Tornado History
Union Tornado History
This county-level tornado history page focuses on Union, Ohio. The records below identify 12 tornadoes from 1963 through 2024, including a highest listed rating of F3 (Severe damage). NOAA damage estimates in this group total at least $1.5M, with 0 deaths and 11 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Union, Ohio
Top local patterns from the historical tornado records in this group.
Average 0.2 tornadoes per year (0.2/yr in last decade)
June is the peak tornado month with 4 recorded events
Deadliest tornado: F1 in Union, Ohio with 0 deaths
1973 was the most active year with 2 tornadoes
The 1960s had the most tornado activity (4 events)
Longest tornado: 15.6 miles in Union, Ohio
Widest tornado: 600.0 yards in Union, Ohio
Most tornadoes in one day: 2 on Nov 10, 2002
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Union, Ohio, June is the most active month with 4 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 1973 was the most active year with 2 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 2002 with at least $550K 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 Union, Ohio.
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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 |
|---|---|---|---|---|---|---|---|
| November 10, 2002 | F3 | Union, Ohio | 7 mi | 300 yd | 0 | 2 | $500K |
| March 14, 2024 | EF2 | Union, Ohio | 15.6 mi | 600 yd | 0 | 0 | $500K |
| April 11, 1965 | F2 | Union, Ohio | 0 mi | 400 yd | 0 | 5 | $25K |
| June 21, 1981 | F1 | Union, Ohio | 1.9 mi | 100 yd | 0 | 3 | $250K |
| November 10, 2002 | F1 | Union, Ohio | 0.5 mi | 200 yd | 0 | 0 | $50K |
| September 12, 1963 | F1 | Union, Ohio | 0 mi | 33 yd | 0 | 0 | $25K |
| July 10, 1966 | F1 | Union, Ohio | 2 mi | 150 yd | 0 | 0 | $25K |
| June 6, 2010 | EF0 | Union, Ohio | 3.39 mi | 100 yd | 0 | 0 | $64K |
| December 29, 2024 | EF0 | Union, Ohio | 0.35 mi | 50 yd | 0 | 0 | $15K |
| June 19, 1973 | F0 | Union, Ohio | 0.3 mi | 100 yd | 0 | 1 | $2K |
| June 28, 1973 | F0 | Union, Ohio | 0.3 mi | 167 yd | 0 | 0 | $30 |
| March 8, 1964 | Unknown | Union, Ohio | 0 mi | 33 yd | 0 | 0 | $2K |
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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.