Thunderstorm Wind in Grafton County, New Hampshire

Thunderstorm Wind July 3, 2025 · Grafton County, New Hampshire

60 mph

Estimated gust (52 kt)

$4K

Damage as recorded

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

What the National Weather Service wrote

Severe thunderstorm outflow winds downed multiple trees with one falling on a car along Danial Webster Highway.

The wider storm

A upper level disturbance and approaching cold front interacted with a moist and unstable airmass that allowed for thunderstorm development. Moderate shear values allowed a few of the storms to become severe, mostly across the White Mountains.

Began near Lincoln (44.0400, -71.6700).

Source: NOAA Storm Events Database, event 1269830. Narratives are written by the National Weather Service forecast office that issued the report.

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