Connecticut Storm & Severe Weather History
Since 1996, Connecticut has logged 6,601 severe-weather events — about 213 a year — with 54 direct deaths, 221 injuries and $259.5M in reported property damage.
By event type
Thunderstorm Wind2,0789 d$18.9M
Flash Flood6195 d$24.4M
Heavy Snow599—$25.3M
Hail573—$173K
Winter Weather4784 d$326K
High Wind34912 d$14.3M
Flood3475 d$27.5M
Winter Storm3052 d$7.0M
Strong Wind2813 d$4.7M
Lightning1714 d$2.5M
Heat1341 d—
Heavy Rain1262 d$119K
Drought73——
Cold/Wind Chill68——
Coastal Flood672 d—
Tornado65—$15.5M
Events by year
19962026
Notable events (55)
Events with deaths, major damage, or a strong tornado — deadliest first.
LightningMay 10, 2000
Middlesex · 1 killed ·
Flash FloodSeptember 16, 1999
New Haven · 1 killed ·
Strong WindApril 23, 1998
Southern Middlesex · 1 killed · 1 injured ·
Winter WeatherDecember 10, 1997
Southern Fairfield · 1 killed ·
Thunderstorm WindJune 22, 1997
Fairfield · 1 killed ·
LightningJune 19, 1997
New London · 1 killed ·
Coastal FloodMarch 31, 1997
Southern Fairfield · 1 killed ·
Coastal FloodDecember 7, 1996
Southern New Haven · 1 killed ·
Strong WindSeptember 28, 1996
Middlesex · 1 killed ·
Tropical StormAugust 28, 2011
Windham · $20.0M damage
Tropical StormAugust 28, 2011
Hartford · $20.0M damage
Tropical StormAugust 28, 2011
Tolland · $20.0M damage
Tropical StormAugust 4, 2020
Southern New Haven · $10.0M damage
Thunderstorm WindJune 24, 2010
Fairfield · 25 injured · $3.2M damage
Winter WeatherDecember 13, 2009
Northern Fairfield · 46 injured ·
Source: NOAA/NCEI Storm Events Database. Counts are every logged event since 1996; the "notable" list is filtered to events with fatalities, major damage or a strong tornado. Damage is the reporting office's estimate. A record of past weather is not a forecast. See About the Data.