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Burn Recommendations

Last Updated: 2018-10-19 14:34:31.630075 MST
Idaho

AS 11:   #172341 Gold Crown – if winds are N, NE go ahead; Sunday could be better dispersion.

#200100 Meadow Creek - monitor wind direction and dispersion conditions – adjust accordingly.

AS 14 : #177150 East Fork – conditional approval based on spot, shut down close to 1600pm if they proceed

AS 15:   # 176978 Least Fish – restrict (no burn) – acre size next to impact zone, wind direction – could try for Tuesday. Better dispersion expected.

AS 17:   #176086 Crone Gulch and #175694 Lick Creek – monitor conditions and choose ONE unit only.

No other Restrictions

Montana

AS #2 Priscilla 1000 ac on hold until frontal conditions arise based on call with smoke coordinator.

#173905 Firecracker Annie - Conditional approval, monitor burn impacts from 10/19 & residual burn impacts before proceeding.

#176964 Helwick 11, 14, 15 restricted today (no burn) due to poor ventilation conditions expected.

AS #4: #172782 LWF 62, #172786 LWF 9, #154129 School Pt Charlie - Limit burns to max acres 140 (do not burn all 3).

AS #6  #200982 Lincoln Compound restricted today due to high pressure and poor dispersion in Lincoln.

#174002 bsCE Unit 24a/25 restricted today due to poor dispersion.



Meteorology/Dispersion Discussion

Last Updated: 2018-10-18 07:33:44.085455 MST

POOR dispersion Today ID and Western MT with a broad upper level ridge of high pressure distributed over the Northern Rockies.  Light and variable surface winds. MARGINAL dispersion Central/Eastern MT with weak flow aloft. Light SE surface winds. 

MARGINAL dispersion Tuesday ID and Western MT with a weak upper trough of low pressure approaching from the West.  Light SW surface winds. MARGINAL dispersion Central MT but GOOD dispersion in Eastern MT with S-SE surface winds. 

MARGINAL dispersion Wednesday ID and Western MT with weak SW flow aloft and light SW surface winds.  MARGINAL-GOOD dispersion Central/Eastern MT but EXCELLENT along the Canadian Border with Westerly surface winds. 

Tuesday 23 October Dispersion Forecast

MONTANA

Northwest (AS 1, 2): MARGINAL. 

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

Southwest (AS 7, 8A, 8B): MARGINAL. 

Central/Eastern (AS 9, 10): MARGINAL West, GOOD East.


IDAHO:

North (AS 11): MARGINAL. 

North Central (AS 12A, 12B, 13): MARGINAL

West Central (AS 14, 15, 21): MARGINAL. 

East Central (AS 16, 17): MARGINAL.  

Northeast (AS 18, 19): MARGINAL. 

Southeast (AS 20): GOOD.  

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


Prepared by Coleen Haskell, Meteorologist NRCC