Tornado History
Delaware Tornado History
This county-level tornado history page focuses on Delaware, Pennsylvania. The records below identify 5 tornadoes from 1973 through 2019, including a highest listed rating of F2 (Considerable damage). NOAA damage estimates in this group total at least $5.3M, with 0 deaths and 2 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Delaware, Pennsylvania
Top local patterns from the historical tornado records in this group.
Average 0.1 tornadoes per year (0.1/yr in last decade)
June is the peak tornado month with 1 recorded events
Deadliest tornado: F2 in Delaware, Pennsylvania with 0 deaths
1973 was the most active year with 1 tornadoes
The 1990s had the most tornado activity (2 events)
Longest tornado: 3 miles in Delaware, Pennsylvania
Widest tornado: 250.0 yards in Delaware, Pennsylvania
Most tornadoes in one day: 1 on Jun 29, 1973
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Delaware, Pennsylvania, June 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: 1973 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 1993 with at least $5.0M 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 Delaware, Pennsylvania.
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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 29, 1973 | F2 | Delaware, Pennsylvania | 1.9 mi | 63 yd | 0 | 0 | $25K |
| October 31, 2019 | EF2 | Delaware, Pennsylvania | 0.47 mi | 250 yd | 0 | 2 | N/A |
| September 27, 1993 | F1 | Delaware, Pennsylvania | 3 mi | 200 yd | 0 | 0 | $5.0M |
| July 15, 1992 | F1 | Delaware, Pennsylvania | 0.7 mi | 100 yd | 0 | 0 | $250K |
| August 22, 2010 | EF0 | Delaware, Pennsylvania | 0.33 mi | 80 yd | 0 | 0 | $25K |
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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.