FloodZoneMap.org

Flash Flood — Middlesex, CT

Sep 2, 2021

Extremely heavy rainfall associated with the remnants of Hurricane Ida overspread southern Connecticut during the evening of September 1 and continued through the early morning hours of September 2. Rainfall totals ranged from 5-8+ inches across much of the region, with much of that rain falling in just a few hours. This resulted in not only widespread flash flooding but also extensive river flooding. The ASOS at Bridgeport Airport recorded 5.59 inches of rain. A CoCoRaHS observer near Stamford

Source: NOAA National Weather Service Storm Events Database (event 994605). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Middlesex, CT

This event is one of many recorded floods in Middlesex County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Middlesex County flood data →

More Flood Stories

Tropical Storm$1.3M damage

Southern Middlesex, CT · Aug 4, 2020

Category 1 Hurricane Isaias with maximum sustained winds of 85 mph, made landfall near Ocean Isle Beach, NC at 11:10 pm on August 3rd. Isaias' intensity weakened back to Tropical Storm strength as its forward speed increased to near 30 mph during the early morning of August…

Read the full account →
Tropical Storm$1.3M damage

Northern Middlesex, CT · Aug 4, 2020

Category 1 Hurricane Isaias with maximum sustained winds of 85 mph, made landfall near Ocean Isle Beach, NC at 11:10 pm on August 3rd. Isaias' intensity weakened back to Tropical Storm strength as its forward speed increased to near 30 mph during the early morning of August…

Read the full account →
Coastal Flood

Southern Middlesex, CT · Jan 13, 2024

Strong low pressure shifted northeast through the eastern Great Lakes on January 13, 2024, sending a warm front through during the morning hours, followed quickly by a cold front.

Read the full account →
Flash Flood

Middlesex, CT · Jul 4, 2023

A stalled frontal boundary over the area provided a focus for convection to develop in the afternoon on July 4th. CAPE values of greater than 2000 J/kg and PWAT values near 1.8-2 allowed thunderstorms that developed along the stationary front to slowly drift southward while…

Read the full account →