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Marine Thunderstorm Wind · Atlantic South
Marine Thunderstorm Wind May 29, 2025 · Fernandina Beach To St Augustine Fl Out 20nm, Atlantic South
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
Weatherflow station near Fort Caroline
reported a peak wind gust of 65 mph as
thunderstorms moved across the area.
The wider storm
A mid-level shortwave trough developed an MCS that lifted east- northeastward through the day and across SE GA during peak heating. Continued SW flow increased moisture levels to above average with PWATs mainly in the 1.75-2 inch range. The combination of a moist, moderately unstable airmass and additional lift from the passing shortwave enhanced convection across SE GA and along the sea breeze merger along the Atlantic
coast. SPC had a Slight Risk (level 2 of 5) for SE GA. Strong to locally severe storm occurred during the afternoon into the evening with a confirmed tornado in St. Johns County.
Began near Mayport Nas (30.3900, -81.4800).
Source: NOAA Storm Events Database, event 1260213. Narratives are written by the National Weather Service forecast office that issued the report.
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