TN
Tennessee
Comprehensive climate risk and disaster history profile
80
Billion-Dollar Events
$57.7B
Total Economic Impact
95
Counties
48.93
Avg Risk Score
Top Natural Hazards
Based on FEMA National Risk Index data across all 95 counties
ERQK
78.4
Avg Risk Score
Tornado
65.82
Avg Risk Score
Lightning
63.87
Avg Risk Score
LNDS
62.81
Avg Risk Score
Strong Wind
62.69
Avg Risk Score
Flooding
48.77
Avg Risk Score
Disaster Type Breakdown
Historical billion-dollar events by category (1980-2024)
Severe Storm
53 events
$17.5B
Winter Storm
10 events
$2.9B
Drought
6 events
$1.4B
Tropical Cyclone
5 events
$33.1B
Flooding
3 events
$1.5B
Freeze
2 events
$0.2B
Wildfire
1 events
$1.2B
Disaster Trends by Decade
How disaster frequency and costs have changed over time
Highest Risk Counties
Counties with the highest overall risk scores based on FEMA NRI
| Rank | County | Risk Score | Risk Rating | SVI Percentile |
|---|---|---|---|---|
| 1 | Shelby | 99.24 | 8803.0% | |
| 2 | Davidson | 96.5 | 6916.0% | |
| 3 | Hamilton | 92.4 | 5404.0% | |
| 4 | Madison | 90.65 | 8536.0% | |
| 5 | Knox | 89.44 | 3498.0% | |
| 6 | Rutherford | 88.23 | 3975.0% | |
| 7 | Dyer | 86.8 | 6973.0% | |
| 8 | Gibson | 86.38 | 7829.0% | |
| 9 | Montgomery | 85.59 | 5589.0% | |
| 10 | Sumner | 83.36 | 3001.0% |
Recent Major Events
Most costly billion-dollar disasters in the past 10 years
Severe Storm
May 2025
$0.9B
Severe Storm
Apr 2025
$0.7B
4 fatalities
Severe Storm
Feb 2025
$0.3B
3 fatalities
Tropical Cyclone
Sep 2024
$15.7B
43 fatalities
Severe Storm
May 2024
$0.5B
Winter Storm
Jan 2024
$0.2B
5 fatalities
Severe Storm
Jul 2023
$0.4B
Severe Storm
Jun 2023
$0.4B
Severe Storm
May 2023
$0.3B
Severe Storm
Mar 2023
$0.7B
4 fatalities
Explore Tennessee Risk Data
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