Weather Alert in Iowa
Flood Warning issued August 3 at 9:53AM CDT until August 9 at 3:00AM CDT by NWS Quad Cities IA IL
AREAS AFFECTED: Louisa, IA
DESCRIPTION: ...The Flood Warning continues for the following rivers in Iowa... Cedar River near Conesville affecting Louisa and Muscatine Counties. Iowa River at Marengo affecting Iowa and Benton Counties. Iowa River at Oakville affecting Louisa County. Iowa River at Wapello affecting Louisa County. ...The Flood Warning is extended for the following rivers in Iowa... Cedar River at Cedar Rapids affecting Linn County. * WHAT...Minor flooding is occurring. * WHERE...Iowa River at Oakville. * WHEN...Until early Saturday morning. * IMPACTS...At 12.0 feet, Flooding of agricultural land is ongoing. Several county roads are under water and closed. * ADDITIONAL DETAILS... - At 9:00 AM CDT Sunday the stage was 11.7 feet. - Forecast...The river will rise to 11.8 feet this afternoon. It will then fall early Tuesday morning. It will rise to 12.0 feet Wednesday evening. It will then fall below flood stage Friday evening. - Flood stage is 11.0 feet.
INSTRUCTION: Caution is urged when walking near riverbanks. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. The next statement will be issued by Monday morning at 1000 AM CDT.
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Weather Topic: What are Mammatus Clouds?
Home - Education - Cloud Types - Mammatus Clouds
Next Topic: Nimbostratus Clouds
A mammatus cloud is a cloud with a unique feature which resembles
a web of pouches hanging along the base of the cloud.
In the United States, mammatus clouds tend to form in the warmer months, commonly
in the Midwest and eastern regions.
While they usually form at the bottom of a cumulonimbis cloud, they can also form
under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds
warn that severe weather is close.
Next Topic: Nimbostratus Clouds
Weather Topic: What is Precipitation?
Home - Education - Precipitation - Precipitation
Next Topic: Rain
Precipitation can refer to many different forms of water that
may fall from clouds. Precipitation occurs after a cloud has become saturated to
the point where its water particles are more dense than the air below the cloud.
In most cases, precipitation will reach the ground, but it is not uncommon for
precipitation to evaporate before it reaches the earth's surface.
When precipitation evaporates before it contacts the ground it is called Virga.
Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog
and mist are not considered precipitation because the water vapor which
constitutes them isn't dense enough to fall to the ground.
Next Topic: Rain
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