Alameda, CA Tornado History — 8 Tornadoes Since 1950
How many tornadoes has Alameda, CA had?
Alameda has had 8 tornadoes on record within 25 miles since 1950.
When was the most recent tornado near Alameda?
The most recent tornado within 25 miles of Alameda was a F1 on March 20, 2005.
When is tornado season in Alameda?
March is historically the peak month for tornadoes near Alameda, with 2 on record. Spring through early summer (April–June) generally sees the highest activity across most of the central and southern United States.
At a Glance
Tornadoes by Decade
Tornadoes by Enhanced Fujita Rating
F0–F5 ratings (pre-2007) are grouped with their EF equivalents. The Enhanced Fujita scale replaced the original Fujita scale in February 2007.
Tornadoes by Month
Have any tornadoes near Alameda been fatal?
No fatalities are on record within 25 miles of Alameda from any of the 8 tornadoes since 1950. NOAA Storm Prediction Center records.
Notable Tornadoes Near Alameda
About Tornadoes in Alameda
This overview was written April 23, 2026. The tornado counts and notable-event figures elsewhere on this page reflect the latest data and may differ from this summary.
Alameda, California has experienced 8 tornadoes within a 25-mile radius since 1950, according to the NOAA Storm Prediction Center. This relatively modest total reflects the Bay Area's position outside the nation's most tornado-prone regions, though the area is not entirely immune to these atmospheric phenomena.
The recorded tornadoes have been concentrated in specific decades, with three events occurring in both the 1980s and 1990s, one in the 1950s, and one in the 2000s. All eight tornadoes were rated on the lower end of the Enhanced Fujita scale, with six classified as EF0 and two as EF1. The Enhanced Fujita scale ranges from EF0 (winds 65-85 mph, causing minor damage) to EF5 (winds over 200 mph, causing widespread destruction), so these events represented relatively weak tornado activity. None of the tornadoes on record resulted in fatalities.
March has been the most active month for tornadoes in the area, with two events recorded during that period. The costliest tornado occurred on April 1, 1958, an F1-rated event that caused $27,500 in property damage and traveled 0.2 miles with a maximum width of 67 yards. The widest tornado on record was an F0 that occurred on December 6, 1998, reaching 150 yards in width while traveling 1.5 miles, though it caused no property damage. The longest-tracked tornado was an F1 event on March 20, 2005, which traveled 3.0 miles with a maximum width of 30 yards and caused minimal property damage of $1. This March 2005 tornado also stands as the most recent event on record.
The pattern of weak, infrequent tornadoes aligns with California's coastal climate, where atmospheric conditions conducive to significant tornado formation occur far less frequently than in the central United States. While tornadoes can develop in the region, particularly during spring months when temperature contrasts and atmospheric instability increase, they remain rare occurrences in the Alameda area.