Richmond County
New York — Natural Disaster Risk Assessment
MediumComposite Risk Score
National percentile: 91th
Richmond County faces medium composite natural disaster risk (NRI Risk Index score 91.0, 91th national percentile), driven primarily by heat wave and strong wind exposure. Expected annual loss across all 18 hazard types is $82M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Heat Wave | High | 10.20 / yr | $13M |
| Strong Wind | High | 5.50 / yr | $2M |
| Riverine Flood | Medium | 1.93 / yr | $41M |
| Earthquake | Medium | 0.00 / yr | $6M |
| Hurricane | Medium | 0.16 / yr | $7M |
| Winter Weather | High | 8.77 / yr | $335K |
| Cold Wave | High | 0.48 / yr | $6M |
| Tornado | Medium | 0.03 / yr | $4M |
| Coastal Flood | Medium | 3.76 / yr | $2M |
| Hail | Low | 1.92 / yr | $440K |
| Ice Storm | Medium | 0.75 / yr | $151K |
| Lightning | Medium | 33.13 / yr | $307K |
| Landslide | Very Low | 0.02 / yr | $1K |
| Wildfire | Very Low | 0.00 / yr | $13K |
| Drought | Very Low | 3.05 / yr | $6K |
| 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 Richmond County?
Richmond County has a composite FEMA National Risk Index score of 91.0 out of 100, placing it in the Medium category and the 91th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Richmond County?
The three highest-rated hazards are Heat Wave (High, $13M EAL), Strong Wind (High, $2M EAL), Riverine Flood (Medium, $41M EAL). These account for most of the county's expected annual losses.
How does Richmond County compare to other New York counties?
Richmond County ranks #11 of 62 New York 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. Richmond County's $82M EAL is a statistical average, not a guarantee for any specific year or address.