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Tornado History

Grant Tornado History

This county-level tornado history page focuses on Grant, South Dakota. The records below identify 21 tornadoes from 1955 through 2023, including a highest listed rating of F2 (Considerable damage). NOAA damage estimates in this group total at least $280K, with 0 deaths and 0 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes21
Total Deaths0
Total Injuries0
Property Damage$280K
Avg Length1.7 mi
Avg Width27 yd

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Key Tornado Facts for Grant, South Dakota

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

Average 0.3 tornadoes per year (0.5/yr in last decade)
May is the peak tornado month with 9 recorded events
Deadliest tornado: F2 in Grant, South Dakota with 0 deaths
1996 was the most active year with 5 tornadoes
The 1990s had the most tornado activity (7 events)
Longest tornado: 10.67 miles in Grant, South Dakota
Widest tornado: 100.0 yards in Grant, South Dakota
Most tornadoes in one day: 4 on Oct 26, 1996

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 Grant, 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.

5420

Summary: 1996 was the most active year with 5 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
F2
Unknown

Summary: F0 tornadoes are the most common in this group, with 8 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.

$250K$25K$2K$0

Summary: The highest reported property damage year in this group is 1981 with at least $250K in NOAA-listed property damage.

Historical Track Sketch

F2 August 28, 19551955F1 August 3, 19811981F1 May 23, 19731973F1 May 16, 19621962F1 August 15, 19731973F1 October 26, 19961996F1 August 12, 20062006EF1 May 12, 20222022EF1 May 12, 20222022EF1 May 30, 20222022EF1 May 30, 20222022F0 June 24, 19761976F0 May 17, 19961996F0 October 26, 19961996F0 October 26, 1996F0 October 26, 1996F0 June 26, 1998F0 June 26, 1998F0 June 23, 2003EF0 May 6, 2023Unknown May 21, 1977© 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
August 28, 1955F2Grant, South Dakota1.5 mi33 yd00$25K
August 3, 1981F1Grant, South Dakota0 mi33 yd00$250K
May 23, 1973F1Grant, South Dakota6 mi100 yd00$2K
May 16, 1962F1Grant, South Dakota1 mi33 yd00N/A
August 15, 1973F1Grant, South Dakota0.5 mi10 yd00N/A
October 26, 1996F1Grant, South Dakota1 mi75 yd00N/A
August 12, 2006F1Grant, South Dakota0.3 mi20 yd00N/A
May 12, 2022EF1Grant, South Dakota0.55 mi20 yd00N/A
May 12, 2022EF1Grant, South Dakota1.3 mi10 yd00N/A
May 30, 2022EF1Grant, South Dakota10.67 mi40 yd00N/A
May 30, 2022EF1Grant, South Dakota4.45 mi20 yd00N/A
June 24, 1976F0Grant, South Dakota1 mi10 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.