Oct 4, 2015
A historic flooding event affected the Carolinas from October 1-7, 2015. A stalled front offshore combined with deep tropical moisture streaming northwest into the area ahead of a strong upper level low pressure system to the west and Hurricane Joaquin well to the east. This led to historic 4-day rainfall totals with widespread amounts of 15-20 inches and localized amounts over 25 inches, mainly in the Charleston Tri-County area. Flash flooding was prevalent for several days and eventually led
Source: NOAA National Weather Service Storm Events Database (event 605931). 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.