Marine Thunderstorm Wind — Tidal Potomac Indian Hd To Cobb Is Md, Atlantic North
2025-05-16 · near Potomac Light 33 (lt3), Tidal Potomac Indian Hd To Cobb Is Md, Atlantic North
40 MG
Magnitude
Event narrative
A wind gust of 40 knots (46 MPH) was measured by the Potomac Light WeatherFlow sensor (XP33).
Wider weather episode
A powerful line of thunderstorms produced winds as high as hurricane force over portions of the tidal Potomac River and Chesapeake Bay. A tornado briefly became a waterspout as it crossed the tidal Patapsco River in Baltimore.
View location on OpenStreetMap → (38.3400, -76.9900)
Source: NOAA Storm Events Database, event_id 1250031. Narrative written by the NWS forecast office that issued the report.