Flash Flood — New London, Connecticut

2023-07-16 · near Ridgewood, New London, Connecticut

Event narrative

Pequot Ave closed due to flooding.

Wider weather episode

A stationary front near the area forced torrential thunderstorms in a tropical airmass resulting in widespread flash flooding in CT. The first round of thunderstorms occurred early in the morning on July 16th. Another round of thunderstorms occurred later in the afternoon. The tropical airmass had CAPE values 1500 - 2000 J/kg with PWATs 2.2-2.4 inches. The torrential thunderstorms produced rainfall rates as much as 3 inches an hour. Rainfall amounts totaled a widespread 2-4 inches across Connecticut with localized spots seeing as much as 5 inches of rain.

View location on OpenStreetMap → (41.3221, -72.0878)

Source: NOAA Storm Events Database, event_id 1122718. Narrative written by the NWS forecast office that issued the report.