Tornado History

Knox Tornado History

This county-level tornado history page focuses on Knox, Tennessee. The records below identify 12 tornadoes from 1974 through 2023, including a highest listed rating of F3 (Severe damage). NOAA damage estimates in this group total at least $9.2M, with 2 deaths and 25 injuries recorded across the listed events.

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12recorded tornadoes
F3 (Severe damage)highest rating
$9.2Mminimum property damage
August 7, 2023latest tornado
10 milongest listed path
200 ydwidest listed path

Historical Track Sketch

F3 February 21, 19931993EF2 August 7, 20232023F1 May 15, 20032003F1 May 15, 20032003F1 April 3, 19741974EF1 April 27, 20112011F1 May 23, 20002000EF0 June 24, 20112011F0 May 27, 19811981EF0 March 2, 20122012EF0 April 27, 20112011EF0 March 2, 20122012© OpenStreetMap contributors

Rating Breakdown

  • F3 (Severe damage)1
  • EF2 (Considerable damage)1
  • F1 (Moderate damage)4
  • EF1 (Moderate damage)1
  • F0 (Light damage)1
  • EF0 (Light damage)4

Most Active Years

  • 20113
  • 20032
  • 20122
  • 19741
  • 19811
  • 19931
  • 20001
  • 20231

Notable Tornado Records

The table highlights the strongest and most damaging records in this page's local dataset. Damage totals are NOAA-reported minimum estimates where available.

DateRatingAreaLengthWidthDeathsInjuriesMin. property damage
February 21, 1993F3Knox, Tennessee10 mi150 yd03$5.0M
August 7, 2023EF2Knox, Tennessee3.7 mi200 yd00$3.7M
May 15, 2003F1Knox, Tennessee1.5 mi50 yd00$200K
May 15, 2003F1Knox, Tennessee2.5 mi50 yd00$150K
April 3, 1974F1Knox, Tennessee1 mi150 yd221$25K
April 27, 2011EF1Knox, Tennessee1 mi50 yd00$20K
May 23, 2000F1Knox, Tennessee0.5 mi40 yd01N/A
June 24, 2011EF0Knox, Tennessee1 mi100 yd00$40K
May 27, 1981F0Knox, Tennessee0.4 mi50 yd00$25K
March 2, 2012EF0Knox, Tennessee2.1 mi100 yd00$20K
April 27, 2011EF0Knox, Tennessee1 mi50 yd00$10K
March 2, 2012EF0Knox, Tennessee0.3 mi70 yd00$1K

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Source And Limits

Data source: NOAA/NCEI. TornadoTrace summarizes historical records for screening and research. Coordinates, damage estimates, narratives, and event details can be approximate, incomplete, revised, or missing. Do not use this page as legal, insurance, engineering, real estate, emergency management, or safety advice.