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Marine Thunderstorm Wind · Atlantic South

Marine Thunderstorm Wind May 21, 2025 · Fernandina Beach To St Augustine Fl Out 20nm, Atlantic South

41 mph

Measured gust (36 kt)

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

What the National Weather Service wrote

The mesonet station XJAK Jacksonville near Ft Caroline measured a gust of 42 mph.

The wider storm

A front edged southward across southeast Georgia in the afternoon while moist and unstable SW flow off of the Gulf fueled diurnally enhanced storms over NE FL. As the front slid across SE GA into the afternoon, passing waves of upper-level energy from the WSW promoted storm strength.

Began near Mayport Nas (30.3900, -81.4800).

Source: NOAA Storm Events Database, event 1256720. Narratives are written by the National Weather Service forecast office that issued the report.

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