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Tornado History
Plymouth Tornado History
This county-level tornado history page focuses on Plymouth, Iowa. The records below identify 45 tornadoes from 1951 through 2024, including a highest listed rating of F3 (Severe damage). NOAA damage estimates in this group total at least $9.3M, with 0 deaths and 5 injuries recorded across the listed events.
Key Tornado Statistics
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Check any addressKey Tornado Facts for Plymouth, Iowa
Top local patterns from the historical tornado records in this group.
Average 0.6 tornadoes per year (0.5/yr in last decade)
June is the peak tornado month with 12 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 (10 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 12 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
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 |
| August 7, 1991 | F2 | Plymouth, Iowa | 3 mi | 80 yd | 0 | 0 | $25K |
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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.