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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, May 31, 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; ">An upper level low in the Gulf of Alaska gives west-southwesterly flow aloft over the region. Minor impulses traveling WSW to NNE in the flow keep scattered showers going through the day. Skies will be cloudy to mostly cloudy
and temperatures generally 7 to 9 degrees below average for the time of year. This will keep mixing heights down and limit smoke dispersal conditions to fair to good in the north and only fair in the south.</div>
<div style="padding-left: 36pt; "> </div>
<div> OUTLOOK (WEDNESDAY-FRIDAY) </div>
<div style="padding-left: 36pt; "><font face="Consolas, monospace"> </font></div>
<div style="padding-left: 36pt; ">The upper low moves slightly west Wednesday and upper flow over the area becomes slightly more southwest. A more significant impulse drives a Pacific front to the coast early on Wednesday spreading moderate rain eastward.
Smoke dispersal conditions will be fair to good. On Thursday the southwest flow aloft continues and expect to be between weather systems but with still enough moisture around for scattered showers. Slightly warmer surface temperatures should push afternoon
mixing heights up a bit for generally good smoke dispersal conditions. A more significant spring storm will develop Friday as a surface low off the SW Oregon coast. This will track from SW to NE toward northwest Washington. This is a windy weather pattern
so expect a generally rainy and windy day throughout the region. </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 500 ft early rising to 1800 - 2800 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 rising to 3000 - 4000 ft.</div>
<div>Transport wind increases to S to SSW at 8 - 14 mph.</div>
<div>Surface wind increases to SSE to SSW at 6 - 10 mph.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height 2500 - 3500 ft.</div>
<div>Transport wind S to SW at 10 - 18 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 below 1000 ft early rising to 1600 - 2600 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 rising to 3500 - 4500 ft.</div>
<div>Transport wind increases to S to SW at 6 - 10 mph.</div>
<div>Surface wind increases to S to SW at 5 - 9 mph.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height 2200 - 3200 ft.</div>
<div>Transport wind SSE to SSW at 8 - 14 mph.</div>
<div>Surface wind SSE to SSW at 8 - 12 mph.</div>
<div> </div>
<div>Zone 615-620 (South Coast Range):</div>
<div> </div>
<div>MORNING</div>
<div>Mixing height below 500 ft early rising to 2800 - 3800 ft by late morning.</div>
<div>Transport wind S to SW 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 2500 - 3500 ft.</div>
<div>Transport wind increases to SSW to SW at 9 - 15 mph.</div>
<div>Surface wind increases to S to SW at 6 - 12 mph.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height 1800 - 2800 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 below 1000 ft early rising to 1300 - 2300 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 rising to 2500 - 3500 ft.</div>
<div>Transport wind increases to SSE to SW at 4 - 8 mph.</div>
<div>Surface wind increases to SSE to SW at 4 - 8 mph.</div>
<div> </div>
<div>EVENING</div>
<div>Mixing height 1000 - 1600 ft.</div>
<div>Transport wind similar to afternoon.</div>
<div>Surface wind becomes light and variable and controlled by local terrain.</div>
<div> </div>
<div>OUTLOOK:</div>
<div> </div>
<div>WEDNESDAY</div>
<div>Mixing height 2600 to 3600 ft throughout the day. Transport wind SSW to SW at 15 - 25 mph during the morning becoming SW to W at 10 - 16 mph during the afternoon. Surface wind S to SW at 10 - 20 mph during the morning becoming SW to W at 8 - 12 mph during
the afternoon.</div>
<div> </div>
<div>THURSDAY</div>
<div>Mixing height below 1000 ft early rising to 2000 to 3000 ft by late morning rising to 4200 to 5000 ft during the afternoon. Transport wind SSE to SSW at 10 - 18 mph during the morning becoming S to SSW at 16 - 30 mph during the afternoon. Surface wind
SSE to SSW at 6 - 10 mph during the morning becoming SE to S at 10 - 20 mph during the afternoon.</div>
<div> </div>
<div>FRIDAY</div>
<div>Mixing height 2500 to 3500 ft during the morning rising above 5000 ft during the afternoon. Transport wind SSW to SW at 18 - 30 mph during the morning becoming SSW to SW at 12 - 22 mph during the afternoon. Surface wind SSW to SW at 10 - 22 mph during
the morning becoming SSW to WSW at 8 - 12 mph during the afternoon.</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 1, 2010.</div>
<div>=================================================================</div>
<div> </div>
<div>Coast Range</div>
<div> </div>
<div>***Avoid ignitions before 10:00am. in Zone 601, 602, 603 and 612.***</div>
<div> </div>
<div>Zone 601 and 612</div>
<div>Units should be 1000 tons or less, spaced 10 miles apart, and 12 miles from downwind SSRAs. 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.) 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 620</div>
<div>Units should be 1500 tons or less, spaced 10 miles apart, and 12 miles from downwind SSRAs.</div>
<div> </div>
<div>Zone 616 west of R8W</div>
<div>Units should be 1200 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 616 east of R9W</div>
<div>Units should be 750 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 and 619</div>
<div>Use standard guidance matrix. (See section 5 below.)</div>
<div> </div>
<div> </div>
<div>Cascades</div>
<div> </div>
<div>All zones except zone 611</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. Avoid ignitions north of T24S
in Zone 616.</div>
<div> </div>
<div>Zone 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 750 tons or less, spaced 10 miles apart, and 12 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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