Tornado History
Monona Tornado History
This county-level tornado history page focuses on Monona, Iowa. The records below identify 30 tornadoes from 1953 through 2024, including a highest listed rating of F4 (Devastating damage). NOAA damage estimates in this group total at least $250.7M, with 4 deaths and 62 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Monona, Iowa
Top local patterns from the historical tornado records in this group.
Average 0.4 tornadoes per year (0.3/yr in last decade)
June is the peak tornado month with 10 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 (7 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 10 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
This map covers the wider location—not your exact property.Measure the closest recorded track to a street address in or near Monona, 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 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 |
| September 9, 1965 | F2 | Monona, Iowa | 10.2 mi | 100 yd | 0 | 0 | $250K |
| 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 |
| May 16, 1999 | F1 | Monona, Iowa | 6.5 mi | 100 yd | 0 | 0 | $120K |
| 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 |
| September 9, 1965 | F1 | Monona, Iowa | 1 mi | 100 yd | 0 | 0 | $25K |
| June 8, 1967 | F1 | Monona, Iowa | 5.1 mi | 300 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.