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Marine Thunderstorm Wind · Atlantic South

Marine Thunderstorm Wind March 9, 2011 · Fernandina Beach To St Augustine Fl 20 To 60nm, Atlantic South

47 mph

Measured gust (41 kt)

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

What the National Weather Service wrote

Bouy 41012 43 NM east of St. Augustine measured a thunderstorm wind gust of 47 mph from the northwest.

The wider storm

A band of pre-frontal showers and thunderstorms moved offshore of the northeast Atlantic coast during the late evening when the surface front phased with the trailing lobe of positive vorticity advection under the lifting upper level trough. Increased instability over the Atlantic waters increased thunderstorm wind gust potential.

Began near Buoy 41012 (30.0000, -80.5000).

Source: NOAA Storm Events Database, event 281788. Narratives are written by the National Weather Service forecast office that issued the report.

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