Marine Thunderstorm Wind — Cape Elizabeth Me To Merrimack River Ma Out 25 Nm, Atlantic North
2020-07-13 · near Isle of Shoals, Cape Elizabeth Me To Merrimack River Ma Out 25 Nm, Atlantic North
42 MG
Magnitude
Event narrative
A 48 MPH thunderstorm wind gust was measured near Seabrook Beach in New Hampshire.
Wider weather episode
A short wave trough aloft with an accompanying cold front moved in from the west during the afternoon hours of the 13th. Ahead of the front, a moderately unstable air mass was in place over Maine and New Hampshire as surface dewpoint values rose well into the 60s. The result was a few strong to locally severe thunderstorms which moved offshore producing wind gusts up to 50 MPH at the coast.
View location on OpenStreetMap → (42.8892, -70.8126)
Source: NOAA Storm Events Database, event_id 912342. Narrative written by the NWS forecast office that issued the report.