Weather Alert in Iowa
Flood Watch issued March 6 at 11:18AM CST by NWS Quad Cities IA IL
AREAS AFFECTED: Benton; Iowa
DESCRIPTION: ...The National Weather Service in Quad Cities IA IL has issued a Flood Watch for the following rivers in Iowa... Iowa River at Marengo affecting Benton and Iowa Counties. .A watch has been issued due to uncertainty with rainfall amounts and how much will soak into the ground. * WHAT...Flooding is possible. * WHERE...Iowa River at Marengo. * WHEN...From Monday afternoon until further notice. * IMPACTS...At 16.0 feet, Water affects agricultural land along the river. Water is several feet deep in places. * ADDITIONAL DETAILS... - At 11:00 AM CST Friday the stage was 7.5 feet. - Forecast...Flood stage may be reached Monday afternoon. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: If you are in the watch area, remain alert to possible flooding. Additional information is available at www.weather.gov/quadcities. The next statement will be issued by Saturday morning at 1130 AM CST.
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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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