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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: Thursday, May 7, 2009 2:30 PM Nick Yonker</div>
<div> </div>
<div>1. DISCUSSION AND FORECAST FOR THE WESTERN OREGON AREA FORECAST ZONES 601-623</div>
<div> </div>
<div style="padding-left: 36pt; ">Minor upper level ridge starts building into the state tonight through Friday. Air mass will dry and warm slowly. Expect clearing skies tonight and a mostly sunny day tomorrow. Wind flow will turn northerly as surface high
pressure starts building in. Expect fair to good smoke dispersion.</div>
<div> </div>
<div> OUTLOOK (SATURDAY - MONDAY)</div>
<div> </div>
<div style="padding-left: 36pt; ">Upper level ridge continues to build over the region on Saturday and Sunday before shifting eastward Monday as an upper level trough and cold front move in. Effects of the incoming front will be felt Sunday afternoon in the
form of a marine push. Air mass will stabilize further Saturday and Sunday under the ridge, then destabilize on Monday. Smoke dispersion will be mostly poor to fair Saturday and Sunday, then improve Monday.</div>
<div> </div>
<div>2. DISPERSION</div>
<div> </div>
<div>Zone 601-612 (North Coast Range and Cascades):</div>
<div> </div>
<div>MORNING</div>
<div style="padding-left: 36pt; ">Mixing height below 3000 ft early rising to 4000 - 5000 ft by late morning.</div>
<div style="padding-left: 36pt; ">Transport wind NNW to NNE at 6 - 10 mph.</div>
<div style="padding-left: 36pt; ">Surface wind light and variable but favors NNW to NNE.</div>
<div> </div>
<div>AFTERNOON</div>
<div style="padding-left: 36pt; ">Mixing height above 5000 ft.</div>
<div style="padding-left: 36pt; ">Transport wind NNW to NNE at 9 - 15 mph.</div>
<div style="padding-left: 36pt; ">Surface wind increases to NNW to NNE at 8 - 12 mph.</div>
<div> </div>
<div>EVENING</div>
<div style="padding-left: 36pt; ">Mixing height lowers below 2000 ft after sunset.</div>
<div style="padding-left: 36pt; ">Transport wind similar to afternoon.</div>
<div style="padding-left: 36pt; ">Surface wind similar to afternoon.</div>
<div> </div>
<div>Zone 615-620 (South Coast Range):</div>
<div> </div>
<div>MORNING</div>
<div style="padding-left: 36pt; ">Mixing height below 3000 ft early rising to 3300 - 4300 ft by late morning.</div>
<div style="padding-left: 36pt; ">Transport wind NNW to NNE at 6 - 10 mph.</div>
<div style="padding-left: 36pt; ">Surface wind NNW to NNE at 4 - 8 mph.</div>
<div> </div>
<div>AFTERNOON</div>
<div style="padding-left: 36pt; ">Mixing height rising above 5000 ft.</div>
<div style="padding-left: 36pt; ">Transport wind NNW to N at 8 - 14 mph.</div>
<div style="padding-left: 36pt; ">Surface wind increases to NW to N at 10 - 16 mph.</div>
<div> </div>
<div>EVENING</div>
<div style="padding-left: 36pt; ">Mixing height lowers below 2000 ft after sunset.</div>
<div style="padding-left: 36pt; ">Transport wind similar to afternoon.</div>
<div style="padding-left: 36pt; ">Surface wind similar to afternoon.</div>
<div> </div>
<div>Zone 616-623 (South Cascades):</div>
<div> </div>
<div>MORNING</div>
<div style="padding-left: 36pt; ">Mixing height below 3000 ft early rising to 3300 - 4300 ft by late morning.</div>
<div style="padding-left: 36pt; ">Transport wind light and variable but favors NNW to NNE.</div>
<div style="padding-left: 36pt; ">Surface wind light and variable but favors NNW to NNE and controlled by local terrain.</div>
<div> </div>
<div>AFTERNOON</div>
<div style="padding-left: 36pt; ">Mixing height rising above 5000 ft.</div>
<div style="padding-left: 36pt; ">Transport wind increases to NNW to NNE at 6 - 10 mph.</div>
<div style="padding-left: 36pt; ">Surface wind increases to NW to N at 6 - 10 mph.</div>
<div> </div>
<div>EVENING</div>
<div style="padding-left: 36pt; ">Mixing height lowers below 2000 ft after sunset.</div>
<div style="padding-left: 36pt; ">Transport wind NNW to NNE at 8 - 14 mph.</div>
<div style="padding-left: 36pt; ">Surface wind NNW to NE at 6 - 10 mph.</div>
<div> </div>
<div>OUTLOOK:</div>
<div> </div>
<div>SATURDAY</div>
<div style="padding-left: 36pt; ">Mixing height below 1000 ft early rising to 2000 to 3000 ft by late morning rising to 3500 to 4500 ft during the afternoon. Transport wind NNW to NE at 5 - 9 mph. Surface wind light and variable during the morning becoming
NW to N at 6 - 10 mph during the afternoon.</div>
<div> </div>
<div>SUNDAY</div>
<div style="padding-left: 36pt; ">Mixing height below 1000 ft early rising to 2000 to 3000 ft by late morning rising to 3000 to 4000 ft during the afternoon. Transport wind SW to W at 8 - 12 mph. Surface wind SW to W at 4 - 8 mph.</div>
<div> </div>
<div>MONDAY</div>
<div style="padding-left: 36pt; ">Mixing height 3000 to 4000 ft during the morning rising above 5000 ft during the afternoon. Transport wind W to NW at 10 - 18 mph. Surface wind WSW to WNW at 8 - 12 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 Friday, May 8, 2009.</div>
<div>=================================================================</div>
<div> </div>
<div>Coast Range</div>
<div> </div>
<div>Zone 601 and 612</div>
<div style="padding-left: 36pt; ">Units should be 2000 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs. Higher tonnage is possible south of Waldport in Zone 612. Call the forecaster.</div>
<div> </div>
<div>Zone 602, 603, and 616 east of R9W</div>
<div style="padding-left: 36pt; ">Units should be 750 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs. Avoid ignitions north of Forest Grove/Hillsboro or Sheridan/Willamina in Zone 602. Higher tonnage is possible south of T17S in Zone
603. Call the forecaster.</div>
<div> </div>
<div>Zone 615, 618, and 619</div>
<div style="padding-left: 36pt; ">Use standard guidance matrix. (See section 5 below.) Avoid burning directly upwind of the North Bend/Coos Bay SSRA.</div>
<div> </div>
<div>Zone 616 west of R8W</div>
<div style="padding-left: 36pt; ">Units should be 1500 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs.</div>
<div> </div>
<div>Zone 620</div>
<div style="padding-left: 36pt; ">Units should be 500 tons or less, spaced 5 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, and 616</div>
<div style="padding-left: 36pt; ">Units should be 1200 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs. Verify transport winds away from SSRA if burning within 10 miles of the SSRA in Zone 605 and 606. Higher tonnage is possible south
of T20S in Zone 606. Call the forecaster. South of T30S in Zone 616 units should be 500 tons or less, spaced 5 miles apart.</div>
<div> </div>
<div>Zone 607, 608, 609, 611, 617, and 623</div>
<div style="padding-left: 36pt; ">Use standard guidance matrix. (See section 5 below.) Ensure adequate distance from downwind SSRAs for smoke to dissipate. 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 style="padding-left: 36pt; ">Units should be 1000 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs.</div>
<div> </div>
<div>Zone 620 and 622</div>
<div style="padding-left: 36pt; ">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 style="padding-left: 36pt; ">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"><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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