Tornado History
Holly Tornado History
This location page summarizes tornado records that list Holly, Colorado as a begin or end location. The dataset includes 6 matching records from 1999 through 2023. The strongest matching rating is EF3 (Severe damage), the latest matching tornado is June 23, 2023, and minimum reported property damage totals $4.0M.
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Key Tornado Statistics
Key Tornado Facts for Holly, Colorado
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 3 recorded events
Deadliest tornado: EF3 in Holly, Colorado with 2 deaths
1999 was the most active year with 1 tornadoes
The 2000s had the most tornado activity (2 events)
Longest tornado: 17 miles in Holly, Colorado
Widest tornado: 900.0 yards in Holly, Colorado
Most tornadoes in one day: 1 on Jun 9, 1999
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Holly, Colorado, June is the most active month with 3 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 1999 was the most active year with 1 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 2007 with at least $4.0M 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 Holly, 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 |
|---|---|---|---|---|---|---|---|
| March 28, 2007 | EF3 | Prowers, Colorado | 17 mi | 900 yd | 2 | 9 | $4.0M |
| June 23, 2023 | EF3 | Prowers, Colorado | 13.12 mi | 320 yd | 0 | 0 | N/A |
| June 9, 1999 | F0 | Prowers, Colorado | 0.1 mi | 50 yd | 0 | 0 | N/A |
| April 17, 2009 | EF0 | Prowers, Colorado | 0.7 mi | 50 yd | 0 | 0 | N/A |
| June 14, 2012 | EF0 | Prowers, Colorado | 1.02 mi | 50 yd | 0 | 0 | N/A |
| May 21, 2020 | EFU | Prowers, Colorado | 1 mi | 25 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.