Southeastern Connecticut Planning Region
Connecticut — Natural Disaster Risk Assessment
MediumComposite Risk Score
National percentile: 89th
Southeastern Connecticut Planning Region faces medium composite natural disaster risk (NRI Risk Index score 88.6, 89th national percentile), driven primarily by hurricane and riverine flood exposure. Expected annual loss across all 18 hazard types is $83M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Hurricane | High | 0.19 / yr | $22M |
| Riverine Flood | Medium | 2.25 / yr | $52M |
| Earthquake | Low | 0.00 / yr | $2M |
| Ice Storm | Medium | 1.74 / yr | $395K |
| Winter Weather | Medium | 13.34 / yr | $200K |
| Landslide | Low | 0.46 / yr | $12K |
| Lightning | Medium | 23.17 / yr | $677K |
| Heat Wave | Low | 4.46 / yr | $1M |
| Coastal Flood | Medium | 3.72 / yr | $1M |
| Strong Wind | Medium | 1.63 / yr | $751K |
| Tornado | Low | 0.16 / yr | $2M |
| Hail | Low | 1.75 / yr | $242K |
| Cold Wave | Low | 0.90 / yr | $814K |
| Wildfire | Very Low | 0.00 / yr | $28K |
| Drought | Low | 1.09 / yr | $36K |
| Avalanche | Very Low | 0.00 / yr | $0 |
| Tsunami | Very Low | 0.00 / yr | $0 |
| Volcanic Activity | Very Low | 0.00 / yr | $0 |
Frequently Asked Questions
What is the overall natural disaster risk for Southeastern Connecticut Planning Region?
Southeastern Connecticut Planning Region has a composite FEMA National Risk Index score of 88.6 out of 100, placing it in the Medium category and the 89th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Southeastern Connecticut Planning Region?
The three highest-rated hazards are Hurricane (High, $22M EAL), Riverine Flood (Medium, $52M EAL), Earthquake (Low, $2M EAL). These account for most of the county's expected annual losses.
How does Southeastern Connecticut Planning Region compare to other Connecticut counties?
Southeastern Connecticut Planning Region ranks #6 of 9 Connecticut counties for overall natural disaster risk, with a medium rating.
What does Expected Annual Loss (EAL) mean?
EAL is FEMA's estimate of average annual dollar losses from natural hazards, calculated from historical event data and exposure models. Southeastern Connecticut Planning Region's $83M EAL is a statistical average, not a guarantee for any specific year or address.