Sumner County
Kansas — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 49th
Sumner County faces low composite natural disaster risk (NRI Risk Index score 48.8, 49th national percentile), driven primarily by hail and tornado exposure. Expected annual loss across all 18 hazard types is $17M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Hail | Medium | 10.12 / yr | $995K |
| Tornado | Medium | 1.19 / yr | $4M |
| Drought | Medium | 59.86 / yr | $886K |
| Ice Storm | Medium | 0.67 / yr | $301K |
| Strong Wind | Medium | 6.93 / yr | $971K |
| Cold Wave | Medium | 1.42 / yr | $2M |
| Heat Wave | Low | 15.21 / yr | $859K |
| Wildfire | Low | 0.00 / yr | $131K |
| Riverine Flood | Low | 1.79 / yr | $7M |
| Winter Weather | Low | 10.00 / yr | $53K |
| Landslide | Very Low | 0.14 / yr | $412 |
| Earthquake | Very Low | 0.00 / yr | $99K |
| Hurricane | Very Low | 0.01 / yr | $7K |
| Lightning | Very Low | 50.80 / yr | $63K |
| Avalanche | Very Low | 0.00 / yr | $0 |
| 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 Sumner County?
Sumner County has a composite FEMA National Risk Index score of 48.8 out of 100, placing it in the Low category and the 49th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Sumner County?
The three highest-rated hazards are Hail (Medium, $995K EAL), Tornado (Medium, $4M EAL), Drought (Medium, $886K EAL). These account for most of the county's expected annual losses.
How does Sumner County compare to other Kansas counties?
Sumner County ranks #21 of 105 Kansas 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. Sumner County's $17M EAL is a statistical average, not a guarantee for any specific year or address.