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Tornado History

Mahnomen Tornado History

This county-level tornado history page focuses on Mahnomen, Minnesota. The records below identify 22 tornadoes from 1966 through 2023, including a highest listed rating of F2 (Considerable damage). NOAA damage estimates in this group total at least $1.6M, with 0 deaths and 0 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes22
Total Deaths0
Total Injuries0
Property Damage$1.6M
Avg Length3.4 mi
Avg Width108 yd

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Key Tornado Facts for Mahnomen, Minnesota

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

Average 0.4 tornadoes per year (0.6/yr in last decade)
July is the peak tornado month with 11 recorded events
Deadliest tornado: F1 in Mahnomen, Minnesota with 0 deaths
1998 was the most active year with 3 tornadoes
The 2000s had the most tornado activity (5 events)
Longest tornado: 16.92 miles in Mahnomen, Minnesota
Widest tornado: 400.0 yards in Mahnomen, Minnesota
Most tornadoes in one day: 3 on Jul 20, 1998

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 Mahnomen, Minnesota, July 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.

3210

Summary: 1998 was the most active year with 3 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
F2
EF2
EFU

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.

$1.0M$100K$10K$0

Summary: The highest reported property damage year in this group is 2013 with at least $1.0M in NOAA-listed property damage.

Historical Track Sketch

EF2 July 22, 20132013EF2 July 11, 20082008EF2 June 24, 20232023F2 July 5, 19781978F1 June 11, 19661966F1 July 25, 20022002EF1 June 22, 20152015EF1 May 24, 20192019EF1 June 24, 20222022F0 July 20, 19981998F0 June 13, 19751975F0 August 11, 20022002EF0 July 11, 20082008F0 July 10, 19811981F0 July 26, 1969F0 July 20, 1998F0 July 20, 1998EF0 July 24, 2008EF0 June 17, 2010EF0 May 24, 2019EFU June 24, 2023EFU June 24, 2023© 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
July 22, 2013EF2Mahnomen, Minnesota16.92 mi250 yd00$1.0M
July 11, 2008EF2Mahnomen, Minnesota16 mi250 yd00$500K
June 24, 2023EF2Mahnomen, Minnesota6.22 mi250 yd00$56K
July 5, 1978F2Mahnomen, Minnesota3.8 mi400 yd00N/A
June 11, 1966F1Mahnomen, Minnesota1.9 mi30 yd00$25K
July 25, 2002F1Mahnomen, Minnesota3 mi50 yd00N/A
June 22, 2015EF1Mahnomen, Minnesota0.23 mi30 yd00N/A
May 24, 2019EF1Mahnomen, Minnesota3.5 mi200 yd00N/A
June 24, 2022EF1Mahnomen, Minnesota3.82 mi400 yd00N/A
July 20, 1998F0Mahnomen, Minnesota0.3 mi25 yd00$30K
June 13, 1975F0Mahnomen, Minnesota1 mi50 yd00$25K
August 11, 2002F0Mahnomen, Minnesota0.2 mi25 yd00$5K

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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.