Full storm history reportKnow the Storm Risk Before It Becomes Expensive Damage.Get a full report of past flood, hail, and tornado events at any address.
Get full report
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.
Key Tornado Statistics
Want to check tornado history for a specific address?Use the address lookup to see nearby historical tornado tracks, dates, ratings, and distance from the location.
Check any addressKey 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
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 |
Want to check a home, business, or exact property?Search any address to compare nearby historical tornado tracks against that specific location.
Check any addressRelated Location Pages
Address-level storm reportGet flood, hail, and tornado history for any property.PastStorms turns historical storm data into a focused report before damage becomes an expensive surprise.
Visit PastStorms
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.