Weather Alert in Montana

Recent Locations: Queen Creek, AZ   Philmont, NY   Joliet, MT  
Current Alerts for Joliet, MT: High Wind Warning

Winter Storm Warning issued March 12 at 2:01PM MDT until March 15 at 6:00AM MDT by NWS Billings MT

AREAS AFFECTED: Pryor/Northern Bighorn Mountains; Northeast Bighorn Mountains

DESCRIPTION: * WHAT...Prolonged periods of snow expected. Total snow accumulations between 10 and 20 inches. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...From 6 PM this evening to 6 AM MDT Sunday. * IMPACTS...Recreation in the high country could be severely impacted by heavy accumulating snow. Travel could be very difficult, including along US-14 through Burgess Junction. Blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...Snow may not begin falling on the north aspects until Friday night.

INSTRUCTION: If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. 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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