Thunderstorm Wind — Coos, New Hampshire

2023-07-13 · near Dalton, Coos, New Hampshire

Event narrative

Severe thunderstorm outflow winds downed a tree and powerlines across Dalton Rd. in Dalton.

Wider weather episode

An upper level trough and associated cold front pushed into Western New Hampshire late in the day on July 13th. A very moist and unstable airmass was firmly in place across the state ahead of the boundary providing sufficient instability. A line of thunderstorms pushed into the Connecticut River Valley by late evening bringing severe wind gusts and some large hail before the line weakened by the time it reached Central New Hampshire.

View location on OpenStreetMap → (44.4200, -71.6800)

Source: NOAA Storm Events Database, event_id 1127774. Narrative written by the NWS forecast office that issued the report.