Weather Alert in Minnesota
Flood Warning issued August 22 at 9:51AM CDT by NWS Twin Cities/Chanhassen MN
AREAS AFFECTED: Chippewa, MN; Lac qui Parle, MN; Yellow Medicine, MN
DESCRIPTION: ...The National Weather Service in the Twin Cities has issued a Flood Warning for the following rivers in Minnesota... Minnesota River at Henderson MN19 affecting Sibley, Le Sueur and Scott Counties. Minnesota River near Jordan affecting Sibley, Scott and Carver Counties. ...Forecast flooding changed from Minor to Moderate severity for the following rivers in Minnesota... Minnesota River at Montevideo affecting Chippewa, Yellow Medicine and Lac qui Parle Counties. .As water from storms over the past few weeks continue to move through the Minnesota River more points will rise above flood stage. Based on current forecasts additional warnings downriver are not anticipated. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Minnesota River at Montevideo. * WHEN...Until further notice. * IMPACTS...At 17.0 feet, Storm sewers may need to be plugged to prevent water from backing up into streets. * ADDITIONAL DETAILS... - At 900 AM CDT Friday, the stage was 16.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 900 AM CDT Friday was 16.0 feet. - Forecast...The river is expected to maintain a crest of 16.0 feet this afternoon. - Flood stage is 14.0 feet. - Flood History...This crest compares to a previous crest of 16.0 feet on 03/25/1994.
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
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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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