Weather Alert in California

Recent Locations: Sacramento, CA   Kyle, TX  

Winter Weather Advisory issued April 25 at 8:13PM PDT until April 26 at 11:00PM PDT by NWS San Diego CA

AREAS AFFECTED: San Bernardino County Mountains

DESCRIPTION: * WHAT...Wet snow expected. Total snow accumulations up to 5 inches. Winds gusting as high as 45 mph. * WHERE...San Bernardino County Mountains. * WHEN...From 9 AM to 11 PM PDT Saturday. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches.

INSTRUCTION: Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.

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Current U.S. National Radar--Current

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Current U.S. National Radar

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North America Water Vapor (Moisture)

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North American Water Vapor Map

Weather Topic: What are Altocumulus Clouds?

Home - Education - Cloud Types - Altocumulus Clouds

Altocumulus Clouds Next Topic: Altostratus Clouds

Similar to cirrocumulus clouds, altocumulus clouds are characterized by cloud patches. They are distinguished by larger cloudlets than cirrocumulus clouds but are still smaller than stratocumulus clouds.

Altocumulus clouds most commonly form in middle altitudes (between 2 and 5 km) and may resemble, at times, the shape of a flying saucer. These uncommon formations, called altocumulus lenticularis, are created by uplift in the atmosphere and are most often seen in close proximity to mountains.

Next Topic: Altostratus Clouds

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

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