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Marine Thunderstorm Wind · Atlantic South

Marine Thunderstorm Wind June 19, 2026 · Charleston Harbor, Atlantic South

43 mph

Measured gust (37 kt)

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

What the National Weather Service wrote

The Weatherflow sensor at Fort Sumter Range Front Light measured wind gusts of at least 34 knots between 724 AM and 739 AM with a peak wind gust of 37 knots at 734 AM.

The wider storm

A moist southwest flow between low pressure passing well inland and high pressure offshore led to an environment supportive of strong thunderstorms across warm Atlantic waters.

Began near Shutes Folly Weatherflow (32.7500, -79.8700).

Source: NOAA Storm Events Database, event 1356974. Narratives are written by the National Weather Service forecast office that issued the report.

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