Show Information for:
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
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.
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