Active Weather Alerts
Flash Flood Warning
Issued: 7:51 PM Aug. 22, 2025 – National Weather Service
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING FOR BERKELEY, CHARLESTON AND DORCHESTER COUNTIES... At 351 PM EDT, Emergency management officials reported flood waters were beginning to force the closures of roadways near Summerville and water was starting to enter some structures. Flash flooding is also impacting other parts of Dorchester County. At 349 PM, doppler radar indicated thunderstorms with torrential rainfall extending from Knightsville and Slandsville to Goose Creek and Pimlico. As much as 2 to 5 inches of rain have fallen in this area today. An additional 2 to 4 inches could fall through 6 PM, resulting in flash flooding. Additional road closures are likely. Dorchester County Emergency Management is requesting that people stay off the roads and remain at home. 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, Summerville, Goose Creek, Hanahan, Ladson, Givhans Ferry State Park, Ridgeville, Sangaree, College Park and Knightsville. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && FLASH FLOOD...OBSERVED; FLASH FLOOD DAMAGE THREAT...CONSIDERABLE; EXPECTED RAINFALL RATE...1-2.25 INCHES IN 1 HOUR
Flash Flood Warning
Issued: 7:00 PM Aug. 22, 2025 – National Weather Service
The National Weather Service in Charleston has extended the * Flash Flood Warning for... Berkeley County in southeastern South Carolina... Charleston County in southeastern South Carolina... Dorchester County in southeastern South Carolina... * Until 515 PM EDT. * At 300 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. While the risk for heavy rainfall will continue to diminish through the late afternoon, it will take some time for conditions to improve. As much as 2 to 5 inches of rain has fallen across the Metro Area today. A new daily rainfall record has also been set at the Charleston International Airport. 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... 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && FLASH FLOOD...OBSERVED
Flood Watch
Issued: 5:34 PM Aug. 22, 2025 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE SATURDAY NIGHT... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southeast Georgia, including the following areas, Bulloch, Candler, Coastal Bryan, Coastal Chatham, Coastal Liberty, Coastal McIntosh, Effingham, Evans, Inland Bryan, Inland Chatham, Inland Liberty, Inland McIntosh, Jenkins, Long, Screven and Tattnall and southeast South Carolina, including the following areas, Allendale, Beaufort, Charleston, Coastal Colleton, Coastal Jasper, Dorchester, Hampton, Inland Berkeley, Inland Colleton, Inland Jasper and Tidal Berkeley. * WHEN...Through late Saturday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. Extensive street flooding and flooding of creeks and rivers are possible. * ADDITIONAL DETAILS... - Numerous to widespread showers and thunderstorms will impact the region Friday through Saturday. Rainfall amounts of 2 to 4 inches can be expected through early Sunday morning with localized amounts exceeding 6 inches. Ground conditions remain wet and any sustained period of heavy rainfall will likely lead to areas of flash flooding. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared to protect life and property, especially in areas prone to flooding. If flooding develops, move to higher ground immediately. If driving, be prepared for flooded roadways and possible road closures. &&
River Flood Warning
Issued: 3:11 PM Aug. 22, 2025 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL SUNDAY MORNING... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Santee River near Jamestown. * WHEN...Until Sunday morning. * IMPACTS...At 12.0 feet, several dirt logging roads are impassable. * ADDITIONAL DETAILS... - At 1030 AM EDT Friday, the stage was 13.0 feet. - Forecast...The river is expected to fall below flood stage Saturday evening and continue falling to 7.5 feet Wednesday morning. - Flood stage is 10.0 feet. &&
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