Severe Weather History


Hazard archive · 1950 — present

Flash Flood in Hartford County, Connecticut

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

Flash Flood in Hartford County, Connecticut: recorded events per decade
Flash Flood in Hartford County, Connecticut: recorded 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

2Jan
1Feb
3Mar
2Apr
1May
6Jun
27Jul
22Aug
27Sep
0Oct
0Nov
1Dec

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

DateLocationMagnitudeDamage
Jul 14, 2025CANTON0$0
Aug 18, 2024NEWINGTON0$0
Aug 18, 2024SOUTHINGTON0$0
Jun 30, 2024PLAINVILLE ARPT0$0
Jun 30, 2024SOUTHINGTON0$0
Jun 30, 2024WEST HARTFORD0$0
Jun 21, 2024AVON0$0
Sep 13, 2023OAKLAND GARDENS0$0
Sep 13, 2023ELMWOOD0$0
Sep 13, 2023COTTAGE GROVE0$0
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from Hartford County

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From the record

What the reports say

Written by National Weather Service staff at the time of the event · public domain

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.


Historical reference only — for official alerts visit weather.gov