Airshed
Management
System

Show Information for:

Burn Recommendations

Last Updated: 2019-09-13 14:19:13.512404 MST
Idaho

No Restrictions.

AS 15

#202367 - Confirm favorable wind direction and dispersion during test fire and monitor wind/dispersion conditions throughout firing, adjust accordingly.  Monitor PM concentration levels at McCall monitor via ID DEQ website, adjust accordingly.

Montana

No Restrictions.

AS 3A

# 200189 – Confirm favorable wind direction during test fire and monitor wind/dispersion conditions throughout firing, adjust accordingly. 

AS 3B

# 201545 – Confirm favorable wind direction during test fire and monitor wind/dispersion conditions throughout firing, adjust accordingly.  Monitor PM Concentrations at Seeley Lake, adjust accordingly. 


Meteorology/Dispersion Discussion

Last Updated: 2019-09-12 12:52:39.878916 MST

GOOD-EXCELLENT dispersion Sunday in Idaho and Western/Central Montana with strong Southwest flow aloft and southwest surface winds. GOOD-EXCELLENT dispersion East of the Continental Divide with strong Southwest flow aloft and SE-SW surface winds.

GOOD dispersion Monday in Idaho and Western Montana with southerly flow aloft preceding a low pressure system in the Pacific Northwest. W-SW surface winds. GOOD dispersion and very warm in Central/Eastern Montana under southerly flow aloft. SE-SW surface winds.

GOOD-EXCELLENT dispersion Tuesday in Idaho and Western/Central Montana as low pressure trough moves over North Idaho/Western Montana. SW-W surface winds. Numerous showers Central/Northern Idaho and Western Montana. Snow levels lowering to 5500 ft. north and 8000 ft. south. GOOD-EXCELLENT dispersion in Central/Eastern Montana with southerly flow aloft and SW-NW surface winds. Showers/wet storms in Central MT.

GOOD-EXCELLENT dispersion Wednesday in Idaho and Western/Central Montana as low pressure trough moves over the Continental Divide. SW-W surface winds. Scattered showers Central/Northern Idaho and Western Montana. GOOD-EXCELLENT dispersion in Central/Eastern Montana with westerly flow aloft beneath upper low in Canada. Westerly surface winds.

MARGINAL-GOOD dispersion Thursday in Idaho and Western Montana with light NE flow aloft around upper trough over SW Idaho. Light NW-NE surface winds. Scattered showers South ID/SW MT. GOOD dispersion Central/Eastern Montana with NW-NE surface winds.

Monday 16 September Dispersion Forecast

MONTANA:

Northwest (AS 1, 2): GOOD.

West Central (AS 3A, 3B, 4, 5, 6): GOOD.

Southwest (AS 7, 8A, 8B): GOOD.

Central/Eastern (AS 9, 10): GOOD.   

 

IDAHO:

North (AS 11): GOOD.

North Central (AS 12A, 12B, 13): GOOD.

West Central (AS 14, 15, 21A): GOOD.

East Central (AS 16, 17): GOOD. 

Northeast (AS 18, 19): GOOD.

Southeast (AS 20): GOOD.

Southwest (AS 21B, 22, 23, 24, 25): GOOD.

Prepared by Michael Richmond/Coleen Haskell, Meteorologists NRCC