Weather Alert in Illinois
Flood Warning issued April 3 at 8:37PM CDT by NWS St Louis MO
AREAS AFFECTED: Clinton, IL
DESCRIPTION: ...The Flood Warning continues for the following rivers in Missouri...Illinois... Meramec River near Sullivan. Meramec River near Steelville. Meramec River near Eureka. Meramec River at Pacific. Meramec River at Valley Park. Meramec River near Arnold. Meramec River at Fenton. Kaskaskia River at Carlyle. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Kaskaskia River at Carlyle. * WHEN...Until further notice. * IMPACTS...At 18.5 feet, Near this level, the Corps will call partners to alert them to these elevated flows anticipated at or above 5000 cfs. * ADDITIONAL DETAILS... - At 8:00 PM CDT Thursday the stage was 16.4 feet. - Forecast...The river is expected to rise above flood stage late this evening and continue rising to 18.5 feet early Saturday morning. Additional rises are possible thereafter. - Flood stage is 16.5 feet.
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Rainfall heavier than forecast could cause river levels to rise even higher than predicted. The National Weather Service will monitor this developing situation and issue follow up statements as conditions change. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
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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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