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Marine Thunderstorm Wind · Atlantic South

Marine Thunderstorm Wind July 22, 2025 · Fernandina Beach To St Augustine Fl Out 20nm, Atlantic South

40 mph

Measured gust (35 kt)

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

What the National Weather Service wrote

AWOS station KNRB Mayport Naval Station measured a gust to 40 mph.

The wider storm

A trough extended across the local area, and an area of low pressure formed along the trough axis and retrograded into the Gulf of America during this period. Waves of heavy, slow moving storms produced localized flooding rainfall. A few stronger storms produced gusty wet downbursts.

Began near Mayport Nas (30.4000, -81.4200).

Source: NOAA Storm Events Database, event 1278392. Narratives are written by the National Weather Service forecast office that issued the report.

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