Weather Alert in Minnesota
Flood Warning issued August 23 at 9:13PM CDT by NWS Twin Cities/Chanhassen MN
AREAS AFFECTED: Chippewa, MN; Lac qui Parle, MN; Yellow Medicine, MN
DESCRIPTION: ...The Flood Warning continues for the following rivers in Minnesota... Minnesota River at New Ulm affecting Nicollet, Brown and Blue Earth Counties. Minnesota River at Henderson MN19 affecting Scott, Sibley and Le Sueur Counties. Minnesota River near Jordan affecting Sibley, Carver and Scott Counties. 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 extended for the following rivers in Minnesota... Redwood River near Redwood Falls affecting Redwood County. ...The Flood Warning is cancelled for the following rivers in Minnesota... Cottonwood River Above Springfield affecting Brown County. * 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 800 PM CDT Saturday, the stage was 16.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 800 PM CDT Saturday was 16.0 feet. - Forecast...The river will hold steady at 16 feet for the next several days. - Flood stage is 14.0 feet.
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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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