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Tornado History
Knox Tornado History
This county-level tornado history page focuses on Knox, Ohio. The records below identify 12 tornadoes from 1957 through 2024, including a highest listed rating of F2 (Considerable damage). NOAA damage estimates in this group total at least $1.6M, with 0 deaths and 17 injuries recorded across the listed events.
Key Tornado Statistics
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Check any addressKey Tornado Facts for Knox, 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 6 recorded events
Deadliest tornado: F2 in Knox, Ohio with 0 deaths
1981 was the most active year with 2 tornadoes
The 1980s had the most tornado activity (4 events)
Longest tornado: 10 miles in Knox, Ohio
Widest tornado: 200.0 yards in Knox, Ohio
Most tornadoes in one day: 1 on Jun 11, 1957
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Knox, Ohio, June is the most active month with 6 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 1981 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 1982 with at least $500K 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 |
|---|---|---|---|---|---|---|---|
| April 2, 1970 | F2 | Knox, Ohio | 2 mi | 150 yd | 0 | 1 | $250K |
| June 8, 1981 | F2 | Knox, Ohio | 3.8 mi | 50 yd | 0 | 2 | $250K |
| April 3, 1982 | F2 | Knox, Ohio | 0.8 mi | 50 yd | 0 | 9 | $250K |
| March 31, 1982 | F2 | Knox, Ohio | 1 mi | 200 yd | 0 | 4 | $250K |
| June 11, 1957 | F2 | Knox, Ohio | 0.5 mi | 100 yd | 0 | 0 | $25K |
| September 20, 2000 | F1 | Knox, Ohio | 10 mi | 75 yd | 0 | 0 | $150K |
| June 13, 2022 | EF1 | Knox, Ohio | 3.94 mi | 25 yd | 0 | 0 | $30K |
| August 3, 2006 | F0 | Knox, Ohio | 0.1 mi | 17 yd | 0 | 1 | $325K |
| June 5, 2024 | EF0 | Knox, Ohio | 3.26 mi | 80 yd | 0 | 0 | $30K |
| July 9, 1990 | F0 | Knox, Ohio | 1 mi | 50 yd | 0 | 0 | $25K |
| June 27, 1998 | F0 | Knox, Ohio | 0.5 mi | 70 yd | 0 | 0 | $10K |
| June 21, 1981 | F0 | Knox, Ohio | 2 mi | 150 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.