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Marine Thunderstorm Wind · Atlantic South

Marine Thunderstorm Wind June 25, 2025 · Charleston Harbor, Atlantic South

52 mph

Measured gust (45 kt)

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

What the National Weather Service wrote

The Capers Nearshore Buoy measured a wind gust of 45 knots.

The wider storm

Showers and thunderstorms congealing north-northwest of the region eventually tracked south into the local area, encountering a highly unstable airmass displaying large downdraft CAPE and strong mid-level lapse rates, leading to severe thunderstorms capable of producing damaging wind gusts across coastal waters.

Began near Fort Sumter (32.8000, -79.6200).

Source: NOAA Storm Events Database, event 1279628. Narratives are written by the National Weather Service forecast office that issued the report.

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