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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, April 15, 2009 2:30 PM Jim Little</div>
<div> </div>
<ol style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 42pt; ">
<li>DISCUSSION AND FORECAST FOR THE WESTERN OREGON AREA FORECAST ZONES 601-623</li></ol>
<div> </div>
<div style="padding-left: 36pt; ">Thursday will see a weak upper ridge moving slowly eastward over the region. A weak Pacific cold front will approach the coast during the day, but rainfall should hold off until Thursday evening. Rain should eventually spread
to the California border Thursday night with rainfall totals of near a quarter of an inch in the north Coast Range to less than a tenth of an inch over the southwestern portion of Oregon. Transport winds will be generally south-southeast to south-southwest,
except westerly in southwestern Oregon. Mixing heights should be high enough for fair to 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 front weakens Friday without making much of an eastward push and an upper trough moves through late in the day. Expect cloudy skies and a few areas of light rain Friday. Winds will begin southerly and then switch to a
more west or northwest direction later in the day. Smoke dispersal conditions will be fair to good. A surface high develops over Washington with a thermal low in northern California on Saturday. The high shifts to the northern Rockies on Sunday while the
thermal low shifts to the Cascades. Saturday expect a generally northeasterly flow except easterly in the Rogue Valley with winds becoming northwest late in the day. Mixing heights will lower somewhat over the weekend for deteriorating smoke dispersal conditions.
</div>
<div> </div>
<div> </div>
<div> </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 1900 - 2900 ft.</div>
<div style="padding-left: 72pt; ">Transport wind SSE to SSW at 8 - 12 mph.</div>
<div style="padding-left: 72pt; ">Surface wind ESE to S at 5 - 9 mph.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">AFTERNOON</div>
<div style="padding-left: 72pt; ">Mixing height 1800 - 2800 ft.</div>
<div style="padding-left: 72pt; ">Transport wind S to SW at 10 - 20 mph.</div>
<div style="padding-left: 72pt; ">Surface wind SSE to SSW at 6 - 10 mph.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">EVENING</div>
<div style="padding-left: 72pt; ">Mixing height 1000 - 1800 ft.</div>
<div style="padding-left: 72pt; ">Transport wind S to SW at 12 - 24 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 605-611 (North Cascades):</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 72pt; ">MORNING</div>
<div style="padding-left: 72pt; ">Mixing height 2400 - 3400 ft.</div>
<div style="padding-left: 72pt; ">Transport wind SSE to SSW at 6 - 12 mph.</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 rising to 4000 - 5000 ft.</div>
<div style="padding-left: 72pt; ">Transport wind SSE to SW at 6 - 10 mph.</div>
<div style="padding-left: 72pt; ">Surface wind similar to morning.</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.</div>
<div style="padding-left: 72pt; ">Transport wind SSW to WSW 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 1700 - 2700 ft.</div>
<div style="padding-left: 72pt; ">Transport wind light and variable and controlled by local terrain.</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 2100 - 3100 ft.</div>
<div style="padding-left: 72pt; ">Transport wind SW to W at 5 - 9 mph.</div>
<div style="padding-left: 72pt; ">Surface wind increases to WSW to WNW 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 lowers below 1000 ft.</div>
<div style="padding-left: 72pt; ">Transport wind SW to W at 8 - 14 mph.</div>
<div style="padding-left: 72pt; ">Surface wind becomes light and variable and controlled by local terrain.</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">Zone 616-623 (South Cascades):</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 72pt; ">MORNING</div>
<div style="padding-left: 72pt; ">Mixing height 2400 - 3400 ft.</div>
<div style="padding-left: 72pt; ">Transport wind light and variable and controlled by local terrain.</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 rising above 5000 ft.</div>
<div style="padding-left: 72pt; ">Transport wind similar to morning.</div>
<div style="padding-left: 72pt; ">Surface wind increases to WNW to NNW 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 1000 - 1900 ft.</div>
<div style="padding-left: 72pt; ">Transport wind increases to WSW to NW at 4 - 8 mph.</div>
<div style="padding-left: 72pt; ">Surface wind becomes light and variable and controlled by local terrain.</div>
<div style="padding-left: 36pt; "> </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 below 1000 ft early rising to 2600 to 3600 ft by late morning rising above 5000 ft during the afternoon. In the south mixing height below 1000 ft early rising above 5000 ft by late morning and through
the afternoon. Transport wind SSW to WSW at 6 - 10 mph during the morning becoming W to NW 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 3100 to 4100 ft by late morning rising to 4200 to 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 NE to E at 4 - 8 mph during the morning becoming NW to N at 6 - 10 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 3100 to 4100 ft by late morning and through the afternoon. Transport wind ESE to SSE at 4 - 8 mph during the morning becoming NNW to NNE at 6 - 10 mph during the afternoon. Surface
wind E to SE at 4 - 8 mph during the morning becoming NNW to NNE at 6 - 10 mph during the afternoon.</div>
<div style="padding-left: 72pt; "> </div>
<div>3. BURNING INSTRUCTIONS FOR ALL ZONES IN THE WESTERN OREGON AREA</div>
<div>These instructions are valid for burning conducted on Thursday, April 16, 2009.</div>
<div>=================================================================</div>
<div> </div>
<div style="padding-left: 36pt; ">Coast Range</div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 72pt; ">Zone 601, 612, 615, 616 west of and R8W</div>
<div style="padding-left: 72pt; ">Units should be 750 tons or less, spaced 15 miles apart, and 15 miles from downwind SSRAs. North of Tillamook in Zone 601, use standard guidance matrix. (See section 5 below.) Higher tonnage is possible south of T29S in Zone
616. Call the forecaster.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">Zone 602, 603, and 620</div>
<div style="padding-left: 72pt; ">No burning allowed. North of T3N in Zone 602, use standard guidance matrix. (See section 5 below.) Units may be 500 tons or less, spaced 15 miles apart, south of the Siuslaw River in Zone 603. Some burning allowed south
of T35S in Zone 620. Call the forecaster.</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 500 tons or less, spaced 15 miles apart, and 15 miles from downwind SSRAs. Higher tonnage is possible south of T29S. Call the forecaster.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">Zone 618 and 619</div>
<div style="padding-left: 72pt; ">Units should be 1000 tons or less, spaced 15 miles apart, and 15 miles from downwind SSRAs.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 36pt; "> </div>
<div style="padding-left: 36pt; ">Cascades</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">Zone 605, 606, 607, 608, 609, 610, 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. Verify transport winds away from SSRA if burning within 10 miles of the SSRA in Zone 605 and 606.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">Zone 611</div>
<div style="padding-left: 72pt; ">Units should be 1000 tons or less, spaced 8 miles apart, and 10 miles from downwind SSRAs.</div>
<div style="padding-left: 72pt; "> </div>
<div style="padding-left: 72pt; ">Zone 616</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; ">Units should be 1500 tons or less, spaced 5 miles apart, and 10 miles from downwind SSRAs.</div>
<div style="padding-left: 36pt; "> </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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