Tornado History
Rock Tornado History
This county-level tornado history page focuses on Rock, Minnesota. The records below identify 14 tornadoes from 1956 through 2026, including a highest listed rating of F2 (Considerable damage). NOAA damage estimates in this group total at least $538K, with 0 deaths and 7 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Rock, Minnesota
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 5 recorded events
Deadliest tornado: F2 in Rock, Minnesota with 0 deaths
1956 was the most active year with 1 tornadoes
The 1990s had the most tornado activity (4 events)
Longest tornado: 12.3 miles in Rock, Minnesota
Widest tornado: 120.0 yards in Rock, Minnesota
Most tornadoes in one day: 1 on Jun 29, 1956
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Rock, Minnesota, 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: 1956 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 1957 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 Rock, Minnesota.
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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 25, 1969 | F2 | Rock, Minnesota | 12.3 mi | 120 yd | 0 | 5 | $250K |
| June 29, 1956 | F2 | Rock, Minnesota | 0 mi | 33 yd | 0 | 0 | N/A |
| July 3, 1957 | F1 | Rock, Minnesota | 0 mi | 33 yd | 0 | 2 | $250K |
| May 9, 2004 | F1 | Rock, Minnesota | 6 mi | 100 yd | 0 | 0 | $20K |
| July 30, 1968 | F1 | Rock, Minnesota | 0 mi | 33 yd | 0 | 0 | $2K |
| May 7, 1993 | F1 | Rock, Minnesota | 5.5 mi | 100 yd | 0 | 0 | N/A |
| May 2, 1996 | F0 | Rock, Minnesota | 0.1 mi | 50 yd | 0 | 0 | $10K |
| June 22, 2007 | EF0 | Rock, Minnesota | 0.2 mi | 50 yd | 0 | 0 | $5K |
| April 25, 1994 | F0 | Rock, Minnesota | 0.1 mi | 10 yd | 0 | 0 | N/A |
| July 25, 1995 | F0 | Rock, Minnesota | 0.1 mi | 10 yd | 0 | 0 | N/A |
| June 20, 2005 | F0 | Rock, Minnesota | 0.5 mi | 50 yd | 0 | 0 | N/A |
| June 5, 2014 | EF0 | Rock, Minnesota | 0.25 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.