Union Parish
Louisiana — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 50th
Union Parish faces low composite natural disaster risk (NRI Risk Index score 49.7, 50th national percentile), driven primarily by ice storm and strong wind exposure. Expected annual loss across all 18 hazard types is $11M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Ice Storm | High | 1.28 / yr | $625K |
| Strong Wind | High | 3.80 / yr | $1M |
| Heat Wave | Low | 20.84 / yr | $847K |
| Tornado | Low | 0.67 / yr | $1M |
| Hurricane | Low | 0.04 / yr | $216K |
| Landslide | Very Low | 0.38 / yr | $2K |
| Riverine Flood | Low | 1.21 / yr | $6M |
| Earthquake | Very Low | 0.00 / yr | $209K |
| Hail | Low | 3.65 / yr | $169K |
| Wildfire | Very Low | 0.00 / yr | $23K |
| Drought | Low | 26.43 / yr | $54K |
| Lightning | Low | 65.65 / yr | $102K |
| Cold Wave | Very Low | 0.58 / yr | $135K |
| Winter Weather | Very Low | 3.16 / yr | $8K |
| 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 Union Parish?
Union Parish has a composite FEMA National Risk Index score of 49.7 out of 100, placing it in the Low category and the 50th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Union Parish?
The three highest-rated hazards are Ice Storm (High, $625K EAL), Strong Wind (High, $1M EAL), Heat Wave (Low, $847K EAL). These account for most of the county's expected annual losses.
How does Union Parish compare to other Louisiana counties?
Union Parish ranks #43 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. Union Parish's $11M EAL is a statistical average, not a guarantee for any specific year or address.