Marine Thunderstorm Wind — De Bay Waters North of East Point Nj To Slaughter Beach De, Atlantic North

2015-07-09 · near Bowers Beach De, De Bay Waters North of East Point Nj To Slaughter Beach De, Atlantic North

Event narrative

A thunderstorm produced a wind gust of 35 knots (40 mph) at Ship John Shoal Light in upper Delaware Bay.

Wider weather episode

A line of strong to severe thunderstorms formed in the warm sector of the Susquehanna Valley and Maryland panhandle and moved through Delaware Bay and the Atlantic coastal waters off the southern New Jersey and Delaware coasts during the evening of the 9th. A warm front lifted northeast into the Lehigh Valley and central New Jersey during the afternoon of the 9th. This permitted sufficient daytime heating preceding an approaching cold front for thunderstorms to maintain their strength as they moved through the area waters.

View location on OpenStreetMap → (39.3050, -75.3770)

Source: NOAA Storm Events Database, event_id 593868. Narrative written by the NWS forecast office that issued the report.