Cayuga County
New York — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 62th
Cayuga County faces low composite natural disaster risk (NRI Risk Index score 61.5, 62th national percentile), driven primarily by ice storm and riverine flood exposure. Expected annual loss across all 18 hazard types is $24M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Ice Storm | High | 1.10 / yr | $726K |
| Riverine Flood | Medium | 1.00 / yr | $19M |
| Winter Weather | Medium | 21.81 / yr | $152K |
| Hurricane | Low | 0.02 / yr | $363K |
| Strong Wind | Medium | 1.45 / yr | $825K |
| Hail | Low | 2.02 / yr | $394K |
| Drought | Low | 1.37 / yr | $242K |
| Earthquake | Very Low | 0.00 / yr | $263K |
| Lightning | Low | 30.49 / yr | $229K |
| Landslide | Very Low | 0.23 / yr | $1K |
| Heat Wave | Low | 3.37 / yr | $275K |
| Tornado | Low | 0.14 / yr | $876K |
| Wildfire | Very Low | 0.00 / yr | $18K |
| Avalanche | Very Low | 0.01 / yr | $113 |
| Cold Wave | Very Low | 3.04 / yr | $279K |
| Coastal Flood | Very Low | 0.01 / yr | $653 |
| 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 Cayuga County?
Cayuga County has a composite FEMA National Risk Index score of 61.5 out of 100, placing it in the Low category and the 62th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Cayuga County?
The three highest-rated hazards are Ice Storm (High, $726K EAL), Riverine Flood (Medium, $19M EAL), Winter Weather (Medium, $152K EAL). These account for most of the county's expected annual losses.
How does Cayuga County compare to other New York counties?
Cayuga County ranks #42 of 62 New York counties for overall natural disaster risk, with a low 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. Cayuga County's $24M EAL is a statistical average, not a guarantee for any specific year or address.