Tornado History
Allen Tornado History
This location page summarizes tornado records that list Allen, South Dakota as a begin or end location. The dataset includes 9 matching records from 1999 through 2019. The strongest matching rating is EF1 (Moderate damage), the latest matching tornado is July 3, 2019, and minimum reported property damage totals $100K.
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Key Tornado Statistics
Key Tornado Facts for Allen, South Dakota
Top local patterns from the historical tornado records in this group.
Average 0.4 tornadoes per year (0.4/yr in last decade)
June is the peak tornado month with 5 recorded events
Deadliest tornado: F0 in Allen, South Dakota with 0 deaths
2019 was the most active year with 3 tornadoes
The 2010s had the most tornado activity (5 events)
Longest tornado: 5.82 miles in Allen, South Dakota
Widest tornado: 720.0 yards in Allen, South Dakota
Most tornadoes in one day: 2 on Jun 5, 1999
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Allen, South Dakota, June is the most active month with 5 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 2019 was the most active year with 3 recorded tornadoes.
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.
Summary: The highest reported property damage year in this group is 2013 with at least $100K in NOAA-listed property damage.
Historical Track Sketch
This map covers the wider location—not your exact property.Measure the closest recorded track to a street address in or near Allen, South Dakota.
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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.
| Date | Rating | Area | Length | Width | Deaths | Injuries | Min. property damage |
|---|---|---|---|---|---|---|---|
| May 28, 2013 | EF1 | Bennett, South Dakota | 0.1 mi | 20 yd | 0 | 1 | $100K |
| June 29, 2019 | EF1 | Bennett, South Dakota | 5.82 mi | 720 yd | 0 | 0 | N/A |
| June 5, 1999 | F0 | Bennett, South Dakota | 5 mi | 550 yd | 0 | 0 | N/A |
| June 5, 1999 | F0 | Bennett, South Dakota | 3 mi | 100 yd | 0 | 0 | N/A |
| August 6, 2004 | F0 | Bennett, South Dakota | 0.1 mi | 10 yd | 0 | 0 | N/A |
| June 6, 2007 | EF0 | Bennett, South Dakota | 0.86 mi | 100 yd | 0 | 0 | N/A |
| June 12, 2017 | EF0 | Bennett, South Dakota | 0.01 mi | 7 yd | 0 | 0 | N/A |
| July 3, 2019 | EF0 | Bennett, South Dakota | 0.01 mi | 7 yd | 0 | 0 | N/A |
| July 3, 2019 | EF0 | Bennett, South Dakota | 0.01 mi | 7 yd | 0 | 0 | N/A |
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Source And Limits
Data sourced from NOAA Storm Prediction Center and the NCEI Storm Events Database. TornadoTrace summarizes reported weather events for screening and research; it is not a damage assessment, inspection, or insurance determination. Coordinates and records can be approximate, incomplete, revised, or missing. No warranty of completeness or accuracy.