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AS 2
#170553 & 202606 - Monitor dispersion conditions and confirm
favorable wind direction/dispersion conditions with test fire. Monitor impact to adjacent roadways, adjust
as needed.
AS 5
#204221 - Monitor dispersion conditions and confirm favorable wind direction/dispersion conditions with test fire. Monitor impact to Butte area, adjust as needed.
MARGINAL smoke dispersion in Idaho and western Montana Today with southwest flow aloft and north-northwest surface winds. Scattered snow showers in central Idaho and southwest Montana. MARGINAL-GOOD smoke dispersion in central/eastern Montana with southwest flow aloft. Light and variable surface winds.
MARGINAL-GOOD smoke dispersion in Idaho and western Montana Tuesday with a trough of low pressure overhead and northwest surface winds. Widespread rain/snow showers. MARGINAL-GOOD smoke dispersion in central/eastern Montana with southwest flow aloft. Light and variable surface winds in central Montana but light northeast surface winds in eastern Montana. Rain and snow showers in southern half of Montana.
GOOD smoke dispersion in Idaho and western Montana Wednesday with northwest flow aloft and at the surface. Widespread rain/snow showers. GOOD smoke dispersion in central/eastern Montana with northwest flow aloft/trough of low pressure. Northwest surface winds.
MARGINAL smoke dispersion in Idaho and western Montana Thursday with southwest flow aloft ahead of a closed low pressure system over the Columbia Basin. Widespread rain/snow showers. GOOD smoke dispersion in central/eastern Montana with weak flow aloft/weak ridging. Northeast surface winds.
Tuesday 09 March Dispersion Forecast
MONTANA:
Northwest (AS 1, 2): POOR in AS 2, MARGINAL in AS 1.
West Central (AS 3A, 3B, 4, 5, 6): MARGINAL.
Southwest (AS 7, 8A, 8B): MARGINAL.
Central/Eastern (AS 9, 10): MARGINAL.
IDAHO:
North (AS 11): MARGINAL.
North Central (AS 12A, 12B, 13): MARGINAL.
West Central (AS 14, 15): MARGINAL.
East Central (AS 16, 17): MARGINAL.
Southeast (AS 18, 19, 20): GOOD.
Southwest (AS 21, 22, 23, 24): GOOD.
Prepared by Coleen Haskell, NRCC Meteorologist