Hamilton County, Tennessee tornadoes

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29confirmed tornadoes since NOAA records began in 1950 (the first here in 1974). Most recent: March 2, 2023, EF0. 2026 so far: 0 preliminary reports preliminary

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Map

Every tornado path in the county

Tornado paths, 1950 to 2025
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(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5Unrated

Each path is a straight line from where the tornado started to where it ended, which is all most NOAA records hold. Tap a path for its details.

Recent warnings

Recent warnings in Hamilton County

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The record

At a glance

Total291950 to 2025
Per year0.4average since 1950
Peak monthApril19 of 29
StrongestEF4Apr 27, 2011
Deaths24whole paths, see note
Injuries458whole paths, see note

Deaths and injuries are NOAA's totals for each tornado's whole path, which can extend beyond Hamilton County.

Seasons

When tornadoes hit here

By month

190 Jan: 0Feb: 2Mar: 3Apr: 19May: 0Jun: 1Jul: 0Aug: 1Sep: 0Oct: 3Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

April is the peak month, with 19 of 29 tornadoes.

By time of day

50 12 AM: 4: 0: 03 AM: 0: 1: 16 AM: 3: 4: 09 AM: 0: 1: 112 PM: 0: 3: 23 PM: 1: 5: 06 PM: 2: 0: 09 PM: 1: 0: 012 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 4:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

140 1950: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01960: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01970: 0: 0: 0: 0: 1: 0: 0: 1: 0: 01980: 1: 0: 0: 0: 0: 0: 0: 0: 0: 01990: 1: 0: 0: 0: 1: 3: 0: 1: 0: 02000: 0: 0: 0: 0: 0: 0: 0: 0: 0: 12010: 2: 14: 1: 0: 0: 0: 0: 0: 0: 02020: 1: 0: 0: 1: 0: 019501960197019801990200020102020

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones.

By rating

EF0
7
EF1
14
EF2
3
EF3
4
EF4
1

Ratings before February 2007 use the original F scale; the numbers line up with today's EF scale. Unknown means NOAA could not assign a rating.

The record

Notable tornadoes

Deadliest

EF4, April 27, 2011

20 deaths, 335 injuries Strongest

EF4, April 27, 2011

48 mile path Longest path

48 miles, EF4

April 27, 2011, whole path Widest

1,500 yards, EF3

April 12, 2020
Every tornado

All 29 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Mar 2, 2023EF02.21 mi100 yd00
Apr 12, 2020EF319.34 mi1,500 yd218
Mar 2, 2012EF341 mi400 yd044
Apr 27, 2011EF448 mi800 yd20335
Apr 27, 2011EF13.6 mi200 yd00
Apr 27, 2011EF14 mi90 yd00
Apr 27, 2011EF00.1 mi70 yd00
Apr 27, 2011EF13.8 mi125 yd00
Apr 27, 2011EF117 mi120 yd10
Apr 27, 2011EF10.6 mi100 yd00
Apr 27, 2011EF12.2 mi200 yd00
Apr 27, 2011EF00.5 mi100 yd00
Apr 27, 2011EF12.5 mi250 yd00
Apr 27, 2011EF10.7 mi80 yd00
Apr 27, 2011EF22.3 mi500 yd00
Feb 28, 2011EF12.6 mi150 yd00
Feb 28, 2011EF12.2 mi90 yd00
Oct 26, 2010EF21.2 mi100 yd06
Oct 25, 2010EF00.1 mi40 yd00
Apr 10, 2009EF10.5 mi30 yd00
Mar 29, 1997F38 mi100 yd044
Apr 21, 1995F11 mi300 yd00
Apr 21, 1995F25 mi330 yd00
Apr 21, 1995F00.1 mi30 yd00
Apr 15, 1994F315 mi880 yd19
Cities

Cities in Hamilton County

Each city page counts every tornado path within 10 miles of the city, including paths just over the county line.

Nearby

Nearby counties

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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025, and SPC preliminary reports for 2026. Page built October 13, 2026.