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Tornado History
Big Horn Tornado History
This county-level tornado history page focuses on Big Horn, Wyoming. The records below identify 28 tornadoes from 1958 through 2017, including a highest listed rating of F3 (Severe damage). NOAA damage estimates in this group total at least $352K, with 1 deaths and 2 injuries recorded across the listed events.
Key Tornado Statistics
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Check any addressKey Tornado Facts for Big Horn, Wyoming
Top local patterns from the historical tornado records in this group.
Average 0.5 tornadoes per year (0.1/yr in last decade)
June is the peak tornado month with 15 recorded events
Deadliest tornado: F2 in Big Horn, Wyoming with 1 deaths
1974 was the most active year with 3 tornadoes
The 1970s had the most tornado activity (6 events)
Longest tornado: 10 miles in Big Horn, Wyoming
Widest tornado: 400.0 yards in Big Horn, Wyoming
Most tornadoes in one day: 3 on Jun 1, 2005
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Big Horn, Wyoming, June is the most active month with 15 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 1974 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 1978 with at least $275K 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 |
|---|---|---|---|---|---|---|---|
| August 2, 1985 | F3 | Big Horn, Wyoming | 0.2 mi | 10 yd | 0 | 0 | N/A |
| July 4, 1978 | F2 | Big Horn, Wyoming | 5 mi | 200 yd | 0 | 1 | $250K |
| June 3, 1958 | F2 | Big Horn, Wyoming | 0.2 mi | 17 yd | 0 | 0 | $25K |
| June 26, 1959 | F2 | Big Horn, Wyoming | 9.2 mi | 333 yd | 1 | 1 | $2K |
| July 9, 1962 | F2 | Big Horn, Wyoming | 0.5 mi | 17 yd | 0 | 0 | $2K |
| June 12, 1962 | F2 | Big Horn, Wyoming | 0.5 mi | 33 yd | 0 | 0 | $2K |
| July 24, 1967 | F2 | Big Horn, Wyoming | 0 mi | 50 yd | 0 | 0 | $2K |
| June 18, 1978 | F1 | Big Horn, Wyoming | 0 mi | 33 yd | 0 | 0 | $25K |
| June 1, 2009 | EF1 | Big Horn, Wyoming | 0.36 mi | 35 yd | 0 | 0 | $5K |
| July 20, 1974 | F1 | Big Horn, Wyoming | 0 mi | 33 yd | 0 | 0 | $2K |
| June 20, 1974 | F1 | Big Horn, Wyoming | 0.1 mi | 33 yd | 0 | 0 | $2K |
| June 20, 1974 | F1 | Big Horn, Wyoming | 0.1 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.