Weather Alert in Wisconsin
Flood Watch issued April 3 at 9:48PM CDT until April 8 at 1:00AM 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 Watch for the following rivers in Wisconsin... Baraboo River At Reedsburg affecting Sauk County. Baraboo River At Rock Springs affecting Sauk County. Baraboo River Near Baraboo affecting Columbia and Sauk Counties. * WHAT...Flooding is possible. * WHERE...Baraboo River near Baraboo. * WHEN...From Sunday afternoon to early Wednesday morning. * 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 9:00 PM CDT Friday the stage was 12.2 feet. - Forecast...Flood stage may be reached early Sunday afternoon. - Flood stage is 16.0 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. The next statement will be issued Saturday morning at 600 AM 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.
Next Topic: Rain
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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