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Tornado History

Hennepin Tornado History

This county-level tornado history page focuses on Hennepin, Minnesota. The records below identify 30 tornadoes from 1951 through 2020, including a highest listed rating of F4 (Devastating damage). NOAA damage estimates in this group total at least $358.6M, with 14 deaths and 306 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes30
Total Deaths14
Total Injuries306
Property Damage$358.6M
Avg Length3.1 mi
Avg Width186 yd

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Key Tornado Facts for Hennepin, Minnesota

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

Average 0.4 tornadoes per year (0.3/yr in last decade)
July is the peak tornado month with 9 recorded events
Deadliest tornado: F4 in Hennepin, Minnesota with 6 deaths
1965 was the most active year with 2 tornadoes
The 1980s had the most tornado activity (6 events)
Longest tornado: 11.6 miles in Hennepin, Minnesota
Widest tornado: 880.0 yards in Hennepin, Minnesota
Most tornadoes in one day: 2 on May 6, 1965

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 Hennepin, Minnesota, July 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.

20

Summary: 1965 was the most active year with 2 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
F2
F3
F4

Summary: F0 tornadoes are the most common in this group, with 7 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.

$166.0M$16.6M$1.7M$0

Summary: The highest reported property damage year in this group is 2011 with at least $166.0M in NOAA-listed property damage.

Historical Track Sketch

F4 May 6, 19651965F4 May 6, 19651965F3 July 20, 19511951F3 June 14, 19811981F3 April 26, 19841984F3 July 23, 19871987F2 September 16, 20062006F2 June 23, 19521952F2 May 22, 19791979F2 July 18, 19861986F2 July 5, 19661966EF1 May 22, 20112011F1 July 16, 19841984EF1 August 8, 20092009F1 June 28, 1979EF1 September 2, 2019F1 August 2, 1963F1 July 21, 1995F1 May 9, 2004EF0 August 19, 2009EF0 August 14, 2020F0 June 13, 1983F0 July 15, 1969EF0 August 14, 2020F0 May 30, 1991F0 May 30, 1991F0 July 21, 1995F0 July 25, 2000F0 September 21, 2005EF0 May 21, 2011© 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 6, 1965F4Hennepin, Minnesota5.9 mi667 yd650$25.0M
May 6, 1965F4Hennepin, Minnesota4.6 mi300 yd088$25.0M
July 20, 1951F3Hennepin, Minnesota11.6 mi33 yd540$25.0M
April 26, 1984F3Hennepin, Minnesota1 mi60 yd152$25.0M
June 14, 1981F3Hennepin, Minnesota6.2 mi600 yd023$25.0M
July 23, 1987F3Hennepin, Minnesota5 mi170 yd00$25.0M
September 16, 2006F2Hennepin, Minnesota7 mi100 yd10$30.0M
June 23, 1952F2Hennepin, Minnesota0 mi220 yd05$2.5M
May 22, 1979F2Hennepin, Minnesota2 mi100 yd00$2.5M
July 18, 1986F2Hennepin, Minnesota2 mi833 yd00$2.5M
July 5, 1966F2Hennepin, Minnesota6.5 mi33 yd00$250K
May 22, 2011EF1Hennepin, Minnesota6.05 mi880 yd148$166.0M

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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.