Weather Alert in Montana

Recent Locations: Birch River, WV   Carlsbad, NM   Big Sky, MT  
Current Alerts for Big Sky, MT: High Wind Warning

High Wind Warning issued February 24 at 11:39PM MST until February 25 at 11:00PM MST by NWS Great Falls MT

AREAS AFFECTED: East Glacier Park Region; Northern High Plains; Southern Rocky Mountain Front; Southern High Plains

DESCRIPTION: * WHAT...For the first High Wind Warning, west winds 40 to 50 mph with gusts up to 85 mph expected. For the second High Wind Warning, west winds 45 to 55 mph with gusts up to 90 mph expected. Winds may gust over 100 mph at times along the immediate eastern slopes of the Rocky Mountain Front. * WHERE...The Rocky Mountain Front and adjacent foothills and plains. * WHEN...For the first High Wind Warning, until 11 PM MST Wednesday. For the second High Wind Warning, from midnight Wednesday Night to 11 AM MST Friday. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be dangerous, especially for high profile or light weight vehicles. * ADDITIONAL DETAILS...Those operating high profile or light weight vehicles should consider delaying travel.

INSTRUCTION: People are urged to secure loose objects that could be blown around or damaged by the wind. Monitor the latest forecasts and warnings for updates.

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Weather Topic: What are Mammatus Clouds?

Home - Education - Cloud Types - Mammatus Clouds

Mammatus Clouds Next Topic: Nimbostratus Clouds

A mammatus cloud is a cloud with a unique feature which resembles a web of pouches hanging along the base of the cloud.

In the United States, mammatus clouds tend to form in the warmer months, commonly in the Midwest and eastern regions.

While they usually form at the bottom of a cumulonimbis cloud, they can also form under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds warn that severe weather is close.

Next Topic: Nimbostratus Clouds

Weather Topic: What is Precipitation?

Home - Education - Precipitation - Precipitation

Precipitation Next Topic: Rain

Precipitation can refer to many different forms of water that may fall from clouds. Precipitation occurs after a cloud has become saturated to the point where its water particles are more dense than the air below the cloud.

In most cases, precipitation will reach the ground, but it is not uncommon for precipitation to evaporate before it reaches the earth's surface. When precipitation evaporates before it contacts the ground it is called Virga. Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog and mist are not considered precipitation because the water vapor which constitutes them isn't dense enough to fall to the ground.

Next Topic: Rain

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