Tornado History
Ontario Tornado History
This county-level tornado history page focuses on Ontario, New York. The records below identify 7 tornadoes from 1994 through 2025, including a highest listed rating of EF2 (Considerable damage). NOAA damage estimates in this group total at least $1.1M, with 0 deaths and 0 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Ontario, New York
Top local patterns from the historical tornado records in this group.
Average 0.2 tornadoes per year (0.2/yr in last decade)
July is the peak tornado month with 3 recorded events
Deadliest tornado: F1 in Ontario, New York with 0 deaths
1996 was the most active year with 2 tornadoes
The 1990s had the most tornado activity (3 events)
Longest tornado: 10.63 miles in Ontario, New York
Widest tornado: 300.0 yards in Ontario, New York
Most tornadoes in one day: 1 on Aug 21, 1994
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Ontario, New York, July is the most active month with 3 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 1996 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 1994 with at least $500K 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 Ontario, New York.
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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 7, 2025 | EF2 | Ontario, New York | 1.7 mi | 300 yd | 0 | 0 | N/A |
| August 21, 1994 | F1 | Ontario, New York | 2 mi | 100 yd | 0 | 0 | $500K |
| June 22, 1996 | F1 | Ontario, New York | 1.5 mi | 50 yd | 0 | 0 | $50K |
| July 15, 1996 | F1 | Ontario, New York | 0.5 mi | 15 yd | 0 | 0 | $30K |
| August 29, 2009 | EF0 | Ontario, New York | 10.63 mi | 35 yd | 0 | 0 | $500K |
| June 10, 2015 | EF0 | Ontario, New York | 0.32 mi | 50 yd | 0 | 0 | $35K |
| July 15, 2024 | EF0 | Ontario, New York | 0.75 mi | 75 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.