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Tornado History

Bon Homme Tornado History

This county-level tornado history page focuses on Bon Homme, South Dakota. The records below identify 24 tornadoes from 1954 through 2023, including a highest listed rating of F3 (Severe damage). NOAA damage estimates in this group total at least $1.0M, with 0 deaths and 2 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes24
Total Deaths0
Total Injuries2
Property Damage$1.0M
Avg Length5.2 mi
Avg Width164 yd

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Key Tornado Facts for Bon Homme, South Dakota

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

Average 0.3 tornadoes per year (0.3/yr in last decade)
May is the peak tornado month with 9 recorded events
Deadliest tornado: F3 in Bon Homme, South Dakota with 0 deaths
1985 was the most active year with 3 tornadoes
The 1980s had the most tornado activity (5 events)
Longest tornado: 35.6 miles in Bon Homme, South Dakota
Widest tornado: 1,760.0 yards in Bon Homme, South Dakota
Most tornadoes in one day: 3 on Apr 20, 1985

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 Bon Homme, South Dakota, May 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.

3210

Summary: 1985 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
F3
Unknown
EFU

Summary: F1 tornadoes are the most common in this group, with 4 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.

$275K$28K$3K$0

Summary: The highest reported property damage year in this group is 1965 with at least $275K in NOAA-listed property damage.

Historical Track Sketch

F3 June 5, 19621962F3 June 26, 19651965F3 June 18, 19541954F2 April 20, 19851985EF2 May 5, 20072007EF2 May 5, 20072007F2 May 10, 19561956EF1 March 23, 20092009F1 April 20, 19851985F1 May 14, 19611961F1 May 6, 19751975F1 July 19, 19811981EF0 September 10, 20192019F0 May 6, 19751975F0 June 22, 1984F0 April 20, 1985F0 May 3, 1999EF0 May 29, 2008EF0 April 15, 2012EF0 July 3, 2023Unknown June 21, 1965Unknown July 4, 1978Unknown June 25, 1978EFU May 30, 2022© 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 5, 1962F3Bon Homme, South Dakota9.5 mi1760 yd00$250K
June 26, 1965F3Bon Homme, South Dakota35.6 mi163 yd00$250K
June 18, 1954F3Bon Homme, South Dakota10.6 mi33 yd00$25K
April 20, 1985F2Bon Homme, South Dakota3.5 mi1000 yd00$250K
May 5, 2007EF2Bon Homme, South Dakota4 mi100 yd00$100K
May 5, 2007EF2Bon Homme, South Dakota3.5 mi100 yd00$50K
May 10, 1956F2Bon Homme, South Dakota5.6 mi100 yd02$250
March 23, 2009EF1Bon Homme, South Dakota0.86 mi100 yd00$30K
April 20, 1985F1Bon Homme, South Dakota0.1 mi3 yd00$25K
May 14, 1961F1Bon Homme, South Dakota0.3 mi60 yd00$2K
May 6, 1975F1Bon Homme, South Dakota0 mi33 yd00$250
July 19, 1981F1Bon Homme, South Dakota1.9 mi33 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.