Tornado History
Boulder Tornado History
This county-level tornado history page focuses on Boulder, Colorado. The records below identify 11 tornadoes from 1953 through 2015, including a highest listed rating of EF3 (Severe damage). NOAA damage estimates in this group total at least $282K, with 0 deaths and 0 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Boulder, Colorado
Top local patterns from the historical tornado records in this group.
Average 0.2 tornadoes per year (0.0/yr in last decade)
June is the peak tornado month with 5 recorded events
Deadliest tornado: F1 in Boulder, Colorado with 0 deaths
1980 was the most active year with 2 tornadoes
The 1990s had the most tornado activity (4 events)
Longest tornado: 5.84 miles in Boulder, Colorado
Widest tornado: 440.0 yards in Boulder, Colorado
Most tornadoes in one day: 1 on Sep 17, 1953
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Boulder, Colorado, June is the most active month with 5 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 1980 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 1988 with at least $250K 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 Boulder, Colorado.
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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 |
|---|---|---|---|---|---|---|---|
| June 4, 2015 | EF3 | Boulder, Colorado | 5.84 mi | 440 yd | 0 | 0 | N/A |
| June 5, 1988 | F2 | Boulder, Colorado | 0.5 mi | 50 yd | 0 | 0 | $250K |
| October 15, 1980 | F2 | Boulder, Colorado | 1.5 mi | 50 yd | 0 | 0 | $25K |
| September 17, 1953 | F1 | Boulder, Colorado | 0.1 mi | 50 yd | 0 | 0 | $2K |
| May 12, 1955 | F1 | Boulder, Colorado | 0.1 mi | 150 yd | 0 | 0 | $2K |
| May 17, 1978 | F1 | Boulder, Colorado | 0.5 mi | 17 yd | 0 | 0 | $2K |
| April 30, 1980 | F1 | Boulder, Colorado | 5.7 mi | 20 yd | 0 | 0 | N/A |
| June 16, 1996 | F1 | Boulder, Colorado | 1.5 mi | 300 yd | 0 | 0 | N/A |
| June 6, 1997 | F1 | Boulder, Colorado | 0.1 mi | 50 yd | 0 | 0 | N/A |
| June 1, 1990 | F0 | Boulder, Colorado | 0.2 mi | 20 yd | 0 | 0 | N/A |
| July 12, 1996 | F0 | Boulder, Colorado | 0.1 mi | 50 yd | 0 | 0 | N/A |
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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.