Jefferson County Smoke Management Program

The Jefferson County Smoke Management Program is a cooperative effort of Jefferson County Seed Growers and the Jefferson County Rural Fire Protection District, committed to a safe, controlled agricultural field burning season that insures public safety and minimizes, to the greatest degree possible, impacts of smoke on the communities of Central Oregon.

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Criteria Limiting Field Burning

 

No Burn Conditions

Marginal Burn Conditions

Good Burn Conditions

·              90-20-20 Conditions:  (temperature above 90º F, wind over 20 mph, relative humidity less than 20%)

·              Holidays

·              0-5 mph transport winds, especially from N or NE

·              Rain

·              Weekends (exception:  propane flaming is permitted on Saturdays)

·        Mixing heights near, but not exceeding, 3000 ft

·        Nor NE surface winds predicted

·        Sluggish (< 5 mph) transport winds any direction

·        Ventilation index < 25

·        Gusty afternoon winds predicted

·        Surface winds W, NW, or SW (with favorable field location)

·        Surface winds 5-15 mph

·        Transport winds 5-20 mph, W, NW, or SW

·        4000-8000 ft mixing heights