SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS
SALEM FORESTRY WEATHER CENTER
OREGON DEPARTMENT OF FORESTRY
ISSUED: Wednesday, October 26, 2016 2:40 PM Gary Votaw
1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625
A warm front passed through South Central Oregon last night and left S to SW transport winds over the area, which will continue through Thursday. A cold front also moved onshore which will continue east of the Cascades on Thursday, causing showers but still S to SW winds. Another 0.25” of rainfall will be common. Good mixing heights can be expected past the mid-morning.
Transport winds will become somewhat variable and light on Friday but mainly E to SE before it turns S to SW again by Saturday morning. Friday will also be drier but continued S to SW winds will push more moisture into the region for the weekend with good mixing. Transport winds will finally turn W late on Sunday but become SW again by Monday.
Mixing height above 5000 ft throughout the day.
Transport wind SSW to SW at 15 - 29 mph during the morning. Transport wind decreases to SSW to SW at 10 - 16 mph during the afternoon and evening.
Surface wind S to SW at 6 - 10 mph.
Mixing height below 1000 ft early rising above 5000 ft by late morning and through the afternoon. Transport wind light and variable during the morning becoming SE to S at 4 - 8 mph during the afternoon. Surface wind light and variable.
Mixing height 3200 - 4200 ft during the morning rising above 5000 ft during the afternoon. Transport wind SSE to SSW at 10 - 20 mph. Surface wind SSE to SSW at 8 - 12 mph.
Mixing height 3200 - 4200 ft during the morning rising above 5000 ft during the afternoon. Transport wind SSW to WSW at 10 - 18 mph during the morning becoming WSW to W at 12 - 24 mph during the afternoon. Surface wind SSW to WSW at 6 - 10 mph.
3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER
RANGE PORTION OF ZONE 624
This instruction is valid for burning conducted on Thursday, October 27, 2016.
Avoid ignitions within 10 miles to the S through SW of SSRAs. For units that will smolder significantly through the night avoid burning within at least 10 miles to the SE through SW in or near drainages leading to SSRAs. No additional restrictions necessary.
4. SPECIAL NOTE:
The smoke management forecaster is available at (503)
945-7401. The smoke management forecaster is available
to discuss specific burns. The duty forecaster phone
number is (503) 945-7401. Please call this number and
not individual's numbers to discuss daily burning. Please
avoid calling before 8 a.m. and between 2 to 3 p.m.
To subscribe to or unsubscribe from the email list for this product, please go to the link:
Please ensure your units have been planned and accomplished by checking:
A map of planned and/or accomplished burns is located at:
5. BURN MONITORING:
Burns over 2000 tons must be monitored (OAR 629-048-0230(3) - 7/1/14). Monitoring of all
burns is highly recommended for both smoke management purposes and wildfire potential.