Heavy Rain in Richland County, South Carolina

Heavy Rain September 20, 2025 · Richland County, South Carolina

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

RCWINDs rain gauge measured 1.34 inches of rain in 30 min.

The wider storm

Widespread pulse thunderstorms produced locally heavy rain across the Midlands, including isolated flash flooding in the Columbia metro in the evening of September 20th. Above average precipitable water, a weak approaching trough, and little wind shear produced slow moving storms with highly efficient rain rates of 3-4 inches per hour.

Began near Columbia (34.0000, -81.0400).

Source: NOAA Storm Events Database, event 1294828. Narratives are written by the National Weather Service forecast office that issued the report.

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