Tioga County
New York — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 60th
Tioga County faces low composite natural disaster risk (NRI Risk Index score 59.9, 60th national percentile), driven primarily by riverine flood and landslide exposure. Expected annual loss across all 18 hazard types is $20M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Riverine Flood | Medium | 2.11 / yr | $17M |
| Landslide | Low | 0.53 / yr | $5K |
| Hurricane | Low | 0.03 / yr | $260K |
| Ice Storm | Low | 0.50 / yr | $79K |
| Lightning | Low | 31.16 / yr | $179K |
| Tornado | Low | 0.14 / yr | $948K |
| Drought | Low | 0.54 / yr | $70K |
| Heat Wave | Low | 3.11 / yr | $220K |
| Avalanche | Very Low | 0.01 / yr | $183 |
| Earthquake | Very Low | 0.00 / yr | $90K |
| Cold Wave | Low | 3.32 / yr | $325K |
| Strong Wind | Low | 1.46 / yr | $230K |
| Wildfire | Very Low | 0.00 / yr | $9K |
| Hail | Very Low | 2.27 / yr | $61K |
| Winter Weather | Very Low | 15.58 / yr | $6K |
| Coastal Flood | 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 Tioga County?
Tioga County has a composite FEMA National Risk Index score of 59.9 out of 100, placing it in the Low category and the 60th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Tioga County?
The three highest-rated hazards are Riverine Flood (Medium, $17M EAL), Landslide (Low, $5K EAL), Hurricane (Low, $260K EAL). These account for most of the county's expected annual losses.
How does Tioga County compare to other New York counties?
Tioga County ranks #44 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. Tioga County's $20M EAL is a statistical average, not a guarantee for any specific year or address.