Flash Flood in Suffolk County, Massachusetts

Flash Flood August 18, 2023 · Suffolk County, Massachusetts

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

What the National Weather Service wrote

In Dorchester, portions of Southern Ave were flooded and impassable.

The wider storm

A high amplitude, negatively tilted trough moving across the Great Lakes and into New England along with cold and warm front provided strong forcing which resulted in flooding, wind damage, and 5 tornadoes. In the warm sector dewpoints surged into the mid 70s with PWATs near 2 inches which led to torrential downpours. Tornadoes occurred in Scotland, Ct, Scituate, RI, North Attleboro, MA, Stoughton, MA, and Weymouth, MA. The tornadoes ranged in intensity from EF-0 to EF-2.

Began near Grove Hall (42.2901, -71.0755).

Other tornadoes from the same storm system

3 more tornadoes the National Weather Service filed under this storm episode.

EF1 Bristol County EF1 Norfolk County EF0 Norfolk County

Source: NOAA Storm Events Database, event 1120180. Narratives are written by the National Weather Service forecast office that issued the report.

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