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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.
Key Tornado Statistics
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Check any addressKey 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
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 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.