Bradley County

Tennessee — Natural Disaster Risk Assessment

Low

Composite Risk Score

73.4

National percentile: 73th

Bradley County faces low composite natural disaster risk (NRI Risk Index score 73.4, 73th national percentile), driven primarily by earthquake and tornado exposure. Expected annual loss across all 18 hazard types is $36M.

Source: FEMA National Risk Index v1.20 · Updated December 2025

Expected Annual Loss $36M Annualized county-level EAL
Social Vulnerability Low Population sensitivity
Community Resilience Low Capacity to recover
Population 108K Latest estimate

Top Hazards

Earthquake
Medium $8M/yr
Tornado
Medium $7M/yr
Landslide
Low $25K/yr

All 18 Hazard Risks

Earthquake Medium 0.00 / yr $8M
Tornado Medium 0.19 / yr $7M
Landslide Low 0.64 / yr $25K
Lightning Medium 60.72 / yr $806K
Cold Wave Medium 0.53 / yr $3M
Riverine Flood Low 1.00 / yr $14M
Winter Weather Medium 3.42 / yr $138K
Hail Low 3.79 / yr $562K
Strong Wind Medium 4.19 / yr $914K
Ice Storm Medium 0.58 / yr $169K
Hurricane Very Low 0.02 / yr $144K
Drought Low 26.36 / yr $195K
Wildfire Very Low 0.00 / yr $45K
Heat Wave Low 1.79 / yr $346K
Avalanche Very Low 0.00 / yr $0
Coastal Flood Very Low 0.00 / yr $0
Tsunami Very Low 0.00 / yr $0
Volcanic Activity Very Low 0.00 / yr $0

Frequently Asked Questions

What is the overall natural disaster risk for Bradley County?

Bradley County has a composite FEMA National Risk Index score of 73.4 out of 100, placing it in the Low category and the 73th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.

What are the top natural hazards in Bradley County?

The three highest-rated hazards are Earthquake (Medium, $8M EAL), Tornado (Medium, $7M EAL), Landslide (Low, $25K EAL). These account for most of the county's expected annual losses.

How does Bradley County compare to other Tennessee counties?

Bradley County ranks #21 of 95 Tennessee counties for overall natural disaster risk, with a low rating.

What does Expected Annual Loss (EAL) mean?

EAL is FEMA's estimate of average annual dollar losses from natural hazards, calculated from historical event data and exposure models. Bradley County's $36M EAL is a statistical average, not a guarantee for any specific year or address.