Weather Alert in Montana
Winter Storm Watch issued March 31 at 10:34AM MDT until April 3 at 6:00AM MDT by NWS Missoula MT
AREAS AFFECTED: Bitterroot/Sapphire Mountains; Butte/Blackfoot Region; Potomac/Seeley Lake Region
DESCRIPTION: * WHAT...Heavy snow possible. There is a chance of moderate to major winter weather impacts. Total snow accumulations between 6 and 12 inches possible for terrain above 5500 feet, including MacDonald Pass, Homestake Pass, Lost Trail Pass and Lolo Pass. 2 to 6 inches possible down to 3000 feet, including Butte, Seeley Lake and Anaconda. Winds could gust as high as 35 mph. * WHERE...Butte, Highway 12 Garrison to Elliston, I-90 East Missoula to Bearmouth, Georgetown Lake, Highway 93 Sula to Lost Trail Pass, Highway 83 Seeley Lake to Condon, Lolo Pass, MacDonald Pass, Homestake Pass, and Highway 200 Bonner to Greenough. * WHEN...From Thursday morning through late Thursday night. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Thursday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...Heavy, wet snow may cause power outages and tree damage.
INSTRUCTION: Monitor the latest forecasts for updates on this situation.
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Weather Topic: What are Cumulonimbus Clouds?
Home - Education - Cloud Types - Cumulonimbus Clouds
Next Topic: Cumulus Clouds
The final form taken by a growing cumulus cloud is the
cumulonimbus cloud, which is very tall and dense.
The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although
most commonly they stop growing at an altitude of 6 km.
Even small cumulonimbus clouds appear very large in comparison to other cloud types.
They can signal the approach of stormy weather, such as thunderstorms or blizzards.
Next Topic: Cumulus Clouds
Weather Topic: What is Drizzle?
Home - Education - Precipitation - Drizzle
Next Topic: Evaporation
Drizzle is precipitation in the form of water droplets which are
smaller than raindrops.
Drizzle is characterized by fine, gently falling droplets and typically does not
impact human habitation in a negative way. The exception to this is freezing drizzle,
a condition where drizzle freezes immediately upon reaching earth's surface.
Freezing drizzle is still less dangerous than freezing rain, but can
potentially result in hazardous road conditions.
Next Topic: Evaporation
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