Natural Disasters in Mercer, TN

Hazard risk, disaster history, and FEMA data

Natural Hazard Risk

Source: FEMA National Risk Index

Risk Score

92.1

Relatively Moderate

Expected Annual Loss

90.0

Score (0-100)

Social Vulnerability

72.9

Score (0-100)

Community Resilience

81.5

Score (0-100)

Top Hazard Risks

Earthquake98.2Tornado97.2Cold Wave96.8
HazardRisk Score
Earthquake98.2
Tornado97.2
Cold Wave96.8
Heat Wave91.6
Lightning90.2
Strong Wind88.2
Ice Storm88.1
Landslide80.2
Hurricane62.2
Drought55.2
Winter Weather51.9
Wildfire43.3
Hail16.3

Scores range from 0 (lowest risk) to 100 (highest risk) relative to all U.S. communities. Data from FEMA National Risk Index.

Disaster Declarations

Source: FEMA OpenFEMA

Total Declarations

23

Most Recent

Winter Storm

Jan 2026

Most Common Type

Severe Storm

15 declarations

DateTypeDeclaration
Jan 24, 2026Winter StormSEVERE WINTER STORM
Jun 19, 2025Severe StormSEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Apr 2, 2025Severe StormSEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
May 17, 2023Severe StormSEVERE STORMS, STRAIGHT-LINE WINDS, AND TORNADO
May 8, 2021TornadoSEVERE STORMS, TORNADOES, AND FLOODING
Jul 9, 2020Severe StormSEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Apr 2, 2020BiologicalCOVID-19 PANDEMIC
Mar 13, 2020BiologicalCOVID-19
Aug 13, 2014Severe StormSEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Apr 11, 2014Severe Ice StormSEVERE WINTER STORM
May 9, 2011Severe StormSEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
May 1, 2011Severe StormSEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND ASSOCIATED FLOODING
May 4, 2010Severe StormSEVERE STORMS, FLOODING, STRAIGHT-LINE WINDS, AND TORNADOES
Feb 7, 2008Severe StormSEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Sep 5, 2005HurricaneHURRICANE KATRINA EVACUATION
May 8, 2003Severe StormSEVERE STORMS, TORNADOES, AND FLOODING
Nov 13, 2002Severe StormSEVERE STORMS AND TORNADOS
Jan 19, 1999Severe StormSEVERE STORMS, TORNADOES AND HIGH WINDS
Apr 20, 1998Severe StormSEVERE STORMS, TORNADOES AND FLOODING
Jan 13, 1998Severe StormSEVERE STORMS AND FLOODING

Showing 20 of 23 declarations

Flood Insurance (NFIP)

Source: FEMA NFIP

Total Claims

173

Total Claims Paid

$3,431,052

Avg Claim Payout

$19,833

County-level NFIP data from FEMA National Flood Insurance Program.

Disaster Recovery Spending

Source: FEMA Public Assistance

Total Federal Spending

$52,063,993

Disasters with PA

18

Total Projects

496

DisasterTypeProjectsFederal $
DR-4514Biological11$19,246,927
DR-1464Severe Storm(s)31$17,119,784
DR-1909Severe Storm(s)237$5,003,660
DR-1262Severe Storm(s)48$2,659,784
DR-1745Severe Storm(s)30$1,847,422
DR-1974Severe Storm(s)57$1,276,286
DR-1979Severe Storm(s)20$1,061,479
DR-4878Severe Storm(s)9$699,403
DR-4189Severe Storm(s)7$621,362
DR-4601Severe Storm(s)11$588,140
DR-4712Severe Storm(s)8$472,827
DR-4171Severe Ice Storm5$405,876
DR-4832Tropical Storm2$352,623
DR-4550Severe Storm(s)11$350,029
DR-1441Severe Storm(s)5$292,348

Showing top 15 of 18 disasters by spending

Mercer has a relatively moderate overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are earthquake, tornado, cold wave. The area has had 23 federal disaster declarations. The most common disaster type is severe storm (15 declarations). 173 flood insurance claims have been filed in the area. FEMA has obligated $52,063,993 in public assistance recovery funding.