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Tornado History
Harper Tornado History
This location page summarizes tornado records that list Harper, Kansas as a begin or end location. The dataset includes 11 matching records from 2003 through 2025. The strongest matching rating is F4 (Devastating damage), the latest matching tornado is June 17, 2025, and minimum reported property damage totals $760K.
Key Tornado Statistics
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Check any addressKey Tornado Facts for Harper, Kansas
Top local patterns from the historical tornado records in this group.
Average 0.5 tornadoes per year (0.2/yr in last decade)
May is the peak tornado month with 7 recorded events
Deadliest tornado: F0 in Harper, Kansas with 0 deaths
2004 was the most active year with 6 tornadoes
The 2000s had the most tornado activity (7 events)
Longest tornado: 9.68 miles in Harper, Kansas
Widest tornado: 500.0 yards in Harper, Kansas
Most tornadoes in one day: 5 on May 12, 2004
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Harper, Kansas, May is the most active month with 7 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 2004 was the most active year with 6 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 2004 with at least $735K in NOAA-listed property damage.
Historical Track Sketch
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 12, 2004 | F4 | Harper, Kansas | 1.2 mi | 500 yd | 0 | 1 | $275K |
| May 19, 2012 | EF3 | Harper, Kansas | 9.68 mi | 150 yd | 0 | 0 | N/A |
| May 12, 2004 | F2 | Harper, Kansas | 2 mi | 300 yd | 0 | 0 | $140K |
| May 12, 2004 | F2 | Harper, Kansas | 1 mi | 100 yd | 0 | 0 | $100K |
| May 12, 2004 | F1 | Harper, Kansas | 1.5 mi | 75 yd | 0 | 0 | $220K |
| July 9, 2003 | F0 | Harper, Kansas | 1 mi | 75 yd | 0 | 0 | $25K |
| May 12, 2004 | F0 | Harper, Kansas | 1 mi | 50 yd | 0 | 0 | N/A |
| May 29, 2004 | F0 | Harper, Kansas | 0.5 mi | 40 yd | 0 | 0 | N/A |
| December 14, 2014 | EF0 | Harper, Kansas | 5.98 mi | 100 yd | 0 | 0 | N/A |
| June 17, 2025 | EF0 | Harper, Kansas | 0.06 mi | 10 yd | 0 | 0 | N/A |
| June 23, 2019 | EFU | Harper, Kansas | 0.56 mi | 50 yd | 0 | 0 | N/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.