EF1 Tornado — Grafton, New Hampshire

2024-07-16 · near Hanover Center, Grafton, New Hampshire

Event narrative

NWS Storm Survey Team confirmed and EF1 tornado touched down in Lyme, NH on the evening of July 16th. The tornado first touched down near Post Pond, downing numerous trees along the western shoreline. Overall path width was narrow at first, approximately 25 yards. The tornado tracked almost due north and crossed Route 10 causing sporadic tree damage. Once the tornado reached Whipple Hill Rd. the circulation become wider in the field areas. Hundreds of trees were

snapped and uprooted through this area along with a garage being picked up and moved 15 feet. Trees also fell onto the roof of a home. The tornado continued to track north up Culver Hill Rd. and remained wide, approximately 200 to 250 yards. Once it reached the top of the hill, tree damage continued to increase in severity as the tornado strengthened. Some roof damage occurred on a few homes as trees and branches fell into homes. The tornado quickly lifted north of Tavern Ln. Overall, approximately 500 to 1000 trees were snapped or uprooted along with minor damage to at least 5 homes.

Wider weather episode

A large MCS formed across New York state on the afternoon of July 16th. This complex continued to move eastward and held its structure as it reached New Hampshire by early evening. Bowing line segments caused multiple microbursts and high end wind damage. At the north end of the squall line, a bookend vortex developed just north of Hanover, where a tornado briefly touched down, causing damage.

View location on OpenStreetMap → (43.8200, -72.1500)

Source: NOAA Storm Events Database, event_id 1205498. Narrative written by the NWS forecast office that issued the report.