Weather Alert in Minnesota
Flood Warning issued July 30 at 9:24PM 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 Morton affecting Renville and Redwood Counties. Minnesota River at Montevideo affecting Yellow Medicine, Chippewa and Lac qui Parle Counties. .No major changes since the previous forecast with flooding ongoing at both Morton and Montevideo. With no additional rainfall for the next few days, we expect to see Morton crest within the next 24-36 hours and Montevideo this weekend before gradually dropping back. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Minnesota River at Montevideo. * WHEN...Until further notice. * 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 800 PM CDT Wednesday, the stage was 14.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 800 PM CDT Wednesday was 14.4 feet. - Forecast...The river is expected to rise to a crest of 15.1 feet Sunday morning. - Flood stage is 14.0 feet. - Flood History...This crest compares to a previous crest of 15.1 feet on 04/14/1998.
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 is Rain?
Home - Education - Precipitation - Rain
Next Topic: Shelf Clouds
Precipitation in the form of water droplets is called rain.
Rain generally has a tendency to fall with less intensity over a greater period
of time, and when rainfall is more severe it is usually less sustained.
Rain is the most common form of precipitation and happens with greater frequency
depending on the season and regional influences. Cities have been shown to have
an observable effect on rainfall, due to an effect called the urban heat island.
Compared to upwind, monthly rainfall between twenty and forty miles downwind of
cities is 30% greater.
Next Topic: Shelf Clouds
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
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