Weather Alert in Illinois

Recent Locations: Ironton, MN   Pinckney, MI   Fowler, IL  

Flood Watch issued April 3 at 1:14AM CDT until April 6 at 10:00PM CDT by NWS Chicago IL

AREAS AFFECTED: Bureau; Putnam; La Salle

DESCRIPTION: ...The Flood Watch continues for the following rivers in Illinois... Illinois River at La Salle affecting Bureau, La Salle and Putnam zones. For the Illinois River (Upper)...including La Salle...flooding is possible. * WHAT...Flooding is possible. * WHERE...Illinois River from Starved Rock Lock and Dam downstream to confluence with Big Bureau Creek, including the La Salle gauge. * WHEN...From this afternoon to late Monday evening. * IMPACTS...At 20.0 feet, Agricultural areas in La Salle, Spring Valley, and Peru are inundated. * ADDITIONAL DETAILS... - At 12:45 AM CDT Friday the stage was 17.1 feet. - Forecast...Flood stage may be reached just after midnight tonight. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood

INSTRUCTION: A Flood Watch means water levels above flood stage are possible, but not yet certain, based upon the latest forecasts. Persons along rivers and streams in the watch area should monitor the latest forecasts and be prepared to take action should flooding develop. 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 this afternoon.

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Weather Topic: What is Freezing Rain?

Home - Education - Precipitation - Freezing Rain

Freezing Rain Next Topic: Graupel

Freezing rain is a condition where precipitation which has fallen in the form of water droplets reaches temperatures which are below freezing and freezes upon coming into contact with surface objects. The result of this precipitation is a glaze of ice which can be damaging to plants and man-made structures. A severe onset of freezing rain which results in a very thick glaze of ice is known as an ice storm.

Next Topic: Graupel

Weather Topic: What is Hail?

Home - Education - Precipitation - Hail

Hail Next Topic: Hole Punch Clouds

Hail is a form of precipitation which is recognized by large solid balls or clumps of ice. Hail is created by thunderstorm clouds with strong updrafts of wind. As the hailstones remain in the updraft, ice is deposited onto them until their weight becomes heavy enough for them to fall to the earth's surface.

Hail storms can cause significant damage to crops, aircrafts, and man-made structures, despite the fact that the duration is usually less than ten minutes.

Next Topic: Hole Punch Clouds

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