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Marine Thunderstorm Wind · Atlantic South

Marine Thunderstorm Wind July 9, 2025 · Charleston Harbor, Atlantic South

40 mph

Measured gust (35 kt)

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

What the National Weather Service wrote

The Weatherflow site at Fort Sumter measured a 35 knot wind gust.

The wider storm

Numerous thunderstorm clusters developed inland across portions of southeast Georgia and southeast South Carolina in the afternoon hours. These storms progressed to the coast and spread out across the Atlantic coastal waters into the evening producing strong wind gusts.

Began near Fort Sumter (32.7512, -79.8707).

Source: NOAA Storm Events Database, event 1286234. Narratives are written by the National Weather Service forecast office that issued the report.

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