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Tornado History

San Bernardino Tornado History

This county-level tornado history page focuses on San Bernardino, California. The records below identify 28 tornadoes from 1954 through 2019, including a highest listed rating of F2 (Considerable damage). NOAA damage estimates in this group total at least $369K, with 0 deaths and 3 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes28
Total Deaths0
Total Injuries3
Property Damage$369K
Avg Length0.7 mi
Avg Width67 yd

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Key Tornado Facts for San Bernardino, California

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

Average 0.4 tornadoes per year (0.2/yr in last decade)
September is the peak tornado month with 8 recorded events
Deadliest tornado: F2 in San Bernardino, California with 0 deaths
1976 was the most active year with 6 tornadoes
The 1970s had the most tornado activity (7 events)
Longest tornado: 2 miles in San Bernardino, California
Widest tornado: 800.0 yards in San Bernardino, California
Most tornadoes in one day: 4 on Sep 6, 1976

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 San Bernardino, California, September is the most active month with 8 tornadoes.

Annual Tornado Trend

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

6420

Summary: 1976 was the most active year with 6 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
F2
Unknown

Summary: F0 tornadoes are the most common in this group, with 11 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.

$250K$25K$2K$0

Summary: The highest reported property damage year in this group is 1983 with at least $250K in NOAA-listed property damage.

Historical Track Sketch

F2 September 7, 19821982F2 June 25, 19541954F1 November 25, 19651965EF1 August 4, 20082008F1 October 22, 19741974F1 April 21, 20012001F0 August 1, 19831983F0 March 4, 20052005F0 July 7, 20012001EF0 April 16, 20192019F0 July 21, 19861986F0 July 27, 19871987F0 August 14, 19901990F0 September 29, 19901990F0 March 20, 1991F0 August 25, 1998F0 August 14, 2004F0 August 14, 2004EF0 August 18, 2013EF0 July 19, 2015EF0 May 7, 2017Unknown September 4, 1976Unknown July 22, 1966Unknown September 5, 1976Unknown September 6, 1976Unknown September 6, 1976Unknown September 6, 1976Unknown September 6, 1976© 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
September 7, 1982F2San Bernardino, California0.5 mi20 yd02$25K
June 25, 1954F2San Bernardino, California0 mi33 yd00$250
November 25, 1965F1San Bernardino, California2 mi50 yd00$25K
August 4, 2008EF1San Bernardino, California1.08 mi100 yd00$10K
October 22, 1974F1San Bernardino, California0 mi33 yd00$2K
April 21, 2001F1San Bernardino, California1 mi50 yd00N/A
August 1, 1983F0San Bernardino, California0.3 mi30 yd01$250K
March 4, 2005F0San Bernardino, California0.5 mi15 yd00$20K
July 7, 2001F0San Bernardino, California1 mi0.5 yd00$10K
April 16, 2019EF0San Bernardino, California0.45 mi50 yd00$1K
July 21, 1986F0San Bernardino, California0.2 mi10 yd00N/A
July 27, 1987F0San Bernardino, California1.5 mi50 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.