Nov 15, 2020
Major coastal flooding impacted portions of the southeast South Carolina coast as astronomical high tides were elevated due to the perigee and a new moon cycle. Tides were driven higher due to the presence of favorable onshore winds as the region was under the influence of strong high pressure to the north and northeast.
Source: NOAA National Weather Service Storm Events Database (event 924012). 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.