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Tornado History

Riverside Tornado History

This county-level tornado history page focuses on Riverside, California. The records below identify 26 tornadoes from 1955 through 2022, including a highest listed rating of F3 (Severe damage). NOAA damage estimates in this group total at least $21.5M, with 0 deaths and 4 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes26
Total Deaths0
Total Injuries4
Property Damage$21.5M
Avg Length1.9 mi
Avg Width74 yd

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Key Tornado Facts for Riverside, California

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

Average 0.4 tornadoes per year (0.3/yr in last decade)
August is the peak tornado month with 5 recorded events
Deadliest tornado: Unknown in Riverside, California with 0 deaths
2005 was the most active year with 4 tornadoes
The 2000s had the most tornado activity (9 events)
Longest tornado: 14.26 miles in Riverside, California
Widest tornado: 900.0 yards in Riverside, California
Most tornadoes in one day: 4 on May 22, 2008

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 Riverside, California, August is the most active month with 5 tornadoes.

Annual Tornado Trend

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

4320

Summary: 2005 was the most active year with 4 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
EF2
F3
Unknown
EFU

Summary: EF0 tornadoes are the most common in this group, with 10 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.

$18.0M$1.8M$180K$0

Summary: The highest reported property damage year in this group is 2015 with at least $18.0M in NOAA-listed property damage.

Historical Track Sketch

F3 August 16, 19731973EF2 May 22, 20082008EF1 August 6, 20152015F1 February 19, 20052005F1 July 20, 19741974F1 December 22, 19961996EF0 January 21, 20102010F0 July 23, 20062006F0 January 9, 20052005EF0 April 21, 20152015F0 July 23, 20052005F0 January 20, 19821982F0 September 18, 19851985F0 March 20, 19911991F0 May 13, 1998F0 February 26, 2005EF0 May 22, 2008EF0 May 22, 2008EF0 May 22, 2008EF0 September 9, 2012EF0 August 12, 2012EF0 October 17, 2015EF0 August 16, 2018EF0 October 8, 2022Unknown April 6, 1955EFU August 28, 2022© 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
August 16, 1973F3Riverside, California0 mi33 yd00$25K
May 22, 2008EF2Riverside, California2.8 mi75 yd01$350K
August 6, 2015EF1Riverside, California3.98 mi900 yd02$18.0M
February 19, 2005F1Riverside, California2.8 mi25 yd00$100K
July 20, 1974F1Riverside, California1 mi20 yd01$25K
December 22, 1996F1Riverside, California0.1 mi25 yd00N/A
January 21, 2010EF0Riverside, California14.26 mi100 yd00$3.0M
July 23, 2006F0Riverside, California1 mi20 yd00$25K
January 9, 2005F0Riverside, California0.1 mi25 yd00$5K
April 21, 2015EF0Riverside, California10 mi200 yd00$5K
July 23, 2005F0Riverside, California2 mi50 yd00$2K
January 20, 1982F0Riverside, California0.3 mi60 yd00N/A

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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.