Weather Alert in South Carolina
Flood Advisory issued August 14 at 4:19AM EDT until August 16 at 2:00AM EDT by NWS Columbia SC
AREAS AFFECTED: Lexington, SC; Richland, SC
DESCRIPTION: ...The Flood Advisory continues for the following rivers in South Carolina... Congaree River At Congaree River at Columbia affecting Richland and Lexington Counties. * WHAT...Flooding caused by excessive rainfall continues. * WHERE...Congaree River at Congaree River at Columbia. * WHEN...Until early Saturday morning. * IMPACTS...At 10.0 feet, Flooding occurs in flood prone areas near and downstream from Columbia. Flooding also occurs on parts of the Cayce and West Columbia river walk. At 13.0 feet, Flooding occurs in flood prone areas near and downstream from Columbia. Flooding also occurs over much of the Cayce and West Columbia river walk. At 14.0 feet, Roads in low lying areas and swampland downstream from Columbia become flooded. Most of the Cayce and West Columbia river walk is flooded. * ADDITIONAL DETAILS... - At 4:00 AM EDT Thursday the stage was 12.9 feet. - Bankfull stage is 19.0 feet. - Forecast...The river is expected to fall to 5.9 feet Monday evening. - Action stage is 10.0 feet. - Flood stage is 19.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov. The next statement will be issued this afternoon at 430 PM EDT.
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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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