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Tornado History
Henry Tornado History
This county-level tornado history page focuses on Henry, Iowa. The records below identify 17 tornadoes from 1957 through 2024, including a highest listed rating of F2 (Considerable damage). NOAA damage estimates in this group total at least $2.2M, with 0 deaths and 4 injuries recorded across the listed events.
Key Tornado Statistics
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Check any addressKey Tornado Facts for Henry, Iowa
Top local patterns from the historical tornado records in this group.
Average 0.2 tornadoes per year (0.4/yr in last decade)
May is the peak tornado month with 6 recorded events
Deadliest tornado: F1 in Henry, Iowa with 0 deaths
1977 was the most active year with 2 tornadoes
The 2010s had the most tornado activity (6 events)
Longest tornado: 16.4 miles in Henry, Iowa
Widest tornado: 600.0 yards in Henry, Iowa
Most tornadoes in one day: 2 on May 4, 1977
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Henry, Iowa, May is the most active month with 6 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 1977 was the most active year with 2 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 2003 with at least $1.0M 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 3, 2012 | EF2 | Henry, Iowa | 3.2 mi | 440 yd | 0 | 1 | $500K |
| May 4, 1977 | F2 | Henry, Iowa | 0 mi | 30 yd | 0 | 1 | $250K |
| April 16, 2024 | EF2 | Henry, Iowa | 13.25 mi | 600 yd | 0 | 0 | N/A |
| May 10, 2003 | F1 | Henry, Iowa | 16.4 mi | 200 yd | 0 | 0 | $1.0M |
| June 20, 2015 | EF1 | Henry, Iowa | 3.45 mi | 75 yd | 0 | 2 | $100K |
| April 21, 1973 | F1 | Henry, Iowa | 1 mi | 150 yd | 0 | 0 | $25K |
| July 5, 1980 | F1 | Henry, Iowa | 0 mi | 40 yd | 0 | 0 | $25K |
| June 29, 1983 | F1 | Henry, Iowa | 0.1 mi | 10 yd | 0 | 0 | $25K |
| April 25, 2008 | EF1 | Henry, Iowa | 1.3 mi | 20 yd | 0 | 0 | $10K |
| May 13, 1957 | F1 | Henry, Iowa | 6.8 mi | 33 yd | 0 | 0 | $2K |
| September 25, 2018 | EF1 | Henry, Iowa | 1.05 mi | 200 yd | 0 | 0 | $2K |
| January 24, 1967 | F0 | Henry, Iowa | 0 mi | 150 yd | 0 | 0 | $250K |
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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.