Weather Alert in Montana

Recent Locations: Chester, ID   Lowell, MI   Saint Ignatius, MT  

Winter Storm Watch issued June 19 at 1:59PM MDT until June 22 at 12:00PM MDT by NWS Great Falls MT

AREAS AFFECTED: East Glacier Park Region

DESCRIPTION: * WHAT...Heavy wet snow possible. Total snow accumulations up to 6 inches below 6000 feet, with 12 to 24 inches above 6000 feet. Winds could gust as high as 45 mph. * WHERE...East Glacier Park Region Zone. * WHEN...From Saturday afternoon through Sunday morning. * IMPACTS...Hazardous travel conditions, especially on Going-to-the-Sun Road, Looking Glass Road, and US Hwy 89 over the Hudson Bay Divide. Dangerous backcountry conditions, especially for those hiking in areas of exposure due to icy trail conditions and or those camping in the backcountry. The combination of heavy, wet snow accumulating on trees and powerlines along with the gusty winds may lead to power outages and downed trees.

INSTRUCTION: Monitor the latest forecasts for updates on this situation.

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Weather Topic: What are Wall Clouds?

Home - Education - Cloud Types - Wall Clouds

Wall Clouds Next Topic: Altocumulus Clouds

A wall cloud forms underneath the base of a cumulonimbus cloud, and can be a hotbed for deadly tornadoes.

Wall clouds are formed by air flowing into the cumulonimbus clouds, which can result in the wall cloud descending from the base of the cumulonimbus cloud, or rising fractus clouds which join to the base of the storm cloud as the wall cloud takes shape.

Wall clouds can be very large, and in the Northern Hemisphere they generally form at the southern edge of cumulonimbus clouds.

Next Topic: Altocumulus Clouds

Weather Topic: What are Altostratus Clouds?

Home - Education - Cloud Types - Altostratus Clouds

Altostratus Clouds Next Topic: Cirrocumulus Clouds

Altostratus clouds form at mid to high-level altitudes (between 2 and 7 km) and are created by a warm, stable air mass which causes water vapor to condense as it rise through the atmosphere. Usually altostratus clouds are featureless sheets characterized by a uniform color.

In some cases, wind punching through the cloud formation may give it a waved appearance, called altostratus undulatus. Altostratus clouds are commonly seen with other cloud formations accompanying them.

Next Topic: Cirrocumulus Clouds

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