92
Recorded events
0
Direct deaths
0
Direct injuries
$1.9M
Property damage
Flash Flood in Hartford County, Connecticut: 92 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #201 nationally and #3 statewide for this hazard.
Decade by decade
Flash Flood in Hartford County, Connecticut: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flash flood in Hartford County is the 2020s, when 53 of the county's 92 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.
Within the Hartford County archive, flash flood makes up 11.4% of all recorded severe weather across 8 hazard types. Nationally the county sits at #201 for this hazard and #3 within Connecticut, putting it in the 93.4 percentile of all U.S. counties.
Seasonality
Events by month
Jul is the peak month for flash flood in Hartford County with 27 recorded events, while Oct is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Jul 14, 2025 | CANTON | 0 | $0 |
| Aug 18, 2024 | NEWINGTON | 0 | $0 |
| Aug 18, 2024 | SOUTHINGTON | 0 | $0 |
| Jun 30, 2024 | PLAINVILLE ARPT | 0 | $0 |
| Jun 30, 2024 | SOUTHINGTON | 0 | $0 |
| Jun 30, 2024 | WEST HARTFORD | 0 | $0 |
| Jun 21, 2024 | AVON | 0 | $0 |
| Sep 13, 2023 | OAKLAND GARDENS | 0 | $0 |
| Sep 13, 2023 | ELMWOOD | 0 | $0 |
| Sep 13, 2023 | COTTAGE GROVE | 0 | $0 |
Other hazards here
More from Hartford County
- Thunderstorm Wind 433
- Hail 166
- Flood 52
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
There was widespread, damaging flash flooding throughout Manchester. Fire officials evacuated 18 homes due to flash flooding. The Hartford Courant newspaper had a photo of a culvert collapse on Ambassador Drive, after Lydall Brook overflowed its banks. The culvert running under Ambassador Drive collapsed, destroying that secion of road. On Prospect Street, at least four first-floor condominiums at the Millbridge Hollow Condominium complex when the Hop Brook overflowed its banks. Floodwaters also entered the first floor of the Highland Park Elementary School when the Porter Brook overflowed its banks. At 356 PM EST, WFSB-TV showed a video of major flash flooding on Gerard Street, with first responders canoeing to the front door of a residence. Other streets with significant flooding included Lydall Street, Middle Turnpike East, and Route 83 near Vernon. A CoCoRaHS observer in Manchester recorded a total of 5.68 inches from Henri, the majority of which fell during the afternoon of August 22.
In East Hartford, Willow Brook went out of its banks, inundating parking lots and roadways at Rentschler Field at Pratt & Whitney Stadium. Roads and buildings also were flooded elsewhere in town, including several homes.
Significant urban flash flooding occurred in Hartford. The Fire Dept. reported that Homestead Avenue was closed due to flash flooding. Cars were stuck, with water up to the roofs of the cars. Amateur radio operators reported that sections of Albany Avenue, Laurel Street, and Farmington Acenue were all closed due to flash flooding. On South Whitney Street at Warrenton Avenue, there was 3 feet of water at the intersection. There was basement flooding inside St. Francis Hospital. Rainfall totals ended up between 5.0 and 5.8 inches in northern Hartford and Tolland Counties.
Quick answers
Frequently asked
How many flash flood events are on record in Hartford County, Connecticut?
92 flash flood events are recorded in Hartford County between 1996 and 2025, causing 0 direct deaths.
What is the strongest flash flood recorded in Hartford County?
The strongest flash flood on record in Hartford County measured 0.
Where does the flash flood data for Hartford County come from?
All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.
Cite this page
“Flash Flood in Hartford County, Connecticut.” Severe Weather History. severeweatherhistory.com/county/connecticut/hartford-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.