Weather Alert in Minnesota
Flood Warning issued August 21 at 10:02AM CDT by NWS Twin Cities/Chanhassen MN
AREAS AFFECTED: Redwood, MN; Renville, MN
DESCRIPTION: ...The Flood Warning is extended for the following rivers in Minnesota... Cottonwood River Above Springfield affecting Brown County. ...The Flood Warning continues for the following rivers in Minnesota... Minnesota River at Granite Falls HWY 212 affecting Yellow Medicine, Renville and Chippewa Counties. Minnesota River at Morton affecting Redwood and Renville Counties. Minnesota River at Montevideo affecting Yellow Medicine, Lac qui Parle and Chippewa Counties. ...The Flood Warning is cancelled for the following rivers in Minnesota... Cottonwood River at New Ulm affecting Brown County. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Minnesota River at Morton. * WHEN...Until further notice. * IMPACTS...At 24.0 feet, Fleischer Rd flooded in North Redwood; storm sewers closed off and bypass pumping begins. * ADDITIONAL DETAILS... - At 900 AM CDT Thursday, the stage was 24.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 900 AM CDT Thursday was 24.6 feet. - Forecast...The river is expected to fall to 22.5 feet Thursday, August 28. - Flood stage is 21.0 feet. - Flood History...This crest compares to a previous crest of 24.4 feet on 03/31/2009.
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks.
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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
Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds
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