Flash Flood in New London County, Connecticut

Flash Flood July 10, 2023 · New London County, Connecticut

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

What the National Weather Service wrote

Several roads are closed in urban areas of New London including Broad St, Bank St, Garfield Ave, and Shaw St. Spotter reports 2 inches of rain in 2 hours.

The wider storm

A stalled frontal boundary remained over the area which produced multiple rounds of torrential rainfall form heavy thunderstorms from July 9th through July 10th. CAPE values of 2500 to 3500 J/kg and PWAT values of near 1.8 allowed heavy thunderstorm development to produce rainfall rates of 2-3 inches per hour at times. There were parts of the area that receive anywhere from 3-5 inches of rain in a several hour period.

Began near New London (41.3600, -72.1000).

Source: NOAA Storm Events Database, event 1122299. Narratives are written by the National Weather Service forecast office that issued the report.

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