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Marine Thunderstorm Wind · Atlantic South

Marine Thunderstorm Wind January 21, 2010 · St Augustine To Flagler Beach Fl 20 To 60nm, Atlantic South

60 mph

Measured gust (52 kt)

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

What the National Weather Service wrote

Buoy 41012, about 43 NM east of St. Augustine, measured a wind gust to 52 knots in a thunderstorm.

The wider storm

A strong storm system tracked across the deep south while the mid and upper level low moved over the Mississippi River Valley. A surface low developed over south Georgia in the afternoon, and a trailing squall line moved across the area in the afternoon and evening. Strong low level shear, including a 50 to 60 knot low level jet, combined with adequate instability to produce widespread severe storms across the area.

Began near Crescent Beach (30.0000, -80.6000).

Source: NOAA Storm Events Database, event 203812. Narratives are written by the National Weather Service forecast office that issued the report.

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