Dec 2, 2009
A strong surface low developed over the northern Gulf of Mexico Wednesday morning and intensified as it shifted northeast over South Carolina. As this process occurred, strong onshore flow allowed deep moisture to advect over the Southeast within the warm sector of the low pressure system. Strong onshore winds in combination with a morning high tide led to coastal flooding along the South Carolina coast through 730 am. Strong isentropic ascent ahead of the surface low then led to heavy shower de
Source: NOAA National Weather Service Storm Events Database (event 205352). 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.