CT
Connecticut
Comprehensive climate risk and disaster history profile
18
Billion-Dollar Events
$107.8B
Total Economic Impact
8
Counties
83.28
Avg Risk Score
Top Natural Hazards
Based on FEMA National Risk Index data across all 8 counties
Hurricane
91.38
Avg Risk Score
Ice Storm
89.84
Avg Risk Score
Landslide
86.93
Avg Risk Score
Lightning
82.14
Avg Risk Score
Drought
80.75
Avg Risk Score
Coastal Flooding
75.77
Avg Risk Score
Earthquake
71.27
Avg Risk Score
Strong Wind
68.55
Avg Risk Score
Disaster Type Breakdown
Historical billion-dollar events by category (1980-2024)
winter-storm
8 events
$11.8B
severe-storm
5 events
$6.6B
tropical-cyclone
4 events
$87.5B
flooding
1 events
$1.8B
Disaster Trends by Decade
How disaster frequency and costs have changed over time
Highest Risk Counties
Counties with the highest overall risk scores based on FEMA NRI
| Rank | County | Risk Score | Risk Rating | SVI Percentile |
|---|---|---|---|---|
| 1 | Fairfield | 95.45 | -- | |
| 2 | New Haven | 94.46 | -- | |
| 3 | Hartford | 91.47 | -- | |
| 4 | New London | 87.37 | -- | |
| 5 | Litchfield | 82.5 | -- | |
| 6 | Middlesex | 78.36 | -- | |
| 7 | Windham | 69.52 | -- | |
| 8 | Tolland | 67.07 | -- |
Recent Major Events
Most costly billion-dollar disasters in the past 10 years
Explore Connecticut Risk Data
Get personalized insights for your location within Connecticut