Weather Alert in Iowa
Flood Warning issued August 1 at 9:15PM CDT until August 9 at 6:00PM CDT by NWS Quad Cities IA IL
AREAS AFFECTED: Benton, IA; Iowa, IA
DESCRIPTION: ...The Flood Warning continues for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties. Cedar River near Conesville affecting Muscatine and Louisa Counties. Cedar River at Cedar Rapids affecting Linn County. Iowa River at Oakville affecting Louisa County. Iowa River at Wapello affecting Louisa County. Iowa River at Marengo affecting Benton and Iowa Counties. ...The Flood Warning is cancelled for the following rivers in Iowa... North Skunk River near Sigourney affecting Keokuk County. ...The Flood Warning is expired for the following rivers in Iowa... English River at Kalona affecting Washington and Johnson Counties. * WHAT...Moderate flooding is occurring. * WHERE...Iowa River at Marengo. * WHEN...Until Saturday, August 09. * IMPACTS...At 17.0 feet, Moderate Flood Stage. Extensive inundation of agricultural land. * ADDITIONAL DETAILS... - At 8:00 PM CDT Friday the stage was 17.3 feet. - Forecast...The river is expected to hold steady through the weekend and then rise to a crest of 17.8 feet Tuesday morning. - Flood stage is 15.0 feet.
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Caution is urged when walking near riverbanks. The next statement will be issued by this evening at 1015 PM CDT.
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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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