Weather Alert in Wisconsin
Flood Warning issued August 20 at 8:18PM CDT until August 21 at 7:00PM CDT by NWS La Crosse WI
AREAS AFFECTED: Buffalo, WI; Trempealeau, WI
DESCRIPTION: ...The Flood Warning is extended for the following rivers in Wisconsin... Trempealeau River at Dodge affecting Trempealeau and Buffalo Counties. ...The Flood Warning continues for the following rivers in Iowa... Turkey River at Elkader affecting Clayton County. ...The Flood Warning is cancelled for the following rivers in Iowa... Cedar River at Charles City affecting Floyd County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Trempealeau River at Dodge. * WHEN...Until tomorrow evening. * IMPACTS...At 11.0 feet, The railroad bridge about three quarters of a mile upstream from the gage can restrict the flow. * ADDITIONAL DETAILS... - At 7:00 PM CDT Wednesday the stage was 10.8 feet. - Bankfull stage is 7.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:00 PM CDT Wednesday was 10.9 feet. - Forecast...The river is expected to fall below flood stage tomorrow morning and continue falling to 8.0 feet Wednesday, August 27. - Flood stage is 10.5 feet. - Flood History...This crest compares to a previous crest of 10.8 feet on 09/24/1986. - http://www.weather.gov/safety/flood
INSTRUCTION: Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional river and weather information is available at www.weather.gov/lacrosse. The next statement will be issued this evening by 930 PM CDT.
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Weather Topic: What are Hole Punch Clouds?
Home - Education - Cloud Types - Hole Punch Clouds
Next Topic: Mammatus Clouds
A hole punch cloud is an unusual occurrence when a disk-shaped
hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.
When part of the cloud forms ice crystals, water droplets in the surrounding area
of the cloud evaporate. The effect of this process produces a large elliptical
gap in the cloud. The hole punch cloud formation is rare, but it is not specific
to any geographic area.
Other names which have been used to describe this phenomena include fallstreak hole,
skypunch, and cloud hole.
Next Topic: Mammatus Clouds
Weather Topic: What are Nimbostratus Clouds?
Home - Education - Cloud Types - Nimbostratus Clouds
Next Topic: Precipitation
A nimbostratus cloud is similar to a stratus cloud in its formless,
smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud,
because it is thicker.
Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat
of moderate to heavy precipitation. In some cases, the precipitation may evaporate
before reaching the ground, a phenomenon known as virga.
Next Topic: Precipitation
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