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Tornado History
Monona Tornado History
This county-level tornado history page focuses on Monona, Iowa. The records below identify 25 tornadoes from 1953 through 2024, including a highest listed rating of F4 (Devastating damage). NOAA damage estimates in this group total at least $250.3M, with 4 deaths and 62 injuries recorded across the listed events.
Key Tornado Statistics
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Check any addressKey Tornado Facts for Monona, Iowa
Top local patterns from the historical tornado records in this group.
Average 0.3 tornadoes per year (0.3/yr in last decade)
June is the peak tornado month with 8 recorded events
Deadliest tornado: EF3 in Monona, Iowa with 4 deaths
1998 was the most active year with 4 tornadoes
The 1990s had the most tornado activity (6 events)
Longest tornado: 10.9 miles in Monona, Iowa
Widest tornado: 1,200.0 yards in Monona, Iowa
Most tornadoes in one day: 3 on Apr 26, 2024
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Monona, Iowa, June is the most active month with 8 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 1998 was the most active year with 4 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 1986 with at least $250.0M 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 |
|---|---|---|---|---|---|---|---|
| July 28, 1986 | F4 | Monona, Iowa | 1 mi | 73 yd | 0 | 0 | $250.0M |
| June 11, 2008 | EF3 | Monona, Iowa | 7.49 mi | 440 yd | 4 | 48 | N/A |
| April 9, 2011 | EF3 | Monona, Iowa | 3.38 mi | 1200 yd | 0 | 14 | N/A |
| May 28, 1991 | F2 | Monona, Iowa | 5 mi | 60 yd | 0 | 0 | $250K |
| June 23, 1998 | F2 | Monona, Iowa | 2 mi | 50 yd | 0 | 0 | N/A |
| October 4, 2013 | EF2 | Monona, Iowa | 4.89 mi | 250 yd | 0 | 0 | N/A |
| March 21, 1953 | F1 | Monona, Iowa | 10.9 mi | 600 yd | 0 | 0 | $25K |
| May 18, 1962 | F1 | Monona, Iowa | 1.9 mi | 200 yd | 0 | 0 | $25K |
| June 8, 1967 | F1 | Monona, Iowa | 5.1 mi | 300 yd | 0 | 0 | $25K |
| May 29, 2008 | EF1 | Monona, Iowa | 3.8 mi | 200 yd | 0 | 0 | N/A |
| June 20, 2011 | EF1 | Monona, Iowa | 7.13 mi | 300 yd | 0 | 0 | N/A |
| April 26, 2024 | EF1 | Monona, Iowa | 3.29 mi | 250 yd | 0 | 0 | N/A |
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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.