Weather Alert in Illinois

Recent Locations: Nemacolin, PA   Valier, PA   Cowden, IL  

Flood Warning issued July 15 at 8:50PM CDT until July 19 at 7:00PM CDT by NWS St Louis MO

AREAS AFFECTED: Pike, IL; Pike, MO

DESCRIPTION: ...The Flood Warning continues for the following river in Illinois... Missouri... Mississippi River at Hannibal. Mississippi River at Louisiana. Mississippi River at Clarksville. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Louisiana. * WHEN...Until Saturday evening. * IMPACTS...At 15.0 feet, The first quarter mile of Edison Avenue beyond the railroad tracks begins flooding near this height. * ADDITIONAL DETAILS... - At 8:30 PM CDT Tuesday the stage was 15.7 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM CDT Tuesday was 15.7 feet. - Forecast...The river is expected to rise to a crest of 15.7 feet just after midnight tonight. It will then fall below flood stage early Friday afternoon. - Flood stage is 15.0 feet.

INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx

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Current U.S. National Radar--Current

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North America Water Vapor (Moisture)

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North American Water Vapor Map

Weather Topic: What are Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

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

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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