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 Altocumulus Clouds?
Home - Education - Cloud Types - Altocumulus Clouds
Next Topic: Altostratus Clouds
Similar to cirrocumulus clouds, altocumulus clouds are
characterized by cloud patches. They are distinguished by larger cloudlets
than cirrocumulus clouds but are still smaller than stratocumulus clouds.
Altocumulus clouds most commonly form in middle altitudes (between 2 and 5 km)
and may resemble, at times, the shape of a flying saucer.
These uncommon formations, called altocumulus lenticularis, are created by uplift
in the atmosphere and are most often seen in close proximity to mountains.
Next Topic: Altostratus Clouds
Weather Topic: What are Cirrocumulus Clouds?
Home - Education - Cloud Types - Cirrocumulus Clouds
Next Topic: Cirrostratus Clouds
Cirrocumulus clouds form at high altitudes (usually around 5 km)
and have distinguishing characteristics displayed in a fine layer of
small cloud patches. These small cloud patches are sometimes referred to as
"cloudlets" in relation to the whole cloud formation.
Cirrocumulus clouds are formed from ice crystals and water droplets. Often, the
water droplets in the cloud freeze into ice crystals and the cloud becomes a
cirrostratus cloud. Because of this common occurrence, cirrocumulus cloud
formations generally pass rapidly.
Next Topic: Cirrostratus Clouds
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