Flash Flood in Grafton County, New Hampshire

Flash Flood July 11, 2019 – July 12, 2019 · Grafton County, New Hampshire

$2.9M

Damage as recorded

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

What the National Weather Service wrote

Slow moving thunderstorms produced 4 to 7 inches of rain which fell in less than 6 hours, causing serious flash flooding. Many roads were flooded and destroyed. Several homes were also flooded and damaged. Groton and Orange New Hampshire were the most seriously affected. In Groton the Cockermouth River rose almost 8 feet in just over an hour, flooding much of Sculptured Rocks Road. Towns seriously affected were Campton, Canaan, Dorchester, Enfield, Grafton, Groton, Hebron, Orange, and Rumney.

The wider storm

Slow moving thunderstorms produced 4 to 7 inches of rain which fell in less than 6 hours, causing serious flash flooding.

Began near North Dorchester (43.8313, -71.9675).

Source: NOAA Storm Events Database, event 846984. Narratives are written by the National Weather Service forecast office that issued the report.

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