Weather Alert in South Carolina

Recent Locations: Scappoose, OR   Atkinson, NH   Duncan, SC  

Flash Flood Warning issued August 22 at 3:39PM EDT until August 22 at 6:00PM EDT by NWS Charleston SC

AREAS AFFECTED: Charleston, SC

DESCRIPTION: FFWCHS The National Weather Service in Charleston has extended the * Flash Flood Warning for... Charleston County in southeastern South Carolina... * Until 600 PM EDT. * At 339 PM EDT, emergency management reported roads that were closed in Mount Pleasant by flood waters earlier this afternoon are now open. However, radar shows pockets of moderate to heavy rainfall moving inland from off the Atlantic. The risk for additional flash flooding continues. Between 2 and 4 inches of rain has fallen in some areas this afternoon. An additional 1 to 2 inches could fall through 6 PM. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Emergency management reported. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Mount Pleasant, Isle Of Palms, Sullivan's Island, Mount Pleasant Towne Centre, Boone Hall Plantation, Sullivans Island, Seaside Farms, East Cooper Regional Medical Center, Hamlin Plantation and Snowden. This includes I-526 between mile markers 29 and 31.

INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

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Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

Cumulonimbus Clouds Next Topic: Cumulus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

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Weather Topic: What is Drizzle?

Home - Education - Precipitation - Drizzle

Drizzle Next Topic: Evaporation

Drizzle is precipitation in the form of water droplets which are smaller than raindrops.

Drizzle is characterized by fine, gently falling droplets and typically does not impact human habitation in a negative way. The exception to this is freezing drizzle, a condition where drizzle freezes immediately upon reaching earth's surface. Freezing drizzle is still less dangerous than freezing rain, but can potentially result in hazardous road conditions.

Next Topic: Evaporation

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