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Marine Thunderstorm Wind · Atlantic North
Marine Thunderstorm Wind July 8, 2025 · South Shore Bays From Jones Inlet Through Shinnecock Bay, Atlantic North
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
Mesonet site EW4378 in Brookhaven measured a 37 knot wind gust.
The wider storm
At the surface, a cold front slowly approached from the west, with a pre-frontal trough developing ahead of it. Aloft, the area remained generally on the eastern edge of mid/upper level troughing. While shear was not all that impressive (about 25 kt of 0-6km bulk shear), strong heating aided in MLCAPE values reaching about 2000 j/kg. With lift from the aforementioned features, and likely help from the right entrance region of an upper level jet streak, showers and thunderstorms started to develop. Some storms reached severe criteria and produce damaging wind gusts.
Began near Smith Point (40.7600, -72.9107).
Source: NOAA Storm Events Database, event 1277895. Narratives are written by the National Weather Service forecast office that issued the report.
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