Weather Alert in Illinois
Flood Warning issued August 19 at 7:35PM CDT until August 20 at 7:51AM CDT by NWS Chicago IL
AREAS AFFECTED: DuPage, IL; Will, IL
DESCRIPTION: ...The Flood Warning is extended for the following rivers in Illinois... East Branch Du Page River at Bolingbrook affecting Will and DuPage Counties. Du Page River at Shorewood affecting Will County. For the East Branch Du Page River...including Bolingbrook...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...East Branch Du Page River from Maple Avenue in Lisle downstream to confluence with West Branch DuPage River, including the Bolingbrook gauge. * WHEN...Until tomorrow morning. * IMPACTS...At 20.0 feet, DuPage River Greenway Trail is threatened east of the river near Royce Road in Bolingbrook. Trails threatened at Green Valley Forest Preserve near Woodridge. * ADDITIONAL DETAILS... - At 6:40 PM CDT Tuesday the stage was 20.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 6:40 PM CDT Tuesday was 20.5 feet. - Forecast...The river is expected to fall below flood stage just after midnight tonight and continue falling to 15.2 feet Tuesday, August 26. - Flood stage is 20.0 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 Wednesday morning.
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Weather Topic: What is Freezing Rain?
Home - Education - Precipitation - 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
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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