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Marine Thunderstorm Wind · Atlantic North

Marine Thunderstorm Wind July 25, 2025 · Long Island Sound W of New Haven Ct To Port Jefferson Ny, Atlantic North

52 mph

Measured gust (45 kt)

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

What the National Weather Service wrote

Mesonet site XNOR at Norwalk Light measured a 45 knot wind gust.

The wider storm

A shortwave trough and associated cold front approached the area. Ahead of these features, the area destabilized to about 2000 J/kg of MLCAPE. Storms fired up along a pre-frontal trough and with the help of about 30 knots of Effective Bulk Shear several storms were able to become severe and produce damaging wind gusts.

Began near Norwalk Light Wxflow (41.0800, -73.3800).

Source: NOAA Storm Events Database, event 1283088. Narratives are written by the National Weather Service forecast office that issued the report.

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