Thunderstorm Wind in Sullivan County, New Hampshire

Thunderstorm Wind June 18, 2026 · Sullivan County, New Hampshire

64 mph

Measured gust (56 kt)

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

What the National Weather Service wrote

Chaser measured recent wind gust of 64 mph in Claremont on a handheld anemometer.

The wider storm

An unseasonably strong mid-level shortwave trough progressed across Northern New England on June 18th. This brought deep layer shear that allowed for high potential storm structure organization into line segments. The forcing combined with deep moisture allowed for robust convection, with bowing line segments transiting across Central and Southern New Hampshire. Convective wind gusts along with a few areas of microburst wind damage brought down 1000s of trees.

Began near Claremont (43.3800, -72.3400).

Source: NOAA Storm Events Database, event 1355881. Narratives are written by the National Weather Service forecast office that issued the report.

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