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Tornado History

Oregon Tornado History

This page summarizes tornado history for Oregon. The local dataset contains 113 tornado records from 1951 through 2025, with a strongest listed rating of EF2 (Considerable damage) and at least $7.1M in reported property damage. The latest tornado record in this group is August 6, 2025. Across these records, NOAA lists 0 deaths and 4 injuries.

Key Tornado Statistics

Total Tornadoes113
Total Deaths0
Total Injuries4
Property Damage$7.1M
Avg Length0.9 mi
Avg Width51 yd

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Key Tornado Facts for Oregon

Top local patterns from the historical tornado records in this group.

Average 1.5 tornadoes per year (2.8/yr in last decade)
June is the peak tornado month with 22 recorded events
Deadliest tornado: F1 in Oregon with 0 deaths
2004 was the most active year with 7 tornadoes
The 2000s had the most tornado activity (30 events)
Longest tornado: 19.1 miles in Oregon
Widest tornado: 350.0 yards in Oregon
Most tornadoes in one day: 3 on Nov 12, 1991

Monthly Distribution

Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.

January
February
March
April
May
June
July
August
September
October
November
December

Summary: In Oregon, June is the most active month with 22 tornadoes.

Annual Tornado Trend

Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.

7530

Summary: 2004 was the most active year with 7 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
EF2
Unknown
EFU

Summary: F0 tornadoes are the most common in this group, with 51 recorded events.

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.

$2.5M$250K$25K$0

Summary: The highest reported property damage year in this group is 1975 with at least $2.5M in NOAA-listed property damage.

Tornado Count By County

Compares the counties with the most tornado records in this state dataset.

Umatilla
Clackamas
Marion
Lane
Harney
Washington
Klamath
Columbia
Clatsop
Deschutes
Multnomah
Wallowa
Linn
Malheur
Tillamook
Baker
Lincoln
Curry
Grant
Lake

Summary: Umatilla County has the highest count in this state group with 9 tornado records.

Historical Track Sketch

EF2 December 14, 20102010EF2 October 14, 20162016F1 December 12, 19751975EF1 September 19, 20172017F1 October 9, 20002000EF1 May 6, 20092009F1 October 9, 20002000F1 August 25, 19661966F1 October 3, 19671967F1 April 23, 19741974F1 August 16, 19781978F1 August 22, 19891989F1 November 24, 19891989F1 November 12, 19911991F1 November 12, 1991F1 May 19, 2006F1 April 12, 1957F1 March 8, 1960F1 May 19, 1962F1 December 6, 1951F1 June 21, 2003F1 July 19, 2004EF1 June 13, 2013EF1 May 6, 2022F0 November 9, 2002F0 June 21, 1967F0 November 2, 1984EF0 May 6, 2009EF0 October 29, 2018F0 December 5, 1996EF0 October 26, 2009EF0 October 22, 2022EF0 October 12, 2017EF0 November 10, 2020F0 April 28, 2000EF0 November 6, 2009F0 October 20, 1966F0 March 22, 1983F0 May 14, 1984F0 October 26, 1984F0 November 12, 1991EF0 April 14, 2015EF0 October 24, 2022EF0 July 1, 2019F0 May 30, 1995EF0 September 28, 2007EF0 November 11, 2024EF0 June 4, 2009EF0 September 8, 2019EF0 October 31, 2024EF0 October 28, 2018F0 October 3, 1998F0 January 5, 1998F0 April 12, 1957F0 November 10, 1965F0 June 23, 1966F0 June 21, 1983F0 June 22, 1983F0 April 18, 1984F0 July 22, 1992F0 June 9, 2004EF0 June 18, 2013F0 February 13, 1994F0 March 22, 1994EF0 April 14, 2011F0 April 9, 1991EF0 October 29, 2018F0 June 18, 2004F0 October 22, 1954F0 June 21, 1967F0 September 21, 1973F0 May 1, 1991F0 July 9, 1995F0 March 11, 1995F0 May 11, 1995F0 September 15, 1996F0 May 17, 1996F0 October 24, 1996F0 June 1, 1997F0 October 3, 1998© OpenStreetMap contributors

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.

DateRatingAreaLengthWidthDeathsInjuriesMin. property damage
December 14, 2010EF2Marion, Oregon5 mi150 yd02$1.2M
October 14, 2016EF2Tillamook, Oregon0.7 mi225 yd00$1.0M
December 12, 1975F1Tillamook, Oregon2 mi33 yd00$2.5M
September 19, 2017EF1Linn, Oregon0.69 mi167 yd00$240K
October 9, 2000F1Clackamas, Oregon0.1 mi75 yd00$50K
May 6, 2009EF1Umatilla, Oregon1.61 mi40 yd00$50K
October 9, 2000F1Clackamas, Oregon0.1 mi75 yd00$35K
August 25, 1966F1Malheur, Oregon19.1 mi100 yd00$25K
October 3, 1967F1Clatsop, Oregon0.5 mi70 yd00$25K
April 23, 1974F1Malheur, Oregon1 mi300 yd00$25K
August 16, 1978F1Columbia, Oregon0.2 mi20 yd00$25K
August 22, 1989F1Deschutes, Oregon1 mi10 yd00$25K

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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.