SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS
SALEM FORESTRY WEATHER CENTER
OREGON DEPARTMENT OF FORESTRY
ISSUED: Thursday, December 21, 2017 2:40 PM Nick Yonker
1. DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625
Upper level ridge has nosed into the state with the axis positioned off the Pacific coastline. Air mass has stabilized and will remain stable through Friday. A modified arctic front will drop southward tomorrow but will stall as it crosses the Oregon/Washington border. Expect little, if any, influence from this system. For the most part, stable conditions will limit burning opportunities.
Ridge will build in stronger on Saturday. Another front approaches the coast on Sunday but dissipates as it moves inland. Air mass will remain stable through Monday. Burn opportunities will remain limited.
Mixing height below 1000 ft throughout the day.
Transport wind WSW to WNW at 10 - 20 mph.
Surface wind SW to W at 8 - 12 mph.
Mixing height below 1000 ft during the morning rising to 1000 - 1700 ft during the afternoon. Transport wind SSE to SSW at 5 - 9 mph during the morning becoming light and variable during the afternoon. Surface wind light and variable.
Mixing height below 1000 ft during the morning rising to 1000 - 1700 ft during the afternoon. Transport wind SSW to WSW at 10 - 16 mph. Surface wind S to SW at 6 - 10 mph.
Mixing height below 1000 ft during the morning rising to 1000 - 1700 ft during the afternoon. Transport wind light and variable. Surface wind light and variable.
3. BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER
RANGE PORTION OF ZONE 624
This instruction is valid for burning conducted on Friday, December 22, 2017.
Unfavorable burning situation due to very poor smoke dispersion. Delay ignitions until 10 a.m. Avoid ignitions within 20 miles to the SW through WNW of SSRAs. For units that will smolder significantly through the night avoid burning within at least 35 miles to the SW through WNW in or near drainages leading to SSRAs. Recommend against burning units that will smolder significantly overnight. Complete ignitions by 3 p.m.
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.