Tornado History
Decatur Tornado History
This county-level tornado history page focuses on Decatur, Tennessee. The records below identify 8 tornadoes from 1984 through 2021, including a highest listed rating of EF2 (Considerable damage). NOAA damage estimates in this group total at least $2.9M, with 0 deaths and 0 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Decatur, Tennessee
Top local patterns from the historical tornado records in this group.
Average 0.2 tornadoes per year (0.3/yr in last decade)
May is the peak tornado month with 3 recorded events
Deadliest tornado: F1 in Decatur, Tennessee with 0 deaths
2010 was the most active year with 2 tornadoes
The 2010s had the most tornado activity (5 events)
Longest tornado: 11.79 miles in Decatur, Tennessee
Widest tornado: 400.0 yards in Decatur, Tennessee
Most tornadoes in one day: 1 on May 7, 1984
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Decatur, Tennessee, May is the most active month with 3 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 2010 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 2011 with at least $1.5M 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 Decatur, Tennessee.
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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 |
|---|---|---|---|---|---|---|---|
| February 24, 2011 | EF2 | Decatur, Tennessee | 9.17 mi | 400 yd | 0 | 0 | $1.5M |
| April 24, 2010 | EF1 | Decatur, Tennessee | 11.79 mi | 400 yd | 0 | 0 | $1.0M |
| December 11, 2021 | EF1 | Decatur, Tennessee | 8.06 mi | 100 yd | 0 | 0 | $200K |
| March 27, 2017 | EF1 | Decatur, Tennessee | 5.5 mi | 100 yd | 0 | 0 | $150K |
| May 7, 1984 | F1 | Decatur, Tennessee | 0 mi | 33 yd | 0 | 0 | $25K |
| May 2, 2010 | EF0 | Decatur, Tennessee | 3.03 mi | 100 yd | 0 | 0 | $10K |
| May 20, 2015 | EF0 | Decatur, Tennessee | 1.23 mi | 70 yd | 0 | 0 | $5K |
| March 27, 2021 | EF0 | Decatur, Tennessee | 0.48 mi | 75 yd | 0 | 0 | N/A |
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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.