Flash Flood — Norfolk, Massachusetts

2023-08-18 · near South Foxboro, Norfolk, Massachusetts

Event narrative

In Foxborough, there was 1 foot of street flooding in the right lane of 495 south.

Wider weather episode

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.

View location on OpenStreetMap → (42.0347, -71.2623)

Source: NOAA Storm Events Database, event_id 1120175. Narrative written by the NWS forecast office that issued the report.