Jul 20, 2018
A large area of heavy rainfall producing thunderstorms developed in the predawn hours along a stationary front. Rainfall amounts ranged from 4 to 7 inches across much of North Charleston to an area including Daniel Island. The highest gage amount was 8.76 inches around North Charleston. Numerous roadways were flooded North Charleston, West Ashley, Downtown Charleston, and Daniel Island with some reports of stranded vehicles. The flooding caused a significant disruption to morning travel around t
Source: NOAA National Weather Service Storm Events Database (event 776909). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Charleston County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.