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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, June 7, 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> TUESDAY</div>
<div style="padding-left: 36pt; "><font face="Consolas, monospace"> </font></div>
<div style="padding-left: 36pt; ">Upper level flow over the region will be generally west-southwest ahead of an upper level low pressure area about 600 miles offshore. Warm air streaming northward in the middle layers of the atmosphere will suppress mixing
heights. Clouds will be on the increase during the day, but it looks like rain won’t reach the south coast until late in day...spreading northward into northern sections by midnight. Amounts should be light. </div>
<div style="padding-left: 36pt; "> </div>
<div> OUTLOOK (WEDNESDAY-FRIDAY)</div>
<div> </div>
<div style="padding-left: 36pt; ">By Wednesday the upper level low will be about 100 miles west of Grays Harbor, Washington. Upper level flow will be from the southwest with enough moisture for periods of light rain. Slight cooling aloft will bump mixing
heights a bit for generally fair smoke dispersal conditions. The upper low moves across northern Washington on Thursday with an upper trough sweeping across Oregon. This will keep periods of rain going. Subsidence aloft on the back side of the trough will
hold mixing heights a little lower than Wednesday. By Friday the trough will be on an axis from northern Idaho to central Nevada and moving east. Flow aloft will be northerly. There will still be enough moisture for a chance of light rain. Friday transport
winds should be steady and brisk from the north offering burn opportunities that may not have been available for quite some time with the persistent west or southwesterly pattern of recent days. </div>
<div><font face="Consolas, monospace"> </font></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 below 1000 ft early rising to 1100 - 2100 ft by late morning.</div>
<div>Transport wind NNE to E at 6 - 10 mph.</div>
<div>Surface wind NNE to ENE at 4 - 8 mph.</div>
<div> </div>
<div>AFTERNOON</div>
<div>Mixing height rising to 2500 - 3500 ft.</div>
<div>Transport wind shifts to SW to W at 6 - 10 mph.</div>
<div>Surface wind becomes light and variable and controlled by local terrain.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height 1200 - 2200 ft.</div>
<div>Transport wind increases to SW to WSW at 13 - 25 mph.</div>
<div>Surface wind increases to SW to WSW at 9 - 15 mph.</div>
<div> </div>
<div>Zone 605-611 (North Cascades):</div>
<div> </div>
<div>MORNING</div>
<div>Mixing height below 500 ft early rising to 2600 - 3600 ft by late morning.</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 5 - 9 mph.</div>
<div>Surface wind increases to SW to W at 4 - 8 mph.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height 1600 - 2600 ft.</div>
<div>Transport wind shifts to S to SW and increases to 10 - 16 mph.</div>
<div>Surface wind SSW to SW at 8 - 14 mph.</div>
<div> </div>
<div>Zone 615-620 (South Coast Range):</div>
<div> </div>
<div>MORNING</div>
<div>Mixing height 1400 - 2400 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 2500 - 3500 ft.</div>
<div>Transport wind increases to WSW to W at 10 - 22 mph.</div>
<div>Surface wind increases to WSW to WNW at 10 - 18 mph.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height 1800 - 2800 ft.</div>
<div>Transport wind decreases to SSW to WSW at 6 - 12 mph.</div>
<div>Surface wind decreases to SW to W at 4 - 8 mph.</div>
<div> </div>
<div>Zone 616-623 (South Cascades):</div>
<div> </div>
<div>MORNING</div>
<div>Mixing height below 500 ft early rising above 5000 ft by late morning.</div>
<div>Transport wind ESE to SSE at 8 - 12 mph.</div>
<div>Surface wind ESE to S at 6 - 10 mph.</div>
<div> </div>
<div>AFTERNOON</div>
<div>Mixing height above 5000 ft.</div>
<div>Transport wind shifts to WSW to WNW at 8 - 14 mph.</div>
<div>Surface wind shifts to WSW to WNW at 8 - 14 mph.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height 1000 - 1700 ft.</div>
<div>Transport wind WSW to WNW at 6 - 10 mph.</div>
<div>Surface wind WSW to NW at 6 - 10 mph.</div>
<div> </div>
<div>OUTLOOK:</div>
<div> </div>
<div>WEDNESDAY</div>
<div>Mixing height 3000 to 4000 ft during the morning rising to 3600 to 4600 ft during the afternoon. Transport wind SSW to SW at 10 - 18 mph during the morning becoming SW to WSW at 13 - 25 mph during the afternoon. Surface wind SSW to SW at 8 - 12 mph during
the morning becoming SSW to WSW at 10 - 20 mph during the afternoon.</div>
<div> </div>
<div>THURSDAY</div>
<div>Mixing height below 1000 ft early rising to 3000 to 4000 ft by late morning and through the afternoon. Transport wind SSW to SW at 10 - 18 mph during the morning becoming W to NW at 5 - 9 mph during the afternoon. Surface wind light and variable.</div>
<div> </div>
<div>FRIDAY</div>
<div>Mixing height below 1000 ft early rising to 3000 to 4000 ft by late morning rising to 4000 to 5000 ft during the afternoon. Transport wind WNW to NNW at 6 - 10 mph. 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 Tuesday, June 8, 2010.</div>
<div>=================================================================</div>
<div> </div>
<div>Coast Range</div>
<div> </div>
<div>Zone 601 and 612</div>
<div>Units should be 750 tons or less, spaced 10 miles apart, and 12 miles from downwind SSRAs. Restrict units in or near corridors to 500 tons or less. 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 300 tons or less, spaced 10 miles apart, and 12 miles from downwind SSRAs. North of T3N in Zone 602, use standard guidance matrix. (See section 5 below.) Avoid burning in or near corridors. Units may be 500 tons or less, spaced 10 miles
apart, south of the Siuslaw River in Zone 603.</div>
<div> </div>
<div>Zone 615 and 616 west of R8W</div>
<div>Units should be 1000 tons or less, spaced 10 miles apart, and 12 miles from downwind SSRAs. Higher tonnage is possible south of T29S in Zone 616. Call the forecaster.</div>
<div> </div>
<div>Zone 616 east of R9W</div>
<div>Units should be 500 tons or less, spaced 10 miles apart, and 12 miles from downwind SSRAs. Higher tonnage is possible south of T29S. Call the forecaster.</div>
<div> </div>
<div>Zone 618</div>
<div>Units should be 2000 tons or less, spaced 10 miles apart, and 12 miles from downwind SSRAs.</div>
<div> </div>
<div>Zone 619</div>
<div>Units should be 1500 tons or less, spaced 10 miles apart, and 12 miles from downwind SSRAs.</div>
<div> </div>
<div>Zone 620</div>
<div>No burning allowed. Some burning allowed south of T35S. Call the forecaster.</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. From T15S through T20S in Zone 608 units should be 1000 tons or less, spaced 8 miles apart.</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>Units should be 1000 tons or less, spaced 5 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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