Windham County Disaster Risk

Windham County has a FEMA National Risk Index rating of Relatively Low, placing it in the 57th 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.

Windham County is evaluated for five major natural hazard types: hurricane (75th percentile), flooding (71th percentile), earthquake (50th percentile), tornado (40th percentile), wildfire (21th percentile). The highest-risk hazard is hurricane at the 75th 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.

Windham County's composite risk percentile is 57th, compared to the Vermont state average of 36th percentile. The state's overall risk rating is Very Low. This means Windham County faces higher natural disaster risk than the typical county in Vermont.

Yes, Windham County's hurricane risk is at the 75th percentile nationally. This is above the national median. For flooding specifically, Windham County is at the 71th 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.

Windham County's composite risk score of 57th percentile is above the Vermont state average of 36th percentile. This elevated risk is driven by hurricane exposure (75th percentile), along with flooding risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.