Tornado History
Plymouth Tornado History
This county-level tornado history page focuses on Plymouth, Iowa. The records below identify 52 tornadoes from 1951 through 2026, including a highest listed rating of F3 (Severe damage). NOAA damage estimates in this group total at least $9.4M, with 0 deaths and 5 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Plymouth, Iowa
Top local patterns from the historical tornado records in this group.
Average 0.7 tornadoes per year (0.7/yr in last decade)
June is the peak tornado month with 14 recorded events
Deadliest tornado: F1 in Plymouth, Iowa with 0 deaths
1964 was the most active year with 5 tornadoes
The 1960s had the most tornado activity (12 events)
Longest tornado: 62.9 miles in Plymouth, Iowa
Widest tornado: 500.0 yards in Plymouth, Iowa
Most tornadoes in one day: 3 on Oct 4, 2013
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Plymouth, Iowa, June is the most active month with 14 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 1964 was the most active year with 5 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 1964 with at least $3.0M 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 Plymouth, Iowa.
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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 |
|---|---|---|---|---|---|---|---|
| May 5, 1964 | F3 | Plymouth, Iowa | 62.9 mi | 300 yd | 0 | 0 | $2.5M |
| June 14, 1967 | F3 | Plymouth, Iowa | 6.2 mi | 500 yd | 0 | 3 | $250K |
| May 8, 1964 | F3 | Plymouth, Iowa | 9.3 mi | 200 yd | 0 | 0 | $25K |
| June 7, 1965 | F3 | Plymouth, Iowa | 11.5 mi | 100 yd | 0 | 0 | $25K |
| July 5, 1978 | F2 | Plymouth, Iowa | 20.8 mi | 30 yd | 0 | 0 | $2.5M |
| September 7, 1964 | F2 | Plymouth, Iowa | 2 mi | 250 yd | 0 | 0 | $250K |
| September 7, 1964 | F2 | Plymouth, Iowa | 7.9 mi | 200 yd | 0 | 0 | $250K |
| August 7, 1991 | F2 | Plymouth, Iowa | 1.5 mi | 63 yd | 0 | 0 | $250K |
| May 27, 1954 | F2 | Plymouth, Iowa | 2.3 mi | 200 yd | 0 | 0 | $25K |
| June 9, 1963 | F2 | Plymouth, Iowa | 2 mi | 33 yd | 0 | 2 | $25K |
| March 16, 1963 | F2 | Plymouth, Iowa | 2 mi | 200 yd | 0 | 0 | $25K |
| June 14, 1967 | F2 | Plymouth, Iowa | 1 mi | 100 yd | 0 | 0 | $25K |
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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.