Weather Alert in South Carolina
Flood Warning issued August 12 at 1:22PM EDT until August 17 at 9:30PM EDT by NWS Columbia SC
AREAS AFFECTED: Calhoun, SC; Richland, SC
DESCRIPTION: ...The Flood Warning continues for the following rivers in South Carolina... Congaree River At Carolina Eastman affecting Lexington, Calhoun and Richland Counties. Congaree River At Congaree River at Congaree NP Near Gadsden affecting Calhoun and Richland Counties. * WHAT...Minor flooding is forecast. * WHERE...Congaree River at Congaree River at Congaree NP Near Gadsden. * WHEN...From late tonight to late Sunday evening. * IMPACTS...At 15.0 feet, Flooding begins in the Congaree National Park. This will begin to produce flooding of portions of the lower boardwalk. At 17.0 feet, The access road to the Sandy Run subdivision becomes flooded. The lower boardwalk in the Congaree National Park becomes flooded by Cedar Creek. * ADDITIONAL DETAILS... - At 1:00 PM EDT Tuesday the stage was 10.3 feet. - Bankfull stage is 14.0 feet. - Forecast...The river is expected to rise above flood stage just after midnight tonight to a crest of 17.0 feet early Thursday morning. It will then fall below flood stage late Saturday evening. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: Most flooding deaths occur in vehicles. Never drive through a flooded roadway or around barricades. Turn around, don't drown. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov. The next statement will be issued bylate tonight at 130 AM EDT.
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Weather Topic: What is Graupel?
Home - Education - Precipitation - Graupel
Next Topic: Hail
Graupel is a form of precipitation that is created by atmospheric conditions
which cause supercooled water droplets to contact snow crystals and freeze to
their surface.
Sometimes known as soft hail or snow pellets, graupel is delicate and easily
destroyed by touch. Whereas hail usually falls during severe weather, graupel
doesn't require such conditions to form, and can form in mild precipitation
similar to situations which produce snowfall.
Next Topic: Hail
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
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