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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.
Key Tornado Statistics
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Check any addressKey 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
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 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.