Weather Alert in Illinois
Flood Warning issued August 19 at 7:35PM CDT until August 20 at 2:00PM CDT by NWS Chicago IL
AREAS AFFECTED: 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...Du Page River from IL-59 in Plainfield downstream to confluence with Des Plaines River, including the Shorewood gauge. * WHEN...Until early tomorrow afternoon. * IMPACTS...At 16.0 feet, Clark Drive threatened in Shorewood. * ADDITIONAL DETAILS... - At 6:45 PM CDT Tuesday the stage was 15.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 6:45 PM CDT Tuesday was 15.9 feet. - Forecast...The river is expected to fall below flood stage tomorrow morning and continue falling to 11.2 feet Tuesday, August 26. - Flood stage is 15.5 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 are Cirrus Clouds?
Home - Education - Cloud Types - Cirrus Clouds
Next Topic: Condensation
Cirrus clouds are high-level clouds that occur above 20,000 feet
and are composed mainly of ice crystals.
They are thin and wispy in appearance.
What do they indicate?
They are often the first sign of an approaching storm.
Next Topic: Condensation
Weather Topic: What are Contrails?
Home - Education - Cloud Types - Contrails
Next Topic: Cumulonimbus Clouds
A contrail is an artificial cloud, created by the passing of an
aircraft.
Contrails form because water vapor in the exhaust of aircraft engines is suspended
in the air under certain temperatures and humidity conditions. These contrails
are called exhaust contrails.
Another type of contrail can form due to a temporary reduction in air pressure
moving over the plane's surface, causing condensation.
These are called aerodynamic contrails.
When you can see your breath on a cold day, it is also because of condensation.
The reason contrails last longer than the condensation from your breath is
because the water in contrails freezes into ice particles.
Next Topic: Cumulonimbus Clouds
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