Weather Alert in South Carolina
Flash Flood Warning issued August 22 at 6:47PM EDT until August 22 at 8:15PM EDT by NWS Charleston SC
AREAS AFFECTED: Berkeley, SC; Charleston, SC; Dorchester, SC
DESCRIPTION: At 647 PM EDT, emergency management officials reported flash flooding is still ongoing across much of the Charleston Metro Area. Many roads are reported closed and flooded across Downtown Charleston, North Charleston and surrounding communities. Radar shows bands of moderate to locally heavy rain expanding across the Metro area again. This will worsen ongoing flash flooding, especially as an elevated high tide approaches. As much as 3 to 6 inches have fallen so far today. An additional inch could fall. Tides in the Charleston Harbor are expected to reach between 7.7 and 7.9 ft MLLW, which is well into the moderate flood range. With drainage systems full of saltwater, any heavy rainfall that falls will immediately result in additional flooding. In addition, people along Church Creek in West Ashley should carefully monitor water levels this evening. Flooding could develop in neighborhoods near the creek, including areas along Winners Circle. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Emergency management reported. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... North Charleston, Mount Pleasant, Goose Creek, Hanahan, West Ashley, Downtown Charleston, I-26/I-526 Interchange, James Island, Johns Island and Daniel Island. This includes the following highways... I-26 between mile markers 208 and 221. I-526 between mile markers 11 and 29.
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Report flooding directly to the Charleston National Weather Service at 1-888-383-2024 or email your reports to nws.charlestonsc@noaa.gov.
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Weather Topic: What is Freezing Rain?
Home - Education - Precipitation - Freezing Rain
Next Topic: Graupel
Freezing rain is a condition where precipitation which has fallen in the form of
water droplets reaches temperatures which are below freezing and freezes upon
coming into contact
with surface objects. The result of this precipitation is a glaze of ice which
can be damaging to plants and man-made structures. A severe onset of freezing
rain which results in a very thick glaze of ice is known as an ice storm.
Next Topic: Graupel
Weather Topic: What is Hail?
Home - Education - Precipitation - Hail
Next Topic: Hole Punch Clouds
Hail is a form of precipitation which is recognized by large solid balls or
clumps of ice. Hail is created by thunderstorm clouds with strong updrafts of wind.
As the hailstones remain in the updraft, ice is deposited onto them until their
weight becomes heavy enough for them to fall to the earth's surface.
Hail storms can cause significant damage to crops, aircrafts, and man-made structures,
despite the fact that the duration is usually less than ten minutes.
Next Topic: Hole Punch Clouds
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