2,427
Recorded events
8
Counties affected
10
Direct deaths
$19.6M
Property damage
Connecticut thunderstorm wind history: 2,427 recorded events across 8 counties between 1956 and 2026.
Decade by decade
Connecticut thunderstorm wind history by decade
The 2010s are the busiest decade on record with 771 reported thunderstorm wind events across Connecticut. Earlier decades are thinner because systematic reporting for this hazard expanded over time, not because the weather was calmer.
County ranking
Counties with the most thunderstorm wind events in Connecticut
| Rank | County | Events | Deaths | Damage | Span |
|---|---|---|---|---|---|
| #1 | Litchfield County | 555 | 1 | $1.1M | 1956–2026 |
| #2 | Fairfield County | 459 | 6 | $5.5M | 1956–2025 |
| #3 | Hartford County | 433 | 0 | $9.1M | 1957–2025 |
| #4 | New Haven County | 339 | 1 | $1.2M | 1957–2025 |
| #5 | Tolland County | 212 | 0 | $1.1M | 1960–2025 |
| #6 | Windham County | 181 | 0 | $936K | 1956–2025 |
| #7 | New London County | 136 | 2 | $386K | 1969–2025 |
| #8 | Middlesex County | 110 | 0 | $302K | 1963–2025 |
Significant events
Deadliest thunderstorm wind events in Connecticut
| Date | County | Scale | Deaths | Injuries |
|---|---|---|---|---|
| May 15, 2018 | Fairfield County | — | 1 | 0 |
| Jun 30, 2019 | Fairfield County | — | 1 | 0 |
| Jul 17, 2019 | Fairfield County | — | 1 | 0 |
| Jul 10, 1989 | Litchfield County | — | 1 | 10 |
| Jun 2, 2000 | New Haven County | — | 1 | 0 |
| Jun 22, 1997 | Fairfield County | — | 1 | 0 |
| Aug 4, 2015 | New London County | — | 1 | 0 |
| Jun 23, 2011 | Fairfield County | — | 1 | 2 |
| Sep 6, 2017 | New London County | — | 1 | 1 |
| May 15, 2018 | Fairfield County | — | 1 | 1 |
All hazards in Connecticut · Thunderstorm Wind across the U.S.