Vermilion Parish
Louisiana — Natural Disaster Risk Assessment
MediumComposite Risk Score
National percentile: 85th
Vermilion Parish faces medium composite natural disaster risk (NRI Risk Index score 84.8, 85th national percentile), driven primarily by drought and hurricane exposure. Expected annual loss across all 18 hazard types is $44M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Drought | High | 27.02 / yr | $3M |
| Hurricane | High | 0.17 / yr | $19M |
| Lightning | High | 85.59 / yr | $1M |
| Riverine Flood | Medium | 0.93 / yr | $15M |
| Cold Wave | Medium | 1.05 / yr | $3M |
| Heat Wave | Low | 9.79 / yr | $1M |
| Coastal Flood | Medium | 4.79 / yr | $705K |
| Ice Storm | Medium | 0.35 / yr | $131K |
| Wildfire | Very Low | 0.00 / yr | $27K |
| Earthquake | Very Low | 0.00 / yr | $85K |
| Tornado | Low | 0.90 / yr | $413K |
| Hail | Very Low | 0.94 / yr | $76K |
| Strong Wind | Very Low | 0.39 / yr | $116K |
| Winter Weather | Very Low | 0.74 / yr | $8K |
| Landslide | Very Low | 0.11 / yr | $29 |
| Avalanche | 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 Vermilion Parish?
Vermilion Parish has a composite FEMA National Risk Index score of 84.8 out of 100, placing it in the Medium category and the 85th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Vermilion Parish?
The three highest-rated hazards are Drought (High, $3M EAL), Hurricane (High, $19M EAL), Lightning (High, $1M EAL). These account for most of the county's expected annual losses.
How does Vermilion Parish compare to other Louisiana counties?
Vermilion Parish ranks #21 of 64 Louisiana counties for overall natural disaster risk, with a medium 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. Vermilion Parish's $44M EAL is a statistical average, not a guarantee for any specific year or address.