Karnes County
Texas — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 58th
Karnes County faces low composite natural disaster risk (NRI Risk Index score 58.4, 58th national percentile), driven primarily by drought and hurricane exposure. Expected annual loss across all 18 hazard types is $12M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Drought | Medium | 65.11 / yr | $811K |
| Hurricane | Medium | 0.10 / yr | $2M |
| Hail | Medium | 2.07 / yr | $428K |
| Riverine Flood | Low | 2.64 / yr | $6M |
| Heat Wave | Low | 10.89 / yr | $381K |
| Tornado | Low | 0.30 / yr | $1M |
| Wildfire | Very Low | 0.00 / yr | $47K |
| Cold Wave | Low | 0.42 / yr | $495K |
| Lightning | Low | 48.93 / yr | $107K |
| Strong Wind | Low | 0.92 / yr | $158K |
| Winter Weather | Low | 1.63 / yr | $15K |
| Ice Storm | Low | 0.26 / yr | $16K |
| Earthquake | Very Low | 0.00 / yr | $7K |
| Landslide | Very Low | 0.09 / yr | $20 |
| 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 Karnes County?
Karnes County has a composite FEMA National Risk Index score of 58.4 out of 100, placing it in the Low category and the 58th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Karnes County?
The three highest-rated hazards are Drought (Medium, $811K EAL), Hurricane (Medium, $2M EAL), Hail (Medium, $428K EAL). These account for most of the county's expected annual losses.
How does Karnes County compare to other Texas counties?
Karnes County ranks #114 of 254 Texas 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. Karnes County's $12M EAL is a statistical average, not a guarantee for any specific year or address.