Capitol Planning Region
Connecticut — Natural Disaster Risk Assessment
HighComposite Risk Score
National percentile: 97th
Capitol Planning Region faces high composite natural disaster risk (NRI Risk Index score 97.4, 97th national percentile), driven primarily by riverine flood and heat wave exposure. Expected annual loss across all 18 hazard types is $302M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Riverine Flood | High | 3.54 / yr | $240M |
| Heat Wave | Medium | 6.67 / yr | $9M |
| Ice Storm | Very High | 2.50 / yr | $2M |
| Cold Wave | High | 1.74 / yr | $12M |
| Earthquake | Medium | 0.00 / yr | $11M |
| Hurricane | High | 0.15 / yr | $15M |
| Lightning | High | 26.49 / yr | $1M |
| Tornado | High | 0.33 / yr | $8M |
| Landslide | Medium | 0.80 / yr | $44K |
| Winter Weather | High | 15.91 / yr | $317K |
| Strong Wind | Medium | 2.23 / yr | $2M |
| Hail | Medium | 2.56 / yr | $1M |
| Wildfire | Very Low | 0.00 / yr | $76K |
| Drought | Low | 3.47 / yr | $193K |
| Coastal Flood | Very Low | 3.69 / yr | $14K |
| 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 Capitol Planning Region?
Capitol Planning Region has a composite FEMA National Risk Index score of 97.4 out of 100, placing it in the High category and the 97th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Capitol Planning Region?
The three highest-rated hazards are Riverine Flood (High, $240M EAL), Heat Wave (Medium, $9M EAL), Ice Storm (Very High, $2M EAL). These account for most of the county's expected annual losses.
How does Capitol Planning Region compare to other Connecticut counties?
Capitol Planning Region ranks #1 of 9 Connecticut counties for overall natural disaster risk, with a high 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. Capitol Planning Region's $302M EAL is a statistical average, not a guarantee for any specific year or address.