Harper County Disaster Risk

Harper County has a FEMA National Risk Index rating of Relatively Low, placing it in the 46th 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.

Harper County is evaluated for five major natural hazard types: wildfire (82th percentile), tornado (31th percentile), hurricane (29th percentile), earthquake (17th percentile), flooding (7th percentile). The highest-risk hazard is wildfire at the 82th 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.

Harper County's composite risk percentile is 46th, compared to the Oklahoma state average of 56th percentile. The state's overall risk rating is Relatively Low. This means Harper County faces lower natural disaster risk than the typical county in Oklahoma.

Yes, Harper County's wildfire risk is at the 82th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Harper County is at the 7th 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.

Harper County's composite risk score of 46th percentile is below the Oklahoma state average of 56th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is wildfire at the 82th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.