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Marine Thunderstorm Wind · Atlantic North

Marine Thunderstorm Wind May 26, 2021 · Cape Elizabeth Me To Merrimack River Ma Out 25 Nm, Atlantic North

43 mph

Measured gust (37 kt)

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

What the National Weather Service wrote

A line of thunderstorms pushed off the coast on the evening bringing a wide area of gusty winds to the coastal waters. Isle of Shoals station reported a gust of 43 mph.

The wider storm

An unseasonably hot and humid airmass moved into the region allowing for instability values more typical for summer. In addition, a pre-frontal trough approached New Hampshire & Maine ahead of the main surface cold front located to the west in Quebec Province. A strong jet streak aloft allowed for strong 0-6km shear profiles. These ingredients led to organized linear convection by the evening with a line of strong winds impacting the coastal waters.

Began near Isle of Shoals (42.9700, -70.6200).

Source: NOAA Storm Events Database, event 962987. Narratives are written by the National Weather Service forecast office that issued the report.

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