Tornado History
Philadelphia Tornado History
This county-level tornado history page focuses on Philadelphia, Pennsylvania. The records below identify 12 tornadoes from 1958 through 2021, including a highest listed rating of EF3 (Severe damage). NOAA damage estimates in this group total at least $4.4M, with 0 deaths and 28 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Philadelphia, Pennsylvania
Top local patterns from the historical tornado records in this group.
Average 0.2 tornadoes per year (0.3/yr in last decade)
July is the peak tornado month with 5 recorded events
Deadliest tornado: F2 in Philadelphia, Pennsylvania with 0 deaths
1958 was the most active year with 2 tornadoes
The 1990s had the most tornado activity (3 events)
Longest tornado: 9.8 miles in Philadelphia, Pennsylvania
Widest tornado: 530.0 yards in Philadelphia, Pennsylvania
Most tornadoes in one day: 2 on Jul 14, 1958
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Philadelphia, Pennsylvania, July is the most active month with 5 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 1958 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 1991 with at least $2.5M 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 Philadelphia, 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 |
|---|---|---|---|---|---|---|---|
| July 29, 2021 | EF3 | Philadelphia, Pennsylvania | 0.62 mi | 530 yd | 0 | 0 | N/A |
| June 1, 1998 | F2 | Philadelphia, Pennsylvania | 5.6 mi | 200 yd | 0 | 0 | $1.8M |
| June 9, 1989 | F2 | Philadelphia, Pennsylvania | 0.5 mi | 50 yd | 0 | 1 | $25K |
| July 14, 1958 | F2 | Philadelphia, Pennsylvania | 0 mi | 27 yd | 0 | 0 | $2K |
| July 14, 1958 | F2 | Philadelphia, Pennsylvania | 9.8 mi | 27 yd | 0 | 0 | N/A |
| August 4, 2020 | EF2 | Philadelphia, Pennsylvania | 3.8 mi | 500 yd | 0 | 6 | N/A |
| August 3, 1991 | F1 | Philadelphia, Pennsylvania | 2 mi | 100 yd | 0 | 0 | $2.5M |
| June 7, 1978 | F1 | Philadelphia, Pennsylvania | 0.5 mi | 100 yd | 0 | 0 | $25K |
| July 31, 1985 | F1 | Philadelphia, Pennsylvania | 1.5 mi | 20 yd | 0 | 1 | $2K |
| May 18, 2011 | EF0 | Philadelphia, Pennsylvania | 0.12 mi | 33.3 yd | 0 | 2 | $50K |
| January 18, 1999 | F0 | Philadelphia, Pennsylvania | 0.2 mi | 20 yd | 0 | 18 | N/A |
| July 29, 2021 | EF0 | Philadelphia, Pennsylvania | 0.44 mi | 40 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.