Weather Alert in California

Recent Locations: Webster, SD   Lewiston, CA  

Extreme Heat Warning issued July 7 at 9:32PM PDT until July 10 at 8:00PM PDT by NWS San Diego CA

AREAS AFFECTED: Coachella Valley; San Diego County Deserts

DESCRIPTION: * WHAT...Dangerously hot conditions with high temperatures of 114 to 118 degrees expected. * WHERE...Coachella Valley and San Diego County Deserts. * WHEN...From 10 AM Wednesday to 8 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Risk for heat-related illnesses for most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration.

INSTRUCTION: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

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Current U.S. National Radar--Current

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North America Water Vapor (Moisture)

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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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