Connecticut

Storm History: Lower Connecticut River Valley Planning Region, Connecticut

308 episodes, 491 events since 1950

Every storm the National Weather Service has filed in Lower Connecticut River Valley Planning Region, Connecticut: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.

The record

Events
491
Deaths
4
Injuries
16
Damage
$4.8 million
Episodes
308

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Open the live radar over Lower Connecticut River Valley Planning Region

Every year

From 1996 the record holds 48 kinds of event with each office’s narrative; before that, tornadoes, hail and thunderstorm wind only, and before 1955 tornadoes alone.

By kind of event

Counted under the kind that heads each episode.

Kind of eventEventsDeathsInjuriesDamage
Heavy Snow8600
Thunderstorm Wind8103$260,000
Hail6714$195,000
Flash Flood3400$308,000
High Wind3300$710,000
Winter Storm3210
Winter Weather2600
Tornado2408$289,000
Blizzard2300
Flood1800$320,000
Heavy Rain1500
Coastal Flood1000
Strong Wind721$75,000
Heat600
Drought600
Tropical Storm600$2.6 million
Excessive Heat600
Extreme Cold/Wind Chill500
Ice Storm200
Cold/Wind Chill200
Lightning100
Storm Surge/Tide100

The deadliest

The costliest

Damage within this county, in the dollars of its year.

The largest hail

The largest stone in each episode, which may have fallen in a neighboring county of the same episode.

The strongest tornadoes

Every tornado in Lower Connecticut River Valley Planning Region, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Lower Connecticut River Valley Planning RegionEvery warning in Lower Connecticut River Valley Planning Region since 1986Every county in Connecticut

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.