Sullivan County Disaster Risk

Sullivan County has a FEMA National Risk Index rating of Very Low, placing it in the 38th 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.

Sullivan County is evaluated for five major natural hazard types: hurricane (67th percentile), flooding (61th percentile), earthquake (43th percentile), tornado (23th percentile), wildfire (14th percentile). The highest-risk hazard is hurricane at the 67th 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.

Sullivan County's composite risk percentile is 38th, compared to the New Hampshire state average of 70th percentile. The state's overall risk rating is Relatively Low. This means Sullivan County faces lower natural disaster risk than the typical county in New Hampshire.

Yes, Sullivan County's hurricane risk is at the 67th percentile nationally. This is above the national median. For flooding specifically, Sullivan County is at the 61th 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.

Sullivan County's composite risk score of 38th percentile is below the New Hampshire state average of 70th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is hurricane at the 67th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.