Thunderstorm Wind in Grafton County, New Hampshire

Thunderstorm Wind September 6, 2025 · Grafton County, New Hampshire

58 mph

Estimated gust (50 kt)

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

What the National Weather Service wrote

Severe thunderstorm wind gusts downed a tree down on wires along NH-175 in Ashland.

The wider storm

A late summer hot and unstable airmass was in place on the afternoon of September 6th across New Hampshire. A pre-frontal trough ahead of a surface cold front was approaching the state by the afternoon hours. Discrete thunderstorms developed across Central and Southern New Hampshire with most of them remaining below severe strength. A few storms became stronger and were able to produce damaging wind gusts and some large hail.

Began near Riverside Arpt (43.7500, -71.6500).

Source: NOAA Storm Events Database, event 1295873. Narratives are written by the National Weather Service forecast office that issued the report.

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