Hail in Belknap County, New Hampshire

Hail September 8, 2023 · Belknap County, New Hampshire

1 in

Hail diameter

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

What the National Weather Service wrote

A severe thunderstorm dropped hail the size of quarters in Alton Bay, NH.

The wider storm

A strong mid-level trough ejected out of New York and pushed from southwest to northeast across New England during the day on September 8th. This feature had ample low level instability to work with as the region was experiencing well above normal temperatures and moisture for early September. All these ingredients came together to bring a line of severe thunderstorms to the area with strong damaging straight-line wind gusts being the primary hazard.

Began near Alton Bay (43.4900, -71.2500).

Source: NOAA Storm Events Database, event 1142676. Narratives are written by the National Weather Service forecast office that issued the report.

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