Tornado History
Donnan Tornado History
This location page summarizes tornado records that list Donnan, Iowa as a begin or end location. The dataset includes 1 matching records from 2009 through 2009. The strongest matching rating is EF0 (Light damage), the latest matching tornado is August 19, 2009, and minimum reported property damage totals $22K.
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Key Tornado Statistics
Key Tornado Facts for Donnan, Iowa
Top local patterns from the historical tornado records in this group.
Average 1.0 tornadoes per year (0.0/yr in last decade)
August is the peak tornado month with 1 recorded events
Deadliest tornado: EF0 in Donnan, Iowa with 0 deaths
2009 was the most active year with 1 tornadoes
The 2000s had the most tornado activity (1 events)
Longest tornado: 3.53 miles in Donnan, Iowa
Widest tornado: 40.0 yards in Donnan, Iowa
Most tornadoes in one day: 1 on Aug 19, 2009
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Donnan, Iowa, August is the most active month with 1 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 2009 was the most active year with 1 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 2009 with at least $22K 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 Donnan, 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 |
|---|---|---|---|---|---|---|---|
| August 19, 2009 | EF0 | Fayette, Iowa | 3.53 mi | 40 yd | 0 | 0 | $22K |
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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.