Weather Alert in Illinois

Recent Locations: Spring Valley, IL   Addison, NY   Madison, IL  

Flood Warning issued April 4 at 11:29AM CDT until April 8 at 7:00PM CDT by NWS Chicago IL

AREAS AFFECTED: Lake, IL

DESCRIPTION: ...The National Weather Service in Chicago IL has issued a Flood Warning for the following rivers in Illinois... Des Plaines River near Gurnee affecting Lake IL County. For the Des Plaines River...including Russell, Gurnee, Lincolnshire...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Des Plaines River from US-41 in Gurnee downstream to Townline Road in Vernon Hills, including the Gurnee gauge. * WHEN...From this afternoon to Wednesday evening. * IMPACTS...At 7.0 feet, Forest land inundated near the river in Gurnee. * ADDITIONAL DETAILS... - At 10:30 AM CDT Saturday the stage was 6.8 feet. - Forecast...The river is expected to rise above flood stage late this afternoon to a crest of just under 8 feet tomorrow morning. It will then fall below flood stage sometime around the middle of next week. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood

INSTRUCTION: A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by late tonight.

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Weather Topic: What are Fractus Clouds?

Home - Education - Cloud Types - Fractus Clouds

Fractus Clouds Next Topic: Freezing Rain

A fractus cloud (scud) is a fragmented, tattered cloud which has likely been sheared off of another cloud. They are accessory clouds, meaning they develop from parent clouds, and are named in a way which describes the original cloud which contained them.

Fractus clouds which have originated from cumulus clouds are referred to as cumulus fractus, while fractus clouds which have originated from stratus clouds are referred to as stratus fractus. Under certain conditions a fractus cloud might merge with another cloud, or develop into a cumulus cloud, but usually a fractus cloud seen by itself will dissipate rapidly.

They are often observed on the leading and trailing edges of storm clouds, and are a display of wind activity.

Next Topic: Freezing Rain

Weather Topic: What is Graupel?

Home - Education - Precipitation - Graupel

Graupel Next Topic: Hail

Graupel is a form of precipitation that is created by atmospheric conditions which cause supercooled water droplets to contact snow crystals and freeze to their surface.

Sometimes known as soft hail or snow pellets, graupel is delicate and easily destroyed by touch. Whereas hail usually falls during severe weather, graupel doesn't require such conditions to form, and can form in mild precipitation similar to situations which produce snowfall.

Next Topic: Hail

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