Tornado History

Johnson Tornado History

This county-level tornado history page focuses on Johnson, Wyoming. The records below identify 20 tornadoes from 1973 through 2023, including a highest listed rating of EF2 (Considerable damage). NOAA damage estimates in this group total at least $23K, with 0 deaths and 2 injuries recorded across the listed events.

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20recorded tornadoes
EF2 (Considerable damage)highest rating
$23Kminimum property damage
June 23, 2023latest tornado
4.5 milongest listed path
300 ydwidest listed path

Historical Track Sketch

EF2 June 12, 20172017EF2 June 1, 20182018F1 August 11, 19991999F1 August 14, 19741974EF1 June 19, 20192019F1 May 9, 19771977F1 June 20, 19771977F1 July 23, 19731973F0 July 5, 19821982F0 June 18, 19791979F0 June 18, 19791979F0 June 18, 19791979F0 June 27, 19791979F0 June 27, 19791979F0 May 26, 1987F0 June 8, 1989F0 June 11, 1998EF0 May 29, 2008EF0 June 1, 2010EF0 June 23, 2023© OpenStreetMap contributors

Rating Breakdown

  • EF2 (Considerable damage)2
  • F1 (Moderate damage)5
  • EF1 (Moderate damage)1
  • F0 (Light damage)9
  • EF0 (Light damage)3

Most Active Years

  • 19795
  • 19772
  • 19731
  • 19741
  • 19821
  • 19871
  • 19891
  • 19981

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 12, 2017EF2Johnson, Wyoming1.58 mi250 yd00$10K
June 1, 2018EF2Johnson, Wyoming1.03 mi300 yd00N/A
August 11, 1999F1Johnson, Wyoming0.2 mi75 yd00$8K
August 14, 1974F1Johnson, Wyoming1.5 mi67 yd02$2K
June 19, 2019EF1Johnson, Wyoming4.09 mi250 yd00$2K
May 9, 1977F1Johnson, Wyoming4.5 mi27 yd00$250
June 20, 1977F1Johnson, Wyoming0 mi33 yd00$30
July 23, 1973F1Johnson, Wyoming0 mi33 yd00N/A
July 5, 1982F0Johnson, Wyoming0.2 mi50 yd00$250
June 18, 1979F0Johnson, Wyoming0.3 mi100 yd00N/A
June 18, 1979F0Johnson, Wyoming0 mi33 yd00N/A
June 18, 1979F0Johnson, Wyoming0 mi33 yd00N/A

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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.