Tornado History

Union Tornado History

This county-level tornado history page focuses on Union, South Dakota. The records below identify 23 tornadoes from 1954 through 2014, including a highest listed rating of F3 (Severe damage). NOAA damage estimates in this group total at least $3.0M, with 0 deaths and 0 injuries recorded across the listed events.

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23recorded tornadoes
F3 (Severe damage)highest rating
$3.0Mminimum property damage
May 11, 2014latest tornado
7 milongest listed path
800 ydwidest listed path

Historical Track Sketch

F3 June 7, 19651965F2 July 7, 19871987F1 June 16, 19901990EF1 October 4, 20132013EF1 October 4, 20132013F1 May 27, 19541954F1 May 8, 19641964F1 July 22, 19831983F1 August 12, 19851985EF0 May 11, 20142014F0 April 18, 20042004F0 July 2, 19991999F0 June 1, 19631963F0 July 22, 19831983F0 July 22, 1983F0 July 22, 1983F0 July 28, 1986F0 August 17, 2001F0 May 28, 2004F0 May 28, 2004F0 June 4, 2005Unknown August 8, 1969Unknown July 5, 1978© OpenStreetMap contributors

Rating Breakdown

  • F3 (Severe damage)1
  • F2 (Considerable damage)1
  • F1 (Moderate damage)5
  • EF1 (Moderate damage)2
  • F0 (Light damage)11
  • EF0 (Light damage)1
  • Unknown rating2

Most Active Years

  • 19834
  • 20043
  • 20132
  • 19541
  • 19631
  • 19641
  • 19651
  • 19691

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
June 7, 1965F3Union, South Dakota0 mi33 yd00N/A
July 7, 1987F2Union, South Dakota6 mi50 yd00N/A
June 16, 1990F1Union, South Dakota7 mi60 yd00$2.5M
October 4, 2013EF1Union, South Dakota4.18 mi400 yd00$250K
October 4, 2013EF1Union, South Dakota4.75 mi800 yd00$200K
May 27, 1954F1Union, South Dakota0 mi33 yd00$2K
May 8, 1964F1Union, South Dakota0 mi33 yd00$2K
July 22, 1983F1Union, South Dakota0.2 mi10 yd00$2K
August 12, 1985F1Union, South Dakota5 mi30 yd00$2K
May 11, 2014EF0Union, South Dakota2.4 mi50 yd00$20K
April 18, 2004F0Union, South Dakota4 mi100 yd00$10K
July 2, 1999F0Union, South Dakota0.5 mi50 yd00$5K

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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.