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Marine Thunderstorm Wind · Atlantic South

Marine Thunderstorm Wind July 21, 2025 · Charleston Harbor, Atlantic South

39 mph

Measured gust (34 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 Plum Island near Charleston Harbor measured a 34 knot wind gust.

The wider storm

Scattered to numerous thunderstorms developed across southeast Georgia and southeast South Carolina in the afternoon hours. The first round of storms developed along the Charleston County coast and produced strong wind gusts in Charleston Harbor. The second round of storms impacted the Chatham County coast and produced strong wind gusts along the Tybee Island coast.

Began near The Charleston Battery (32.7585, -79.9529).

Source: NOAA Storm Events Database, event 1287060. Narratives are written by the National Weather Service forecast office that issued the report.

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