Tornado History

Butler Tornado History

This county-level tornado history page focuses on Butler, Iowa. The records below identify 31 tornadoes from 1952 through 2021, including a highest listed rating of EF5 (Incredible damage). NOAA damage estimates in this group total at least $81.4M, with 9 deaths and 57 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes31
Total Deaths9
Total Injuries57
Property Damage$81.4M
Avg Length4.6 mi
Avg Width118 yd

Key Tornado Facts for Butler, Iowa

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

Average 0.4 tornadoes per year (0.4/yr in last decade)
June is the peak tornado month with 12 recorded events
Deadliest tornado: EF5 in Butler, Iowa with 9 deaths
2014 was the most active year with 8 tornadoes
The 2010s had the most tornado activity (9 events)
Longest tornado: 23.3 miles in Butler, Iowa
Widest tornado: 1,235.0 yards in Butler, Iowa
Most tornadoes in one day: 4 on Aug 31, 2014

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 Butler, Iowa, 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.

8630

Summary: 2014 was the most active year with 8 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
F2
F4
EF5
EFU

Summary: EF0 tornadoes are the most common in this group, with 10 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.

$75.0M$7.5M$750K$0

Summary: The highest reported property damage year in this group is 2008 with at least $75.0M in NOAA-listed property damage.

Historical Track Sketch

EF5 May 25, 20082008F4 September 1, 19611961F2 September 9, 19701970F2 June 4, 19751975F2 July 2, 19991999F2 June 27, 19981998F2 May 23, 19521952F1 June 22, 19841984EF1 July 14, 20212021EF1 June 16, 20142014EF1 June 16, 20142014F1 June 5, 19971997F1 September 6, 20012001F1 June 21, 20022002EF0 June 16, 2014F0 October 3, 1972EF0 August 31, 2014EF0 December 15, 2021EF0 November 28, 2016F0 July 6, 1982F0 July 23, 1960F0 June 22, 1984F0 June 1, 2001F0 May 26, 2005EF0 June 21, 2007EF0 June 21, 2007EF0 July 6, 2014EF0 August 31, 2014EF0 August 31, 2014EF0 August 31, 2014EFU July 14, 2021© 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
May 25, 2008EF5Butler, Iowa15.64 mi1235 yd950$75.0M
September 1, 1961F4Butler, Iowa23.3 mi27 yd07$2.5M
September 9, 1970F2Butler, Iowa1.9 mi200 yd00$25K
June 4, 1975F2Butler, Iowa0 mi33 yd00$25K
July 2, 1999F2Butler, Iowa4.5 mi35 yd00$25K
June 27, 1998F2Butler, Iowa20.5 mi75 yd00$10K
May 23, 1952F2Butler, Iowa0 mi17 yd00N/A
June 22, 1984F1Butler, Iowa6 mi77 yd00$2.5M
July 14, 2021EF1Butler, Iowa3.13 mi630 yd00$300K
June 16, 2014EF1Butler, Iowa4.71 mi100 yd00$200K
June 16, 2014EF1Butler, Iowa2.12 mi120 yd00$200K
June 5, 1997F1Butler, Iowa13.5 mi50 yd00$100K
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Related Location Pages

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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