Weather Alert in Montana

Recent Locations: Snelling, CA   Ida, MI   Harlem, MT  
Current Alerts for Harlem, MT: High Wind Watch

Winter Storm Watch issued April 1 at 1:45PM MDT until April 4 at 6:00AM MDT by NWS Billings MT

AREAS AFFECTED: Custer; Fallon; Powder River; Carter

DESCRIPTION: * WHAT...Periods of heavy snow. Total snow accumulations between 5 and 8 inches possible. Winds could gust as high as 35 mph. * WHERE...Carter, Custer, Fallon, and Powder River. * WHEN...From late Thursday night through late Friday night. * IMPACTS...Travel could be very difficult due to snow, areas of blowing snow and poor visibility. This includes Highway 12 from Miles City to Baker, and US-212 from Broadus to Alzada. Cool, wet and windy conditions will be hazardous for young livestock. * ADDITIONAL DETAILS...The heaviest snow is expected Thursday night into Friday morning.

INSTRUCTION: Slow down and use caution while traveling. For the latest road conditions, call 5 1 1.

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Current U.S. National Radar--Current

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National Weather Forecast--Current

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North America Water Vapor (Moisture)

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Weather Topic: What is Condensation?

Home - Education - Precipitation - Condensation

Condensation Next Topic: Contrails

Condensation is the process which creates clouds, and therefore it is a crucial process in the water cycle. Condensation is the change of matter from a state of gas into a state of liquid, and it happens because water molecules release heat into the atmosphere and become organized into a more closely packed structure, what we might see as water droplets.

Water is always present in the air around us as a vapor, but it's too small for us to see. When water undergoes the process of condensation it becomes organized into visible water droplets. You've probably seen condensation happen before on the surface of a cold drink!

Next Topic: Contrails

Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

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

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