Weather Alert in Illinois

Recent Locations: Escondido, CA   Pasadena, CA   Rockford, IL  

Special Weather Statement issued February 5 at 1:46AM CST by NWS Lincoln IL

AREAS AFFECTED: Champaign; Vermilion; Douglas; Coles; Edgar

DESCRIPTION: Dense freezing fog has formed across parts of eastern Illinois in the last couple of hours. Visibility will fall below one-half mile at times through early morning, leading to potentially hazardous travel conditions. Also, temperatures below freezing will lead to slick surfaces. This will include untreated roads, bridges, overpasses, parking lots, and sidewalks. Expect rapid changes in visibility over short distances, with visibility possibly even near zero at times. Be sure to slow down if you encounter dense fog. Use low beam headlights if driving, and leave plenty of distance between you and the vehicle ahead.

INSTRUCTION: N/A

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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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