Tornado History
Okanogan Tornado History
This county-level tornado history page focuses on Okanogan, Washington. The records below identify 5 tornadoes from 1982 through 1997, including a highest listed rating of F1 (Moderate damage). NOAA damage estimates in this group total at least $45K, with 0 deaths and 0 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Okanogan, Washington
Top local patterns from the historical tornado records in this group.
Average 0.3 tornadoes per year (0.0/yr in last decade)
May is the peak tornado month with 2 recorded events
Deadliest tornado: F1 in Okanogan, Washington with 0 deaths
1997 was the most active year with 3 tornadoes
The 1990s had the most tornado activity (3 events)
Longest tornado: 5 miles in Okanogan, Washington
Widest tornado: 100.0 yards in Okanogan, Washington
Most tornadoes in one day: 2 on Jul 21, 1997
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Okanogan, Washington, May is the most active month with 2 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 1997 was the most active year with 3 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 1982 with at least $25K 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 Okanogan, Washington.
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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 |
|---|---|---|---|---|---|---|---|
| May 3, 1982 | F1 | Okanogan, Washington | 0.1 mi | 10 yd | 0 | 0 | $25K |
| July 21, 1997 | F1 | Okanogan, Washington | 5 mi | 100 yd | 0 | 0 | $10K |
| July 21, 1997 | F1 | Okanogan, Washington | 5 mi | 100 yd | 0 | 0 | $10K |
| May 30, 1987 | F1 | Okanogan, Washington | 1 mi | 13 yd | 0 | 0 | N/A |
| August 26, 1997 | F0 | Okanogan, Washington | 0.1 mi | 50 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.