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Tornado History

Winnebago Tornado History

This county-level tornado history page focuses on Winnebago, Wisconsin. The records below identify 29 tornadoes from 1959 through 2020, including a highest listed rating of F4 (Devastating damage). NOAA damage estimates in this group total at least $9.7M, with 1 deaths and 52 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes29
Total Deaths1
Total Injuries52
Property Damage$9.7M
Avg Length2.9 mi
Avg Width55 yd

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Key Tornado Facts for Winnebago, Wisconsin

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

Average 0.5 tornadoes per year (0.4/yr in last decade)
June is the peak tornado month with 12 recorded events
Deadliest tornado: F4 in Winnebago, Wisconsin with 1 deaths
2005 was the most active year with 7 tornadoes
The 2000s had the most tornado activity (12 events)
Longest tornado: 16.6 miles in Winnebago, Wisconsin
Widest tornado: 200.0 yards in Winnebago, Wisconsin
Most tornadoes in one day: 4 on Jun 10, 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 Winnebago, Wisconsin, June is the most active month with 12 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
F4
Unknown

Summary: F0 tornadoes are the most common in this group, with 12 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 1964 with at least $2.5M in NOAA-listed property damage.

Historical Track Sketch

F4 April 21, 19741974F4 April 27, 19841984F2 May 8, 19641964EF1 April 10, 20112011F1 June 20, 19791979F1 August 14, 19871987F1 May 24, 19891989EF1 July 19, 20082008EF1 May 4, 20102010EF0 May 4, 20102010EF0 June 14, 20172017F0 August 18, 20052005F0 August 23, 19981998F0 May 6, 20022002F0 May 6, 2002F0 June 8, 2003F0 June 8, 2003F0 May 6, 2005F0 June 9, 2005F0 June 10, 2005F0 June 10, 2005F0 June 10, 2005F0 June 10, 2005EF0 August 18, 2014EF0 July 27, 2014EF0 June 20, 2020EF0 June 20, 2020EF0 June 20, 2020Unknown May 28, 1959© 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
April 27, 1984F4Winnebago, Wisconsin12 mi60 yd110$2.5M
April 21, 1974F4Winnebago, Wisconsin13.5 mi200 yd035$2.5M
May 8, 1964F2Winnebago, Wisconsin16.6 mi63 yd05$2.5M
April 10, 2011EF1Winnebago, Wisconsin8.71 mi150 yd00$1.4M
June 20, 1979F1Winnebago, Wisconsin0 mi33 yd02$250K
August 14, 1987F1Winnebago, Wisconsin0.2 mi100 yd00$250K
May 24, 1989F1Winnebago, Wisconsin1.2 mi50 yd00$250K
July 19, 2008EF1Winnebago, Wisconsin0.49 mi40 yd00$75K
May 4, 2010EF1Winnebago, Wisconsin0.7 mi100 yd00$10K
May 4, 2010EF0Winnebago, Wisconsin3.4 mi100 yd00$25K
June 14, 2017EF0Winnebago, Wisconsin1.05 mi50 yd00$5K
August 18, 2005F0Winnebago, Wisconsin4 mi50 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.