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Marine Thunderstorm Wind · Atlantic South

Marine Thunderstorm Wind July 9, 2025 · Fernandina Beach To St Augustine Fl Out 20nm, Atlantic South

54 mph

Measured gust (47 kt)

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

What the National Weather Service wrote

A mesonet station XLWS Lewis measured a gust of 54 mph.

The wider storm

An upper level low and high moisture content fueled widespread, slow-moving storms across the local area. More diurnal instability developed along the Atlantic coast sea breezes where a few stronger storms with wet downburst winds developed in the afternoon.

Began near St Augustine Arpt (29.9200, -81.3300).

Source: NOAA Storm Events Database, event 1274481. Narratives are written by the National Weather Service forecast office that issued the report.

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