Allen Parish
Louisiana — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 51th
Allen Parish faces low composite natural disaster risk (NRI Risk Index score 50.7, 51th national percentile), driven primarily by hurricane and lightning 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
| Hurricane | Medium | 0.12 / yr | $3M |
| Lightning | Medium | 77.62 / yr | $610K |
| Ice Storm | Medium | 0.78 / yr | $323K |
| Drought | Medium | 28.84 / yr | $751K |
| Wildfire | Low | 0.00 / yr | $256K |
| Cold Wave | Medium | 1.21 / yr | $2M |
| Tornado | Medium | 0.75 / yr | $2M |
| Heat Wave | Low | 10.34 / yr | $347K |
| Riverine Flood | Low | 0.57 / yr | $5M |
| Coastal Flood | Very Low | 0.01 / yr | $4K |
| Earthquake | Very Low | 0.00 / yr | $62K |
| Hail | Very Low | 1.84 / yr | $94K |
| Winter Weather | Very Low | 1.58 / yr | $19K |
| Strong Wind | Low | 0.81 / yr | $171K |
| Landslide | Very Low | 0.09 / yr | $14 |
| 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 Allen Parish?
Allen Parish has a composite FEMA National Risk Index score of 50.7 out of 100, placing it in the Low category and the 51th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Allen Parish?
The three highest-rated hazards are Hurricane (Medium, $3M EAL), Lightning (Medium, $610K EAL), Ice Storm (Medium, $323K EAL). These account for most of the county's expected annual losses.
How does Allen Parish compare to other Louisiana counties?
Allen Parish ranks #42 of 64 Louisiana 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. Allen Parish's $14M EAL is a statistical average, not a guarantee for any specific year or address.