Weather Alert in Illinois

Recent Locations: Kiester, MN   Ironton, MN   Delavan, IL  
Current Alerts for Delavan, IL: Flood Warning

Flood Warning issued April 3 at 12:14PM EDT until April 13 at 5:37PM EDT by NWS Indianapolis IN

AREAS AFFECTED: Clark, IL; Crawford, IL; Sullivan, IN; Vigo, IN

DESCRIPTION: ...The Flood Warning continues for the following rivers in Indiana... Illinois... Wabash River at Covington. Wabash River at Montezuma. Wabash River at Terre Haute. Wabash River at Lafayette. ...The Flood Warning is extended for the following rivers in Indiana...Illinois... Wabash River at Hutsonville Legacy Power Plant Site. .Multiple rounds of rainfall have brought lowland flooding to the Wabash River basin. The Wabash is expected to crest at Lafayette on Sunday, but the crest is not expected to reach the lower Wabash until the weekend of April 11th. The current river forecast includes expected rainfall amounts of 0.75 to 1.25 inches in the Wabash basin through Sunday morning, when dry weather is expected to move into the area. Variations from those expected amounts could change the crests as well as the amount of time spent in flood at any given location. * WHAT...Minor flooding is forecast. * WHERE...Wabash River at Terre Haute. * WHEN...From this afternoon to Monday, April 13. * IMPACTS...At 21.0 feet, The Wabash River extends to Interstate 70 Mile Marker Number 4 from its west bank in the Terre Haute and West Terre Haute area. All lakes in this area are affected by seep water and reach capacity with some minor flooding. * ADDITIONAL DETAILS... - At 11:30 AM EDT Friday /10:30 AM CDT Friday/ the stage was 16.0 feet. - Forecast...The river is expected to rise above flood stage late this afternoon to a crest of 21.2 feet early Wednesday morning. It will then fall below flood stage Monday, April 13. - Flood stage is 16.5 feet. - http://www.weather.gov/safety/flood

INSTRUCTION: Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Those with interests along area rivers should monitor for forecast updates through the weekend. Additional information is available at www.weather.gov/ind. The next statement should be issued this evening by around 1130 PM EDT /1030 PM CDT/.

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Weather Topic: What is Sleet?

Home - Education - Precipitation - Sleet

Sleet Next Topic: Snow

Sleet is a form of precipitation in which small ice pellets are the primary components. These ice pellets are smaller and more translucent than hailstones, and harder than graupel. Sleet is caused by specific atmospheric conditions and therefore typically doesn't last for extended periods of time.

The condition which leads to sleet formation requires a warmer body of air to be wedged in between two sub-freezing bodies of air. When snow falls through a warmer layer of air it melts, and as it falls through the next sub-freezing body of air it freezes again, forming ice pellets known as sleet. In some cases, water droplets don't have time to freeze before reaching the surface and the result is freezing rain.

Next Topic: Snow

Weather Topic: What are Stratocumulus Clouds?

Home - Education - Cloud Types - Stratocumulus Clouds

Stratocumulus Clouds Next Topic: Stratus Clouds

Stratocumulus clouds are similar to altocumulus clouds in their fluffy appearance, but have a slightly darker shade due to their additional mass.

A good way to distinguish the two cloud types is to hold your hand out and measure the size of an individual cloud; if it is the size of your thumb it is generally an altocumulus cloud, if it is the size of your hand it is generally a stratocumulus cloud.

It is uncommon for stratocumulus clouds to produce precipitation, but if they do it is usually a light rain or snow.

Next Topic: Stratus Clouds

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