Tornado History

Rock Tornado History

This county-level tornado history page focuses on Rock, Wisconsin. The records below identify 38 tornadoes from 1955 through 2026, including a highest listed rating of F2 (Considerable damage). NOAA damage estimates in this group total at least $41.3M, with 0 deaths and 3 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes38
Total Deaths0
Total Injuries3
Property Damage$41.3M
Avg Length3.7 mi
Avg Width115 yd

Key Tornado Facts for Rock, Wisconsin

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

Average 0.5 tornadoes per year (1.4/yr in last decade)
May is the peak tornado month with 9 recorded events
Deadliest tornado: F1 in Rock, Wisconsin with 0 deaths
2024 was the most active year with 5 tornadoes
The 2020s had the most tornado activity (13 events)
Longest tornado: 18.8 miles in Rock, Wisconsin
Widest tornado: 750.0 yards in Rock, Wisconsin
Most tornadoes in one day: 3 on Apr 17, 2026

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 Rock, Wisconsin, May is the most active month with 9 tornadoes.

Annual Tornado Trend

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

5420

Summary: 2024 was the most active year with 5 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
F2
EF2
Unknown

Summary: F1 tornadoes are the most common in this group, with 11 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.

$31.8M$3.2M$318K$0

Summary: The highest reported property damage year in this group is 2024 with at least $31.8M in NOAA-listed property damage.

Historical Track Sketch

EF2 June 22, 20242024EF2 February 8, 20242024F2 March 27, 19911991F2 June 25, 19981998F2 October 9, 19701970F2 November 1, 19711971F2 May 8, 19881988F2 September 22, 19611961F2 November 15, 19601960F1 April 11, 19651965EF1 April 17, 20262026F1 July 25, 20052005F1 June 26, 19691969F1 May 22, 19911991EF1 April 17, 2026EF1 April 17, 2026EF1 July 18, 2015F1 May 28, 1955F1 May 18, 1967F1 September 9, 1965F1 June 4, 1975F1 July 3, 1983F1 May 14, 1972F1 May 30, 2003EF0 March 31, 2023EF0 March 31, 2023EF0 May 26, 2024EF0 June 28, 2017EF0 May 26, 2024EF0 May 25, 2022EF0 June 23, 2009F0 August 5, 2000EF0 September 21, 2010F0 August 26, 2006EF0 August 9, 2021EF0 July 13, 2023EF0 July 15, 2024Unknown April 5, 1978© OpenStreetMap contributors
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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 22, 2024EF2Rock, Wisconsin6.03 mi700 yd00$24.8M
February 8, 2024EF2Rock, Wisconsin13.71 mi750 yd01$6.8M
March 27, 1991F2Rock, Wisconsin7 mi440 yd00$2.5M
June 25, 1998F2Rock, Wisconsin2.5 mi100 yd00$845K
October 9, 1970F2Rock, Wisconsin11.1 mi50 yd01$250K
November 1, 1971F2Rock, Wisconsin3 mi100 yd01$250K
May 8, 1988F2Rock, Wisconsin5 mi173 yd00$250K
September 22, 1961F2Rock, Wisconsin3.6 mi220 yd00$25K
November 15, 1960F2Rock, Wisconsin3 mi67 yd00$2K
April 11, 1965F1Rock, Wisconsin18.8 mi167 yd00$2.5M
April 17, 2026EF1Rock, Wisconsin1.89 mi75 yd00$408K
July 25, 2005F1Rock, Wisconsin2 mi50 yd00$300K
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Source And Limits

Data sourced from NOAA Storm Prediction Center and the NCEI Storm Events Database. TornadoTrace summarizes reported weather events for screening and research; it is not a damage assessment, inspection, or insurance determination. Coordinates and records can be approximate, incomplete, revised, or missing. No warranty of completeness or accuracy.

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