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Tornado History

Polk Tornado History

This county-level tornado history page focuses on Polk, Minnesota. The records below identify 79 tornadoes from 1955 through 2025, including a highest listed rating of EF3 (Severe damage). NOAA damage estimates in this group total at least $8.4M, with 4 deaths and 21 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes79
Total Deaths4
Total Injuries21
Property Damage$8.4M
Avg Length3.1 mi
Avg Width116 yd

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Key Tornado Facts for Polk, Minnesota

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

Average 1.1 tornadoes per year (2.0/yr in last decade)
June is the peak tornado month with 27 recorded events
Deadliest tornado: F1 in Polk, Minnesota with 2 deaths
2005 was the most active year with 9 tornadoes
The 2010s had the most tornado activity (21 events)
Longest tornado: 25.1 miles in Polk, Minnesota
Widest tornado: 800.0 yards in Polk, Minnesota
Most tornadoes in one day: 5 on Jun 23, 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 Polk, Minnesota, June is the most active month with 27 tornadoes.

Annual Tornado Trend

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

9630

Summary: 2005 was the most active year with 9 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
F2
EF2
EF3
EFU

Summary: F0 tornadoes are the most common in this group, with 27 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.

$6.5M$650K$65K$0

Summary: The highest reported property damage year in this group is 2018 with at least $6.5M in NOAA-listed property damage.

Historical Track Sketch

EF3 June 17, 20102010EF2 June 29, 20182018F2 July 13, 19771977F2 June 30, 19551955F2 July 13, 19771977F2 July 13, 19771977F2 May 21, 20052005F2 July 5, 19781978F2 June 23, 20052005F2 June 23, 20052005EF2 August 26, 20072007EF2 July 21, 20142014EF2 June 8, 20192019F1 July 9, 19661966F1 August 31, 1975F1 May 26, 1977EF1 August 9, 2021EF1 July 22, 2013F1 August 8, 2001EF1 May 30, 2011EF1 July 11, 2017EF1 September 19, 2017F1 June 25, 1963F1 June 25, 1970F1 July 13, 1977F1 July 24, 1978F1 July 25, 2002EF1 June 21, 2014F1 June 23, 2005F1 May 7, 2006EF1 June 17, 2010EF1 June 17, 2010EF1 July 19, 2016EF1 August 26, 2018EF1 August 26, 2018EF1 June 29, 2018F0 June 22, 1983EF0 August 9, 2021F0 July 21, 1978F0 August 29, 2004F0 July 24, 1978F0 July 5, 1979F0 August 8, 1984F0 July 27, 1986F0 July 1, 1987F0 July 1, 1987F0 August 8, 1993F0 August 18, 1995F0 June 5, 1996F0 June 5, 1996F0 July 14, 1996F0 July 20, 1998F0 July 20, 1998F0 June 24, 1998F0 July 15, 1999F0 May 15, 2001F0 August 26, 2002F0 August 26, 2002F0 June 19, 2005F0 May 20, 2005F0 May 20, 2005F0 June 23, 2005F0 June 23, 2005F0 May 7, 2006EF0 June 17, 2007EF0 June 17, 2010EF0 June 17, 2010EF0 June 26, 2010EF0 July 4, 2011EF0 August 28, 2016EF0 August 28, 2016EF0 April 23, 2022EF0 June 24, 2023EF0 July 7, 2025EF0 July 7, 2025EF0 August 8, 2025EFU June 24, 2023EFU June 24, 2023EFU May 15, 2025© 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 17, 2010EF3Polk, Minnesota9 mi150 yd12N/A
June 29, 2018EF2Polk, Minnesota15.38 mi400 yd00$6.5M
July 13, 1977F2Polk, Minnesota2.3 mi100 yd00$250K
June 30, 1955F2Polk, Minnesota0 mi440 yd07$25K
July 13, 1977F2Polk, Minnesota2 mi120 yd02$25K
July 13, 1977F2Polk, Minnesota1 mi100 yd00$25K
May 21, 2005F2Polk, Minnesota0.3 mi75 yd00$10K
July 5, 1978F2Polk, Minnesota21.3 mi400 yd19N/A
June 23, 2005F2Polk, Minnesota2 mi200 yd00N/A
June 23, 2005F2Polk, Minnesota1.5 mi200 yd00N/A
August 26, 2007EF2Polk, Minnesota3 mi300 yd00N/A
July 21, 2014EF2Polk, Minnesota25.1 mi800 yd00N/A

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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.