Weather Alert in Wisconsin
Flood Warning issued April 4 at 10:52AM CDT until April 8 at 1:00PM CDT by NWS Milwaukee/Sullivan WI
AREAS AFFECTED: Columbia, WI; Sauk, WI
DESCRIPTION: ...The National Weather Service in Milwaukee/Sullivan WI has issued a Flood Warning for the following rivers in Wisconsin... Baraboo River Near Baraboo affecting Columbia and Sauk Counties. * WHAT...Minor flooding is forecast. * WHERE...Baraboo River near Baraboo. * WHEN...From Sunday evening to early Wednesday afternoon. * IMPACTS...At 18.0 feet, If Wisconsin River at Portage up to 17 feet also, water approaches gravel of I-39 off ramp to Cascade Mt Rd. There is widespread flooding of agricultural land. * ADDITIONAL DETAILS... - At 10:00 AM CDT Saturday the stage was 13.7 feet. - Bankfull stage is 14.0 feet. - Forecast...The river is expected to rise above flood stage tomorrow evening to a crest of 18.0 feet Tuesday morning. It will then fall below flood stage Wednesday morning. - Flood stage is 16.0 feet. - Flood History...This crest compares to a previous crest of 18.0 feet on 06/14/1947. - http://www.weather.gov/safety/flood
INSTRUCTION: Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov. The next statement will be issued this evening at 1100 PM CDT.
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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.
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Weather Topic: What are Shelf Clouds?
Home - Education - Cloud Types - Shelf Clouds
Next Topic: Sleet
A shelf cloud is similar to a wall cloud, but forms at the front
of a storm cloud, instead of at the rear, where wall clouds form.
A shelf cloud is caused by a series of events set into motion by the advancing
storm; first, cool air settles along the ground where precipitation has just fallen.
As the cool air is brought in, the warmer air is displaced, and rises above it,
because it is less dense. When the warmer air reaches the bottom of the storm cloud,
it begins to cool again, and the resulting condensation is a visible shelf cloud.
Next Topic: Sleet
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