Tornado History
Marion Tornado History
This county-level tornado history page focuses on Marion, Iowa. The records below identify 47 tornadoes from 1962 through 2024, including a highest listed rating of EF3 (Severe damage). NOAA damage estimates in this group total at least $122.8M, with 0 deaths and 24 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Marion, Iowa
Top local patterns from the historical tornado records in this group.
Average 0.7 tornadoes per year (1.8/yr in last decade)
May is the peak tornado month with 19 recorded events
Deadliest tornado: F2 in Marion, Iowa with 0 deaths
2023 was the most active year with 7 tornadoes
The 2000s had the most tornado activity (11 events)
Longest tornado: 16.22 miles in Marion, Iowa
Widest tornado: 900.0 yards in Marion, Iowa
Most tornadoes in one day: 6 on May 13, 2023
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Marion, Iowa, May is the most active month with 19 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 2023 was the most active year with 7 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 2018 with at least $120.0M 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 Marion, 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 |
|---|---|---|---|---|---|---|---|
| July 19, 2018 | EF3 | Marion, Iowa | 5.11 mi | 800 yd | 0 | 13 | $120.0M |
| May 30, 2008 | EF2 | Marion, Iowa | 12.28 mi | 900 yd | 0 | 10 | $750K |
| May 28, 1962 | F2 | Marion, Iowa | 11.7 mi | 200 yd | 0 | 0 | $250K |
| June 22, 1964 | F2 | Marion, Iowa | 6.4 mi | 200 yd | 0 | 0 | $25K |
| June 5, 1972 | F2 | Marion, Iowa | 1.9 mi | 200 yd | 0 | 0 | $25K |
| November 11, 2015 | EF1 | Marion, Iowa | 4.38 mi | 100 yd | 0 | 1 | $350K |
| October 14, 1984 | F1 | Marion, Iowa | 3 mi | 40 yd | 0 | 0 | $250K |
| August 14, 1986 | F1 | Marion, Iowa | 0.2 mi | 23 yd | 0 | 0 | $250K |
| May 8, 1988 | F1 | Marion, Iowa | 0.5 mi | 30 yd | 0 | 0 | $250K |
| September 30, 2007 | EF1 | Marion, Iowa | 0.59 mi | 530 yd | 0 | 0 | $75K |
| June 28, 2017 | EF1 | Marion, Iowa | 16.22 mi | 500 yd | 0 | 0 | $75K |
| April 8, 1999 | F1 | Marion, Iowa | 1 mi | 100 yd | 0 | 0 | $50K |
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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.