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Tornado History

Jefferson Tornado History

This county-level tornado history page focuses on Jefferson, Wisconsin. The records below identify 45 tornadoes from 1965 through 2024, including a highest listed rating of F3 (Severe damage). NOAA damage estimates in this group total at least $10.0M, with 3 deaths and 32 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes45
Total Deaths3
Total Injuries32
Property Damage$10.0M
Avg Length3.9 mi
Avg Width115 yd

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Key Tornado Facts for Jefferson, Wisconsin

Top local patterns from the historical tornado records in this group.

Average 0.8 tornadoes per year (1.7/yr in last decade)
June is the peak tornado month with 11 recorded events
Deadliest tornado: F2 in Jefferson, Wisconsin with 3 deaths
2005 was the most active year with 7 tornadoes
The 2020s had the most tornado activity (15 events)
Longest tornado: 23.1 miles in Jefferson, Wisconsin
Widest tornado: 1,320.0 yards in Jefferson, Wisconsin
Most tornadoes in one day: 7 on Aug 18, 2005

Monthly Distribution

Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.

January
February
March
April
May
June
July
August
September
October
November
December

Summary: In Jefferson, Wisconsin, June is the most active month with 11 tornadoes.

Annual Tornado Trend

Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.

7530

Summary: 2005 was the most active year with 7 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
F2
F3

Summary: EF0 tornadoes are the most common in this group, with 15 recorded events.

Property Damage Trends

Visualizes reported property damage over time. Bars use a log-like scale so very large damage years do not flatten the rest of the chart.

$2.5M$250K$25K$0

Summary: The highest reported property damage year in this group is 1965 with at least $2.5M in NOAA-listed property damage.

Historical Track Sketch

F3 June 5, 19801980F2 April 11, 19651965F2 September 28, 19861986F2 March 27, 19911991F2 June 15, 19811981F2 May 8, 19881988F2 June 5, 19801980EF1 June 21, 20102010F1 August 18, 20052005EF1 March 31, 20232023F1 June 23, 20042004F1 August 18, 20052005F1 August 18, 20052005F1 August 9, 19791979F1 August 18, 2005EF1 June 22, 2024F1 June 20, 1974F1 August 18, 2005EF1 October 1, 2019EF1 July 29, 2021EF1 July 29, 2021EF1 July 28, 2023EF1 February 8, 2024EF0 March 31, 2023F0 August 18, 2005EF0 June 22, 2024EF0 May 26, 2024F0 August 18, 2005F0 August 13, 2002EF0 May 26, 2024F0 June 6, 1999F0 June 12, 1967F0 July 12, 1986F0 July 11, 2004EF0 June 7, 2008EF0 July 22, 2010EF0 July 22, 2010EF0 July 22, 2010EF0 July 22, 2010EF0 October 1, 2019EF0 July 29, 2021EF0 July 29, 2021EF0 October 12, 2022EF0 October 12, 2022EF0 October 12, 2022© OpenStreetMap contributors

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 5, 1980F3Jefferson, Wisconsin10.7 mi100 yd00$250K
April 11, 1965F2Jefferson, Wisconsin14.5 mi1320 yd328$2.5M
September 28, 1986F2Jefferson, Wisconsin9 mi100 yd01$2.5M
March 27, 1991F2Jefferson, Wisconsin9 mi440 yd00$2.5M
June 15, 1981F2Jefferson, Wisconsin23.1 mi50 yd03$250K
May 8, 1988F2Jefferson, Wisconsin6 mi173 yd00$250K
June 5, 1980F2Jefferson, Wisconsin6.2 mi33 yd00$25K
June 21, 2010EF1Jefferson, Wisconsin1.32 mi100 yd00$620K
August 18, 2005F1Jefferson, Wisconsin1.4 mi50 yd00$355K
March 31, 2023EF1Jefferson, Wisconsin2.51 mi50 yd00$300K
June 23, 2004F1Jefferson, Wisconsin7.1 mi150 yd00$150K
August 18, 2005F1Jefferson, Wisconsin0.7 mi50 yd00$30K

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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.