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Tornado History
Delaware Tornado History
This county-level tornado history page focuses on Delaware, Indiana. The records below identify 25 tornadoes from 1954 through 2025, including a highest listed rating of F4 (Devastating damage). NOAA damage estimates in this group total at least $8.7M, with 0 deaths and 1 injuries recorded across the listed events.
Key Tornado Statistics
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Check any addressKey Tornado Facts for Delaware, Indiana
Top local patterns from the historical tornado records in this group.
Average 0.3 tornadoes per year (0.6/yr in last decade)
June is the peak tornado month with 6 recorded events
Deadliest tornado: F2 in Delaware, Indiana with 0 deaths
1961 was the most active year with 2 tornadoes
The 1960s had the most tornado activity (8 events)
Longest tornado: 12.4 miles in Delaware, Indiana
Widest tornado: 1,400.0 yards in Delaware, Indiana
Most tornadoes in one day: 2 on Nov 5, 2017
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Delaware, Indiana, June 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: 1961 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 2024 with at least $4.0M 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 |
|---|---|---|---|---|---|---|---|
| April 3, 1974 | F4 | Delaware, Indiana | 0 mi | 1400 yd | 0 | 0 | N/A |
| September 24, 1961 | F3 | Delaware, Indiana | 12 mi | 33 yd | 0 | 1 | $250K |
| November 26, 1965 | F3 | Delaware, Indiana | 0.5 mi | 33 yd | 0 | 0 | $250K |
| March 14, 2024 | EF2 | Delaware, Indiana | 4.47 mi | 175 yd | 0 | 0 | $4.0M |
| September 20, 2002 | F2 | Delaware, Indiana | 11 mi | 100 yd | 0 | 0 | $3.0M |
| November 5, 2017 | EF2 | Delaware, Indiana | 5.11 mi | 600 yd | 0 | 0 | $90K |
| April 5, 1957 | F2 | Delaware, Indiana | 0 mi | 33 yd | 0 | 0 | $25K |
| May 19, 1960 | F2 | Delaware, Indiana | 0 mi | 33 yd | 0 | 0 | $25K |
| April 14, 1968 | F2 | Delaware, Indiana | 0 mi | 33 yd | 0 | 0 | $2K |
| June 17, 1954 | F2 | Delaware, Indiana | 0 mi | 33 yd | 0 | 0 | N/A |
| June 26, 1973 | F1 | Delaware, Indiana | 12.4 mi | 80 yd | 0 | 0 | $250K |
| June 3, 1989 | F1 | Delaware, Indiana | 0.5 mi | 30 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.