Shelby County, Tennessee: hazard risk

FEMA rates Shelby County's overall risk Relatively High (score 99.4 of 100, higher than 99% of rated U.S. counties); 9 of its 14 hazards are rated Relatively High or Very High, led by cold wave, tornado, heat wave. Its storm record holds 1,466 events since 1950.

FEMA's rating for each hazard

These are FEMA's county-wide model ratings and this county's storm record. They are not an assessment of any property, address or building, and not insurance advice: a property's risk depends on its own elevation, construction and location.

FEMA gives each hazard its own rating, and a rating does not follow the score from one hazard to the next: a hazard with a higher score can carry a lower rating than another. The table sorts by FEMA's rating, then by score (0 to 100, the county against every other county for that hazard).

National Risk Index (December 2025), Shelby County, by FEMA's rating, then score
HazardRisk ratingScoreExpected annual loss
Cold WaveVery High99.8$62M
TornadoVery High99.8$70M
Heat WaveRelatively High99.6$49M
EarthquakeRelatively High99.5$215M
Riverine FloodingRelatively High98.7$154M
LightningRelatively High96.2$1.7M
Ice StormRelatively High91.2$818K
Winter WeatherRelatively High88.7$290K
Strong WindRelatively High87.7$1.4M
LandslideRelatively Moderate92.6$63K
WildfireRelatively Low71.1$145K
HurricaneRelatively Low67.1$350K
DroughtRelatively Low37.0$39K
HailVery Low12.8$33K

Source: FEMA National Risk Index, December 2025 release. A model of future loss, not a count of past events. FEMA's National Risk Index map.

What the record holds

Storm records by hazard, with the county's rank by days with a record per 1,000 sq mi over each hazard's complete period
HazardRecordsDeathsDamageRank in stateRank in U.S.
Severe thunderstorm wind5746$104M19th of 95195th of 3,080
Hail3120$890K3rd of 95176th of 3,080
Floods2276$2.8B2nd of 95176th of 3,080
Heat13565–10th of 95128th of 3,076
Winter storms611$51K81st of 951780th of 3,077
Tornadoes567$386M4th of 95259th of 3,080
High wind and dust storms300$503K13th of 951247th of 3,080
Lightning272$2.3M4th of 95198th of 3,080
Drought230–60th of 951334th of 3,063
Extreme cold1617–13th of 951084th of 3,076
Heavy rain21–42nd of 951725th of 3,080
Hurricanes and tropical storms10$45K36th of 95981st of 1,849
Wildfires10$86K5th of 951052nd of 2,972

Source: NOAA NCEI Storm Events Database, 1950 to 2026-06-30; damage in 2025 dollars. Search the record at NCEI.

The full Shelby County record: every hazard by year and month, the deadliest events and FEMA's declarations.

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