Severe Weather History


County archive · 1950 — present

Decatur County, Tennessee

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Decatur County, Tennessee severe weather history spans 198 recorded events between 1975 and 2026. The dominant hazard is thunderstorm wind, accounting for 44.9% of all recorded events. It ranks #2,455 nationally and #80 in Tennessee.

198

Recorded events

0

Direct deaths

2

Direct injuries

$12.0M

Property damage

The record

What the Decatur County, Tennessee severe weather history record shows

Across the archive, Decatur County, Tennessee severe weather history averages 3.9 recorded events a year. The busiest stretch on record is the 2000s, with 74 events logged in that decade alone. Roughly 5 events fall before 1990 and 193 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.

The costliest is flash flood, with $5.1M in reported property damage. In total, 6 distinct hazard types appear in this county archive, each listed with its own dated record below.

Decatur County, Tennessee severe weather history: recorded events per decade since 1950
Decatur County, Tennessee severe weather history: recorded events per decade since 1950

By hazard type

Every hazard type recorded in Decatur County

HazardEventsDeathsDamageMaxSpan
Thunderstorm Wind890$4.0M781975–2026
Hail560$38K31995–2024
Flash Flood430$5.1M01997–2025
Tornado80$2.9MF11984–2021
Lightning10$15K02000–2000
Heavy Rain10$002013–2013
Source: NOAA/NCEI Storm Events · dates UTC · preliminary data may revise

Decade by decade

Decatur County, Tennessee severe weather history by decade

21970s
31980s
381990s
742000s
532010s
282020s

Reporting practice changed over time — early decades are undercounted, not calmer.

Tornado tracks

Paths crossing this county

10 mapped tornado paths intersect this county: 6 touched down inside it and 4 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.

DateScaleDeathsInjuriesPath lengthOrigin
2011-02-24EF20012.2 miCrossed in
2021-12-11EF1009.1 miTouched down here
2017-03-27EF1005.5 miTouched down here
2010-04-24EF10025.6 miTouched down here
2008-02-05EF10010.1 miCrossed in
2000-05-25EF1005.4 miCrossed in
1984-05-07EF1000.1 miTouched down here
2021-03-27EF0000.5 miTouched down here
2015-05-20EF0001.2 miTouched down here
2010-05-02EF0005.7 miCrossed in
Source: NOAA SPC SVRGIS tornado tracks · path geometry intersected with county boundaries

Significant events

Deadliest events on record in Decatur County

DateTypeLocationDeathsInjuriesDamage
Oct 26, 2019Thunderstorm WindLIBERTY01$3.1M
May 31, 2001Thunderstorm WindBEACON01$100K
Source: NOAA/NCEI Storm Events · dates UTC

From the record

What the reports say

Written by National Weather Service staff at the time of the event · public domain

Context

Risk, population and federal disasters

Very Low

FEMA NRI risk rating

11,579

Population (ACS)

$140K

Median home value

28

Federal declarations

DeclaredIncidentTitleType
Feb 6, 2026Winter StormSEVERE WINTER STORMDR
Jan 24, 2026Winter StormSEVERE WINTER STORMEM
Jun 19, 2025Severe StormSEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODINGDR
Apr 2, 2025Severe StormSEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODINGEM
May 17, 2023Severe StormSEVERE STORMS, STRAIGHT-LINE WINDS, AND TORNADODR
Jan 14, 2022TornadoSEVERE STORMS, STRAIGHT-LINE WINDS, AND TORNADOESDR
Source: FEMA OpenFEMA disaster declarations · most recent first

Within the county

Most affected places

  • Parsons 102

Quick answers

Frequently asked

How many severe weather events have been recorded in Decatur County, Tennessee?

198 events are on record between 1975 and 2026, causing 0 direct deaths and $12.0M in property damage.

What is the most common severe weather hazard in Decatur County?

Thunderstorm Wind, with 89 recorded events — 44.9% of everything in the archive for this county.

How many tornadoes have crossed Decatur County?

10 mapped tornado paths intersect the county boundary; 6 of them touched down inside it. This is derived from path geometry, not county-tagged reports.

How many federal disaster declarations cover Decatur County?

28 federal disaster declarations from FEMA include Decatur County, each tied to a specific incident period.

How risky is Decatur County compared with the rest of the country?

FEMA's National Risk Index rates Decatur County as very low risk, placing it in the 38 percentile of its state for expected annual loss.

Where does the Decatur County, Tennessee severe weather history data come from?

Every figure is drawn from United States federal public-domain records: NOAA/NCEI Storm Events for the event archive, NOAA SPC SVRGIS for mapped tornado paths, FEMA for disaster declarations and risk ratings, and the U.S. Census for population context. Dates are shown in UTC and recent entries may still be revised by NOAA.

Nearby

Neighbouring counties

All counties in this state →

Cite this page

“Decatur County, Tennessee.” Severe Weather History. severeweatherhistory.com/county/tennessee/decatur-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


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