Putnam County Disaster Risk

Putnam County has a FEMA National Risk Index rating of Relatively Low, placing it in the 66th 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.

Putnam County is evaluated for five major natural hazard types: tornado (87th percentile), earthquake (86th percentile), flooding (60th percentile), hurricane (48th percentile), wildfire (27th percentile). The highest-risk hazard is tornado at the 87th 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.

Putnam County's composite risk percentile is 66th, compared to the Tennessee state average of 53th percentile. The state's overall risk rating is Relatively Low. This means Putnam County faces higher natural disaster risk than the typical county in Tennessee.

Yes, Putnam County's tornado risk is at the 87th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Putnam County is at the 60th 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.

Putnam County's composite risk score of 66th percentile is above the Tennessee state average of 53th percentile. This elevated risk is driven by tornado exposure (87th percentile), along with earthquake and flooding risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.