Tornado History
Lewis Tornado History
This county-level tornado history page focuses on Lewis, New York. The records below identify 8 tornadoes from 1969 through 2023, including a highest listed rating of EF3 (Severe damage). NOAA damage estimates in this group total at least $1.9M, with 0 deaths and 0 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Lewis, New York
Top local patterns from the historical tornado records in this group.
Average 0.1 tornadoes per year (0.3/yr in last decade)
August is the peak tornado month with 4 recorded events
Deadliest tornado: F1 in Lewis, New York with 0 deaths
2023 was the most active year with 2 tornadoes
The 2000s had the most tornado activity (2 events)
Longest tornado: 16 miles in Lewis, New York
Widest tornado: 700.0 yards in Lewis, New York
Most tornadoes in one day: 2 on Aug 7, 2023
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Lewis, New York, August 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: 2023 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 2023 with at least $1.5M 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 Lewis, 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 |
|---|---|---|---|---|---|---|---|
| August 7, 2023 | EF3 | Lewis, New York | 16 mi | 700 yd | 0 | 0 | $1.5M |
| July 8, 2014 | EF1 | Lewis, New York | 12.32 mi | 300 yd | 0 | 0 | $250K |
| August 1, 2005 | F1 | Lewis, New York | 1.5 mi | 50 yd | 0 | 0 | $30K |
| July 12, 1969 | F1 | Lewis, New York | 0.8 mi | 150 yd | 0 | 0 | $25K |
| June 4, 1987 | F0 | Lewis, New York | 0.4 mi | 50 yd | 0 | 0 | $25K |
| October 2, 2004 | F0 | Lewis, New York | 0.1 mi | 5 yd | 0 | 0 | $15K |
| August 16, 2016 | EF0 | Lewis, New York | 0.22 mi | 10 yd | 0 | 0 | $8K |
| August 7, 2023 | EFU | Lewis, New York | 0.85 mi | 100 yd | 0 | 0 | $5K |
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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.