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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.
Key Tornado Statistics
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Check any addressKey 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
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 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.