Weather Alert in Minnesota
Flood Warning issued August 20 at 9:18PM CDT by NWS Twin Cities/Chanhassen MN
AREAS AFFECTED: Chippewa, MN; Renville, MN; Yellow Medicine, MN
DESCRIPTION: ...Forecast flooding changed to Minor severity and increased in duration for the following rivers in Minnesota... Cottonwood River at New Ulm affecting Brown County. Cottonwood River Above Springfield affecting Brown County. ...Forecast flooding changed to Minor severity for the following rivers in Minnesota... Minnesota River at Granite Falls HWY 212 affecting Yellow Medicine, Renville and Chippewa Counties. ...The Flood Warning continues for the following rivers in Minnesota... Minnesota River at Morton affecting Renville and Redwood Counties. Minnesota River at Montevideo affecting Yellow Medicine, Lac qui Parle and Chippewa Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Minnesota River at Granite Falls HWY 212. * WHEN...Until further notice. * IMPACTS...At 885.0 feet, Flood waters begin to reach the alley way along the river at the foot bridge. * ADDITIONAL DETAILS... - At 815 PM CDT Wednesday, the stage was 885.7 feet. - The river is slowly rising and nearing crest. - Forecast...The river is expected to rise to a crest of 885.8 feet Friday afternoon. - Flood stage is 885.0 feet. - Flood History...This crest compares to a previous crest of 886.0 feet on 06/22/2012.
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 is Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
Weather Topic: What are Stratocumulus Clouds?
Home - Education - Cloud Types - Stratocumulus Clouds
Next Topic: Stratus Clouds
Stratocumulus clouds are similar to altocumulus clouds in their
fluffy appearance, but have a slightly darker shade due to their additional mass.
A good way to distinguish the two cloud types is to hold your hand out and measure
the size of an individual cloud; if it is the size of your thumb it is generally
an altocumulus cloud, if it is the size of your hand it is generally a
stratocumulus cloud.
It is uncommon for stratocumulus clouds to produce precipitation, but if they do
it is usually a light rain or snow.
Next Topic: Stratus Clouds
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