Tornado History
Henry Tornado History
This county-level tornado history page focuses on Henry, Iowa. The records below identify 18 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.
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Key Tornado Statistics
Key Tornado Facts for Henry, Iowa
Top local patterns from the historical tornado records in this group.
Average 0.3 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
This map covers the wider location—not your exact property.Measure the closest recorded track to a street address in or near Henry, 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 |
|---|---|---|---|---|---|---|---|
| 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 |
| June 12, 1970 | F1 | Henry, Iowa | 1 mi | 50 yd | 0 | 0 | $2K |
| September 25, 2018 | EF1 | Henry, Iowa | 1.05 mi | 200 yd | 0 | 0 | $2K |
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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.