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Marine Thunderstorm Wind — Long Island Sound W of New Haven Ct To Port Jefferson Ny, Atlantic North

2024-07-17 · near Norwalk Light Wxflow, Long Island Sound W of New Haven Ct To Port Jefferson Ny, Atlantic North

37 MG

Magnitude

Event narrative

Mesonet site XNOR at Norwalk Light measured a 37 knot wind gust.

Wider weather episode

A broad positively tilted upper-level trough approached from the west along with associated surface cold front and pre-frontal trough. The pre-frontal trough moved into an area with high instability (1750-2000 J/kg of MLCAPE). This combined with Effect Bulk Shear values around 25 kt allowed for multiple severe thunderstorms to develop. The storms were able to produce damaging wind gusts across the waters, with DCAPE values around 750-1000 J/kg.

View location on OpenStreetMap → (41.0800, -73.3800)

Source: NOAA Storm Events Database, event_id 1205598. Narrative written by the NWS forecast office that issued the report.