NWS Charleston SCFF.W 0015August 22, 2026
Flash Flood Warning: Berkeley and Charleston, SC
The National Weather Service office in Charleston issued a flash flood warning for Berkeley and Charleston in South Carolina, which was in force until 9:30 p.m. local time on August 22. It was the 15th flash flood warning the NWS office in Charleston issued in 2026. South Carolina had 19 flash flood warnings in August 2026, against 12 in an average August of 2008-2025 (South Carolina's flash flood warnings by year).
ExpiredWarning
In force for 3 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Charleston SC
- Area
- Berkeley and Charleston
- State
- South Carolina
- Level
- Warning
- Issued
- 6:30 p.m. EDT, August 22, 2026
- Expires
- 9:30 p.m. EDT, August 22, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KCHS FF.W 0015
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
FFWCHS The National Weather Service in Charleston has issued a * Flash Flood Warning for... Berkeley County in southeastern South Carolina... Charleston County in southeastern South Carolina... * Until 930 PM EDT. * At 630 PM EDT, Doppler radar indicated thunderstorms with torrential rain beginning to move across much of the City of Charleston and portions of Mount Pleasant. These storms have a history of producing flash flooding. A quick 1 to 3 inches of rain could fall through 930 PM, resulting in urban and flash flooding. Some road closures could occur, especially in Downtown Charleston. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. 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, Downtown Charleston, West Ashley, Daniel Island, James Island, Johns Island, Charles Towne Landing, Charleston Naval Complex and Maybank Bridge. This includes the following highways... I-26 between mile markers 215 and 221. I-526 between mile markers 11 and 17...and between mile markers 23 and 28.
What the agency told people to do
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.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.