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Flash Flood — Sumter, SC

Mar 27, 2023

A stalled surface front combined with upper level energy, copious atmospheric moisture, moderate instability, and moderate to strong shear, to produce showers and thunderstorms, some of which produced large hail and wind damage, along with locally heavy rain and flooding. A band of very heavy rain fell across central sections of the Midlands of SC, producing around 5 to 7 inches of rain in a swath from southern Lexington Co east across northern Calhoun Co, lower Richland Co, and Sumter Co. The

Source: NOAA National Weather Service Storm Events Database (event 1078414). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Sumter, SC

This event is one of many recorded floods in Sumter County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Sumter County flood data →

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Read the full account →