Weather Alert in Minnesota
Flood Warning issued July 17 at 10:41AM CDT until July 21 at 1:00PM CDT by NWS Twin Cities/Chanhassen MN
AREAS AFFECTED: Chippewa, MN; Lac qui Parle, MN; Yellow Medicine, MN
DESCRIPTION: ...The Flood Warning is extended for the following rivers in Minnesota... Minnesota River at Morton affecting Redwood and Renville Counties. ...The Flood Warning continues for the following rivers in Minnesota... Minnesota River at Montevideo affecting Lac qui Parle, Yellow Medicine and Chippewa Counties. .Area rivers are forecast to continue to fall through the weekend. Additional rainfall is expected next week, but this is not in the current river forecast. * WHAT...Minor flooding is occurring and forecast to continue. * WHERE...Minnesota River at Montevideo. * WHEN...Until Monday afternoon. * IMPACTS...At 14.0 feet, Low lying areas and some roads along the river begin flooding, along with some basements of houses along the river. * ADDITIONAL DETAILS... - At 1000 AM CDT Thursday, the stage was 14.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 1000 AM CDT Thursday was 14.6 feet. - Forecast...The river is expected to fall below flood stage Sunday evening and continue falling to 12.4 feet Thursday, July 24. - 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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