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Tornado History
Allegany Tornado History
This county-level tornado history page focuses on Allegany, New York. The records below identify 11 tornadoes from 1993 through 2024, including a highest listed rating of F2 (Considerable damage). NOAA damage estimates in this group total at least $1.6M, with 0 deaths and 0 injuries recorded across the listed events.
Key Tornado Statistics
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Check any addressKey Tornado Facts for Allegany, New York
Top local patterns from the historical tornado records in this group.
Average 0.3 tornadoes per year (0.3/yr in last decade)
July is the peak tornado month with 4 recorded events
Deadliest tornado: F2 in Allegany, New York with 0 deaths
2002 was the most active year with 2 tornadoes
The 2000s had the most tornado activity (4 events)
Longest tornado: 7.84 miles in Allegany, New York
Widest tornado: 740.0 yards in Allegany, New York
Most tornadoes in one day: 2 on Jul 20, 2017
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Allegany, New York, July is the most active month with 4 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 2002 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 2002 with at least $535K 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 |
|---|---|---|---|---|---|---|---|
| September 3, 1993 | F2 | Allegany, New York | 3.5 mi | 50 yd | 0 | 0 | $500K |
| April 28, 2002 | F2 | Allegany, New York | 6.5 mi | 300 yd | 0 | 0 | $500K |
| July 20, 2017 | EF1 | Allegany, New York | 4.22 mi | 740 yd | 0 | 0 | $250K |
| August 9, 2009 | EF1 | Allegany, New York | 7.84 mi | 25 yd | 0 | 0 | $200K |
| June 27, 2010 | EF1 | Allegany, New York | 4.74 mi | 250 yd | 0 | 0 | $50K |
| August 22, 2002 | F1 | Allegany, New York | 4 mi | 150 yd | 0 | 0 | $35K |
| September 6, 2024 | EF1 | Allegany, New York | 5.98 mi | 200 yd | 0 | 0 | N/A |
| July 8, 1997 | F0 | Allegany, New York | 0.2 mi | 15 yd | 0 | 0 | $35K |
| July 20, 2017 | EF0 | Allegany, New York | 1.06 mi | 150 yd | 0 | 0 | $25K |
| July 30, 1996 | F0 | Allegany, New York | 0.5 mi | 10 yd | 0 | 0 | $22K |
| August 12, 2005 | F0 | Allegany, New York | 0.5 mi | 10 yd | 0 | 0 | $15K |
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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.