Miller County Disaster Risk

Miller County has a FEMA National Risk Index rating of Relatively Low, placing it in the 71th 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.

Miller County is evaluated for five major natural hazard types: tornado (85th percentile), earthquake (69th percentile), wildfire (64th percentile), flooding (57th percentile), hurricane (51th percentile). The highest-risk hazard is tornado at the 85th 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.

Miller County's composite risk percentile is 71th, compared to the Arkansas state average of 56th percentile. The state's overall risk rating is Relatively Low. This means Miller County faces higher natural disaster risk than the typical county in Arkansas.

Yes, Miller County's tornado risk is at the 85th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Miller County is at the 57th 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.

Miller County's composite risk score of 71th percentile is above the Arkansas state average of 56th percentile. This elevated risk is driven by tornado exposure (85th percentile), along with earthquake and wildfire and flooding and hurricane risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.