Weather Alert in South Dakota
Flood Warning issued August 23 at 9:47AM CDT until August 25 at 1:00PM CDT by NWS Sioux Falls SD
AREAS AFFECTED: Beadle, SD
DESCRIPTION: ...The Flood Warning continues for the following rivers in South Dakota... James River at Huron affecting Beadle County. Big Sioux River near Bruce affecting Brookings County. Big Sioux River near Estelline affecting Brookings and Hamlin Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...James River at Huron. * WHEN...Until early Monday afternoon. * IMPACTS...At 11.5 feet, Rural and agricultural areas begin to experience flooding * ADDITIONAL DETAILS... - At 9:00 AM CDT Saturday the stage was 11.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 AM CDT Saturday was 12.0 feet. - Forecast...The river is expected to fall below flood stage early tomorrow afternoon and continue falling to 10.5 feet Saturday, August 30. - Flood stage is 11.5 feet. - Stay up to date with the latest river observations and forecasts at: www.water.noaa.gov
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Additional forecast information is available at www.weather.gov/siouxfalls. The next statement will be issued by Sunday afternoon.
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Weather Topic: What are Hole Punch Clouds?
Home - Education - Cloud Types - Hole Punch Clouds
Next Topic: Mammatus Clouds
A hole punch cloud is an unusual occurrence when a disk-shaped
hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.
When part of the cloud forms ice crystals, water droplets in the surrounding area
of the cloud evaporate. The effect of this process produces a large elliptical
gap in the cloud. The hole punch cloud formation is rare, but it is not specific
to any geographic area.
Other names which have been used to describe this phenomena include fallstreak hole,
skypunch, and cloud hole.
Next Topic: Mammatus Clouds
Weather Topic: What are Nimbostratus Clouds?
Home - Education - Cloud Types - Nimbostratus Clouds
Next Topic: Precipitation
A nimbostratus cloud is similar to a stratus cloud in its formless,
smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud,
because it is thicker.
Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat
of moderate to heavy precipitation. In some cases, the precipitation may evaporate
before reaching the ground, a phenomenon known as virga.
Next Topic: Precipitation
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