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Marine Thunderstorm Wind · Atlantic North

Marine Thunderstorm Wind July 13, 2020 · Cape Elizabeth Me To Merrimack River Ma Out 25 Nm, Atlantic North

48 mph

Measured gust (42 kt)

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

A 48 MPH thunderstorm wind gust was measured near Seabrook Beach in New Hampshire.

The wider storm

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.

Began near Isle of Shoals (42.8892, -70.8126).

Source: NOAA Storm Events Database, event 912342. Narratives are written by the National Weather Service forecast office that issued the report.

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