Flash Flood in Coos County, New Hampshire

Flash Flood July 18, 2023 · Coos County, New Hampshire

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

What the National Weather Service wrote

Heavy rain caused a washout on Corser Brook Road in Errol.

The wider storm

Scattered showers and thunderstorms with heavy rainfall developed across the White Mountains and areas northward on the afternoon of the 18th. Moist air supported torrential rainfall rates between 2 to 3 inches an hour, all of which fell over saturated soils. Localized flash flooding resulted where storms trained over the same locations.

Began near Errol Arpt (44.8390, -71.2096).

Source: NOAA Storm Events Database, event 1123807. Narratives are written by the National Weather Service forecast office that issued the report.

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