Weather Alert in Illinois
Flood Warning issued May 4 at 8:06PM CDT until May 9 at 7:00AM CDT by NWS Lincoln IL
AREAS AFFECTED: Clay, IL; Richland, IL
DESCRIPTION: ...The Flood Warning continues for the following rivers in Illinois... Little Wabash River below Clay City affecting Richland and Clay Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Little Wabash River below Clay City. * WHEN...Until Friday morning. * IMPACTS...At 19.7 feet, Mayflower Road...just north of U.S. Route 50...begins to flood. * ADDITIONAL DETAILS... - At 7:45 PM CDT Sunday the stage was 19.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:45 PM CDT Sunday was 19.3 feet. - Forecast...The river is expected to rise to a crest of 19.8 feet early Tuesday afternoon. It will then fall below flood stage early Friday morning. - Flood stage is 18.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Additional information is available at www.weather.gov.
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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
Weather Topic: What are Cumulus Clouds?
Home - Education - Cloud Types - Cumulus Clouds
Next Topic: Drizzle
Cumulus clouds are fluffy and textured with rounded tops, and
may have flat bottoms. The border of a cumulus cloud
is clearly defined, and can have the appearance of cotton or cauliflower.
Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall,
becoming cumulus congestus and possibly the even taller cumulonimbus clouds.
When cumulus clouds become taller, they have a greater chance of producing precipitation.
Next Topic: Drizzle
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