Tornadoes and Damaging Winds in Connecticut, July 10, 1989

Name: Tornadoes and Damaging Winds in Connecticut, July 10, 1989
Start: 1989-07-10T14:40
End: 1989-07-10T15:45
Location: Connecticut

July 10, 1989 · NWS BOS · 9 events in 3 counties and zones

5 thunderstorm wind, 4 tornado, as filed by the National Weather Service.

Where it happened

Every event with a place to put it. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

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The toll

Deaths: 1
Injuries: 124
Property damage: $325 million
Crop damage: None recorded
Events: 9

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.

Event by event

5 thunderstorm wind, 4 tornado. Local standard time, as filed.

Tornado, Litchfield

When: July 10, 2:40 PM EST
Where: Litchfield County
Rating: F2
Path length: 10 mi
Path width: 73 yd
Injuries: 4 direct, 0 indirect
Property damage: $25 million
Coordinates: 41.830, -73.330

Thunderstorm Wind, Litchfield

When: July 10, 2:15 PM CST
Where: Litchfield County
Measured: 70 kt (81 mph)
Coordinates: 41.970, -73.430

Tornado, Litchfield

When: July 10, 3:15 PM EST
Where: Litchfield County
Rating: F2
Path length: 2 mi
Path width: 100 yd
Injuries: 20 direct, 0 indirect
Property damage: $25 million
Coordinates: 41.600, -73.120

Tornado, New Haven

When: July 10, 3:17 PM EST
Where: New Haven County
Rating: F2
Path length: 3 mi
Path width: 100 yd
Injuries: 50 direct, 0 indirect
Property damage: $25 million
Coordinates: 41.570, -73.080

Thunderstorm Wind, Litchfield

When: July 10, 2:30 PM CST
Where: Litchfield County
Measured: 70 kt (81 mph)
Coordinates: 41.720, -73.480

Tornado, New Haven

When: July 10, 3:45 PM EST
Where: New Haven County
Rating: F4
Path length: 3 mi
Path width: 100 yd
Injuries: 40 direct, 0 indirect
Property damage: $250 million
Coordinates: 41.380, -72.900

Thunderstorm Wind, Litchfield

When: July 10, 3:15 PM CST
Where: Litchfield County
Measured: 80 kt (92 mph)
Coordinates: 41.680, -73.200

Thunderstorm Wind, Litchfield

When: July 10, 3:15 PM CST
Where: Litchfield County
Measured: 80 kt (92 mph)
Deaths: 1 direct, 0 indirect
Injuries: 10 direct, 0 indirect
Coordinates: 41.600, -73.120

Thunderstorm Wind, Middlesex

When: July 10, 3:41 PM CST
Where: Middlesex County
Measured: 50 kt (58 mph)
Coordinates: 41.550, -72.650

The people who died

As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.

Event	Date	Age	Sex	Where	Kind
Thunderstorm Wind, Litchfield	1989-07-10				Direct

What these are

Tornado: A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Connecticut in 1989 Every state in 1989 This day in weather history The tornado archive for Connecticut, 1989 Warnings in Connecticut, July 1989

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. Each event’s entry at NCEI: 9985067, 9984854, 9985068, 9985071, 9985066, 9985073, 9985069, 9985070, 9985072.