Tornado History
Louisa Tornado History
This county-level tornado history page focuses on Louisa, Iowa. The records below identify 16 tornadoes from 1967 through 2024, including a highest listed rating of EF3 (Severe damage). NOAA damage estimates in this group total at least $28.0M, with 0 deaths and 3 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Louisa, Iowa
Top local patterns from the historical tornado records in this group.
Average 0.3 tornadoes per year (0.3/yr in last decade)
May is the peak tornado month with 7 recorded events
Deadliest tornado: F2 in Louisa, Iowa with 0 deaths
1967 was the most active year with 2 tornadoes
The 1980s had the most tornado activity (4 events)
Longest tornado: 16.6 miles in Louisa, Iowa
Widest tornado: 880.0 yards in Louisa, Iowa
Most tornadoes in one day: 2 on Jan 24, 1967
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Louisa, Iowa, May is the most active month with 7 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 1967 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 1988 with at least $25.0M 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 Louisa, 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 |
|---|---|---|---|---|---|---|---|
| June 1, 2007 | EF3 | Louisa, Iowa | 5.56 mi | 774 yd | 0 | 1 | $1.0M |
| May 8, 1988 | F2 | Louisa, Iowa | 7 mi | 60 yd | 0 | 0 | $25.0M |
| January 24, 1967 | F2 | Louisa, Iowa | 2 mi | 150 yd | 0 | 1 | $25K |
| May 9, 1970 | F2 | Louisa, Iowa | 1 mi | 100 yd | 0 | 0 | $25K |
| January 24, 1967 | F2 | Louisa, Iowa | 3 mi | 250 yd | 0 | 0 | $30 |
| March 6, 2017 | EF2 | Louisa, Iowa | 0.31 mi | 150 yd | 0 | 0 | N/A |
| May 20, 1987 | F1 | Louisa, Iowa | 11.5 mi | 27 yd | 0 | 0 | $250K |
| June 18, 1998 | F1 | Louisa, Iowa | 1 mi | 100 yd | 0 | 1 | $180K |
| April 16, 2024 | EF1 | Louisa, Iowa | 10.75 mi | 600 yd | 0 | 0 | N/A |
| May 10, 2003 | F0 | Louisa, Iowa | 11.5 mi | 200 yd | 0 | 0 | $1.0M |
| April 3, 1981 | F0 | Louisa, Iowa | 16.6 mi | 33 yd | 0 | 0 | $250K |
| April 30, 2003 | F0 | Louisa, Iowa | 16 mi | 880 yd | 0 | 0 | $200K |
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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.