Tennessee

Comprehensive climate risk and disaster history profile

Billion-Dollar Events

$471.3B

Total Economic Impact

Counties

48.93

Avg Risk Score

Top Natural Hazards

Based on FEMA National Risk Index data across all 95 counties

Earthquake

78.4 Avg Risk Score

Tornado

65.82 Avg Risk Score

Lightning

63.87 Avg Risk Score

Heat Wave

63.35 Avg Risk Score

Landslide

62.81 Avg Risk Score

Strong Wind

62.69 Avg Risk Score

Cold Wave

50.51 Avg Risk Score

Riverine Flooding

48.77 Avg Risk Score

Historical billion-dollar events by category (1980-2024)

severe-storm 55 events

$127.4B

winter-storm 10 events

$36.9B

drought 8 events

$27.6B

tropical-cyclone 7 events

$262.6B

flooding 3 events

$11.4B

freeze 2 events

$3.0B

wildfire 1 events

$2.4B

How disaster frequency and costs have changed over time

Counties with the highest overall risk scores based on FEMA NRI

Rank	County	Risk Score	Risk Rating	SVI Percentile
1	Shelby	99.24	Relatively High	87.1%
2	Davidson	96.5	Relatively High	71.7%
3	Hamilton	92.4	Relatively Moderate	56.4%
4	Madison	90.65	Relatively Moderate	89.7%
5	Knox	89.44	Relatively Moderate	37.4%
6	Rutherford	88.23	Relatively Moderate	42.7%
7	Dyer	86.8	Relatively Moderate	63.3%
8	Gibson	86.38	Relatively Moderate	78.3%
9	Montgomery	85.59	Relatively Moderate	60.0%
10	Sumner	83.36	Relatively Moderate	29.3%