Tornado History
Allegheny Tornado History
This county-level tornado history page focuses on Allegheny, Pennsylvania. The records below identify 27 tornadoes from 1954 through 2024, including a highest listed rating of F4 (Devastating damage). NOAA damage estimates in this group total at least $292.9M, with 2 deaths and 145 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Allegheny, Pennsylvania
Top local patterns from the historical tornado records in this group.
Average 0.4 tornadoes per year (1.2/yr in last decade)
June is the peak tornado month with 9 recorded events
Deadliest tornado: F3 in Allegheny, Pennsylvania with 2 deaths
2024 was the most active year with 7 tornadoes
The 2020s had the most tornado activity (11 events)
Longest tornado: 26 miles in Allegheny, Pennsylvania
Widest tornado: 800.0 yards in Allegheny, Pennsylvania
Most tornadoes in one day: 3 on May 17, 2024
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Allegheny, Pennsylvania, June is the most active month with 9 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 2024 was the most active year with 7 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 1980 with at least $250.0M 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 Allegheny, 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 3, 1980 | F4 | Allegheny, Pennsylvania | 1.9 mi | 33 yd | 0 | 20 | $250.0M |
| August 3, 1963 | F3 | Allegheny, Pennsylvania | 0 mi | 33 yd | 2 | 70 | $25.0M |
| May 22, 1983 | F2 | Allegheny, Pennsylvania | 5 mi | 200 yd | 0 | 0 | $2.5M |
| May 13, 1956 | F2 | Allegheny, Pennsylvania | 0.7 mi | 200 yd | 0 | 5 | $250K |
| June 2, 1998 | F1 | Allegheny, Pennsylvania | 26 mi | 800 yd | 0 | 50 | $13.0M |
| June 26, 2024 | EF1 | Allegheny, Pennsylvania | 2.17 mi | 275 yd | 0 | 0 | $1.0M |
| October 21, 2021 | EF1 | Allegheny, Pennsylvania | 4.7 mi | 400 yd | 0 | 0 | $500K |
| April 8, 2020 | EF1 | Allegheny, Pennsylvania | 2.82 mi | 250 yd | 0 | 0 | $100K |
| May 17, 2024 | EF1 | Allegheny, Pennsylvania | 1.88 mi | 125 yd | 0 | 0 | $100K |
| May 8, 2024 | EF1 | Allegheny, Pennsylvania | 0.2 mi | 150 yd | 0 | 0 | $75K |
| June 26, 2024 | EF1 | Allegheny, Pennsylvania | 6.36 mi | 100 yd | 0 | 0 | $50K |
| June 21, 1981 | F1 | Allegheny, Pennsylvania | 0 mi | 33 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.