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Tornado History

Marshall Tornado History

This county-level tornado history page focuses on Marshall, Iowa. The records below identify 37 tornadoes from 1951 through 2020, including a highest listed rating of F4 (Devastating damage). NOAA damage estimates in this group total at least $231.5M, with 0 deaths and 50 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes37
Total Deaths0
Total Injuries50
Property Damage$231.5M
Avg Length4.1 mi
Avg Width167 yd

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Key Tornado Facts for Marshall, Iowa

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

Average 0.5 tornadoes per year (0.6/yr in last decade)
June is the peak tornado month with 11 recorded events
Deadliest tornado: F3 in Marshall, Iowa with 0 deaths
2004 was the most active year with 6 tornadoes
The 2000s had the most tornado activity (10 events)
Longest tornado: 17 miles in Marshall, Iowa
Widest tornado: 1,200.0 yards in Marshall, Iowa
Most tornadoes in one day: 3 on Aug 10, 2020

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 Marshall, Iowa, 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.

6420

Summary: 2004 was the most active year with 6 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
F2
F3
EF3
F4
EFU

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.

$200.0M$20.0M$2.0M$0

Summary: The highest reported property damage year in this group is 2018 with at least $200.0M in NOAA-listed property damage.

Historical Track Sketch

F4 May 24, 19891989EF3 July 19, 20182018F3 April 23, 19611961F3 June 1, 19511951F3 September 16, 19781978F2 April 10, 19811981F2 May 28, 19621962F2 June 6, 19691969F2 June 11, 19691969F1 April 14, 19941994F1 June 13, 20002000EF1 June 30, 20142014F1 August 3, 20042004F1 August 26, 20042004EF1 June 8, 2008F1 June 6, 1969F1 September 12, 1991F1 June 29, 1998EF1 August 10, 2020F1 September 5, 2004F1 May 22, 2004F1 May 30, 1998F1 June 11, 1966EF0 June 30, 2014F0 September 5, 2004F0 June 18, 1974F0 July 11, 1987F0 May 24, 1989F0 April 11, 2001EF0 November 11, 2015F0 May 19, 1996F0 May 22, 2004EF0 July 19, 2008EF0 July 19, 2018EF0 March 28, 2020EFU August 10, 2020EFU August 10, 2020© 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
May 24, 1989F4Marshall, Iowa13.5 mi150 yd00$25.0M
July 19, 2018EF3Marshall, Iowa8.41 mi1200 yd023$200.0M
April 23, 1961F3Marshall, Iowa7.4 mi800 yd06$2.5M
June 1, 1951F3Marshall, Iowa1.5 mi880 yd07N/A
September 16, 1978F3Marshall, Iowa11.3 mi200 yd00N/A
April 10, 1981F2Marshall, Iowa5.6 mi500 yd09$2.5M
May 28, 1962F2Marshall, Iowa0 mi200 yd05$250K
June 6, 1969F2Marshall, Iowa0 mi200 yd00$25K
June 11, 1969F2Marshall, Iowa1 mi100 yd00$25K
April 14, 1994F1Marshall, Iowa1.5 mi30 yd00$500K
June 13, 2000F1Marshall, Iowa14 mi40 yd00$150K
June 30, 2014EF1Marshall, Iowa5.53 mi460 yd00$150K

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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.