Weather Alert in Illinois
Flood Watch issued July 25 at 5:30PM CDT until July 26 at 7:00PM CDT by NWS Chicago IL
AREAS AFFECTED: Kane; DuPage; Kendall; Grundy; Northern Cook; Central Cook; Southern Cook; Northern Will; Southern Will; Eastern Will; Lake
DESCRIPTION: * WHAT...Flash flooding caused by excessive rainfall due to repeated rounds of torrential rain-producing thunderstorms is possible. * WHERE...Cook, DuPage, Eastern Will, Grundy, Kane, Kendall, Will counties in Illinois and Lake county in Indiana. * WHEN...Through Saturday evening. * IMPACTS...Creeks and streams may rise out of their banks. In addition, roads and streets may flood, especially in areas where storm drains are clogged with debris. Finally, flooding of basements may occur if thunderstorms train over urban areas. * ADDITIONAL DETAILS... - Over the next 36 hours, several rounds of torrential rain- producing thunderstorms are possible in the watch area including over areas that experienced several inches of rain in the past few days. The tropical-like airmass will support rain rates in excess of 2 inches per hour in the strongest thunderstorms, leading to a threat for flash flooding. - http://www.weather.gov/safety/flood
INSTRUCTION: Monitor the latest forecasts and be prepared to take quick action should flooding develop.
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Weather Topic: What are Altocumulus Clouds?
Home - Education - Cloud Types - 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
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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