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Marine Thunderstorm Wind · Atlantic North

Marine Thunderstorm Wind May 9, 2009 · Merrimack River Ma and Out 20nm To Plymouth Ma and Out 40nm, Atlantic North

52 mph

Measured gust (45 kt)

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

What the National Weather Service wrote

The weatherflow observing station on Children's Island reported a wind gust of 52 mph. No damage was reported.

The wider storm

A strong cold front moved through Southern New England, combining with strong shear and marginal instability to produce showers and thunderstorms across the area. These thunderstorms produced some small hail and severe winds, downing trees and branches. One of these storms moved across the coastal waters producing gusty winds.

Began near Rockport (42.5349, -70.8453).

Source: NOAA Storm Events Database, event 162533. Narratives are written by the National Weather Service forecast office that issued the report.

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