Weather Alert in Wyoming

Recent Locations: Charleston, SC   Powell, WY  

Winter Weather Advisory issued April 27 at 1:23AM MDT until April 28 at 6:00PM MDT by NWS Riverton WY

AREAS AFFECTED: Bighorn Mountains West; Bighorn Mountains Southeast

DESCRIPTION: * WHAT...Snow expected. Total snow accumulations of 6 to 12 inches north of Powder River Pass; 4 to 8 inches south of Powder River Pass. Winds gusting as high as 45 mph. * WHERE...Bighorn Mountains Southeast and Bighorn Mountains West. * WHEN...From 6 AM to 6 PM MDT Monday. * IMPACTS...Travel could be difficult, including over Powder River and Granite Passes.

INSTRUCTION: Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info .

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Current U.S. National Radar--Current

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North America Water Vapor (Moisture)

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North American Water Vapor Map

Weather Topic: What are Cirrocumulus Clouds?

Home - Education - Cloud Types - Cirrocumulus Clouds

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

Weather Topic: What are Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

Cirrus Clouds Next Topic: Condensation

Cirrus clouds are high-level clouds that occur above 20,000 feet and are composed mainly of ice crystals. They are thin and wispy in appearance.

What do they indicate?
They are often the first sign of an approaching storm.

Next Topic: Condensation

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