San Jacinto County
Texas — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 59th
San Jacinto County faces low composite natural disaster risk (NRI Risk Index score 58.9, 59th national percentile), driven primarily by tornado and hurricane exposure. Expected annual loss across all 18 hazard types is $14M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Tornado | Medium | 0.45 / yr | $5M |
| Hurricane | Low | 0.13 / yr | $640K |
| Lightning | Medium | 70.64 / yr | $400K |
| Wildfire | Low | 0.00 / yr | $107K |
| Riverine Flood | Low | 1.32 / yr | $6M |
| Ice Storm | Low | 0.77 / yr | $86K |
| Heat Wave | Low | 11.63 / yr | $358K |
| Cold Wave | Low | 0.63 / yr | $798K |
| Strong Wind | Low | 1.55 / yr | $306K |
| Landslide | Very Low | 0.10 / yr | $245 |
| Hail | Very Low | 2.38 / yr | $79K |
| Earthquake | Very Low | 0.00 / yr | $20K |
| Winter Weather | Very Low | 1.53 / yr | $3K |
| Avalanche | Very Low | 0.00 / yr | $0 |
| Coastal Flood | Very Low | 0.00 / yr | $0 |
| Drought | Very Low | 20.26 / 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 San Jacinto County?
San Jacinto County has a composite FEMA National Risk Index score of 58.9 out of 100, placing it in the Low category and the 59th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in San Jacinto County?
The three highest-rated hazards are Tornado (Medium, $5M EAL), Hurricane (Low, $640K EAL), Lightning (Medium, $400K EAL). These account for most of the county's expected annual losses.
How does San Jacinto County compare to other Texas counties?
San Jacinto County ranks #112 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. San Jacinto County's $14M EAL is a statistical average, not a guarantee for any specific year or address.