matrix. (See section 5 below.) Ensure adequate distance from downwind SSRAs for smoke to dissipate. Verify transport winds away from SSRA if burning within 10 miles of the SSRA in Zone 605 and 606. 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> </div>
<div>Zone 610</div>
<div>Units should be 1000 tons or less, spaced 8 miles apart, and 10 miles from downwind SSRAs.</div>
<div> </div>
<div>Zone 620 and 622</div>
<div>Units should be 500 tons or less, spaced 5 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.)</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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