Weather Alert in South Carolina
Flood Advisory issued September 6 at 6:06PM EDT until September 6 at 8:00PM EDT by NWS Columbia SC
AREAS AFFECTED: Kershaw, SC; Lexington, SC; Richland, SC
DESCRIPTION: * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of central South Carolina, including the following counties, Kershaw, Lexington and Richland. * WHEN...Until 800 PM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Some low-water crossings may become impassable. Ponding of water in urban or other areas is occurring or is imminent. * ADDITIONAL DETAILS... - At 603 PM EDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 1.5 inches of rain have fallen over the St. Andrews area and near Riverbanks Zoo and West Columbia into the Forest Acres area. - Additional rainfall amounts of 1 to 1.5 inches are possible over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Columbia, West Columbia, Cayce, Forest Acres, Springdale, Dentsville, St. Andrews, Oak Grove, Elgin, Arcadia Lakes, Woodfield, Sesquicentennial State Park, Killian, Five Points, Villages at Sandhill, Columbia International University, SC State Fair Grounds, West Columbia Riverwalk, Lake Carolina and Riverbanks Zoo. - This includes the following highways... Interstate 126 between mile markers 0 and 3. Interstate 26 between mile markers 106 and 113. Interstate 20 in South Carolina between mile markers 62 and 80. Interstate 77 between mile markers 11 and 23. - 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. Be aware of your surroundings and do not drive on flooded roads.
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Weather Topic: What are Wall Clouds?
Home - Education - Cloud Types - Wall Clouds
Next Topic: Altocumulus Clouds
A wall cloud forms underneath the base of a cumulonimbus cloud,
and can be a hotbed for deadly tornadoes.
Wall clouds are formed by air flowing into the cumulonimbus clouds, which can
result in the wall cloud descending from the base of the cumulonimbus cloud, or
rising fractus clouds which join to the base of the storm cloud as the wall cloud
takes shape.
Wall clouds can be very large, and in the Northern Hemisphere they generally
form at the southern edge of cumulonimbus clouds.
Next Topic: Altocumulus Clouds
Weather Topic: What are Altostratus Clouds?
Home - Education - Cloud Types - Altostratus Clouds
Next Topic: Cirrocumulus Clouds
Altostratus clouds form at mid to high-level altitudes
(between 2 and 7 km) and are created by a warm, stable air mass which causes
water vapor
to condense as it rise through the atmosphere. Usually altostratus clouds are
featureless sheets characterized by a uniform color.
In some cases, wind punching through the cloud formation may give it a waved
appearance, called altostratus undulatus. Altostratus clouds
are commonly seen with other cloud formations accompanying them.
Next Topic: Cirrocumulus Clouds
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