Bossier Parish Disaster Risk

Bossier Parish has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 83th percentile nationally out of 3,144 counties. This composite score reflects the county's overall exposure to natural hazards including floods, wildfires, tornadoes, earthquakes, and hurricanes, weighted by expected annual loss and social vulnerability.

Bossier Parish is evaluated for five major natural hazard types: tornado (86th percentile), hurricane (75th percentile), flooding (74th percentile), earthquake (72th percentile), wildfire (39th percentile). The highest-risk hazard is tornado at the 86th percentile nationally. These scores are derived from FEMA's National Risk Index, which analyzes expected annual loss, social vulnerability, and community resilience for each hazard type.

Bossier Parish's composite risk percentile is 83th, compared to the Louisiana state average of 62th percentile. The state's overall risk rating is Relatively Low. This means Bossier Parish faces higher natural disaster risk than the typical county in Louisiana.

Yes, Bossier Parish's tornado risk is at the 86th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Bossier Parish is at the 74th percentile.

FEMA's National Risk Index (NRI) calculates risk scores for 18 natural hazard types across all U.S. counties and census tracts. The composite score combines Expected Annual Loss (estimated dollar losses from each hazard), Social Vulnerability (demographic factors affecting disaster impact), and Community Resilience (ability to recover). Percentile scores rank each county against all 3,144 U.S. counties, and risk ratings range from Very Low to Very High.

Bossier Parish's composite risk score of 83th percentile is above the Louisiana state average of 62th percentile. This elevated risk is driven by tornado exposure (86th percentile), along with hurricane and flooding and earthquake risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.