San Ramon, CA Tornado History — 11 Tornadoes Since 1950
How many tornadoes has San Ramon, CA had?
San Ramon has had 11 tornadoes on record within 25 miles since 1950.
When was the most recent tornado near San Ramon?
The most recent tornado within 25 miles of San Ramon was an EF1 on January 23, 2010.
When is tornado season in San Ramon?
January is historically the peak month for tornadoes near San Ramon, with 3 on record. April through June account for 2 of the 11 tornadoes on record near San Ramon.
At a Glance
Recent Tornado Activity Near San Ramon
The last 20 years of confirmed tornadoes within 25 miles — 1 total, averaging 0.1 per year over this window.
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 San Ramon been fatal?
No fatalities are on record within 25 miles of San Ramon from any of the 11 tornadoes since 1950, though 1 injuries have been reported, according to NOAA Storm Prediction Center records.
Notable Tornadoes Near San Ramon
What the record shows near San Ramon
The 1980s were the busiest decade near San Ramon, with 4 of the 11 confirmed tornadoes within 25 miles; the 2010s have produced 1 so far. The San Ramon record runs from the 1950s to today.
Of the tornadoes rated near San Ramon, 10 reached EF0 or EF1 and 1 reached EF2 or stronger. The most intense on record near San Ramon is rated EF2, of which 1 is logged.
Across the last 20 years San Ramon has averaged 0.1 confirmed tornadoes a year within 25 miles, 1 in total. 2010 was the busiest of them with 1, and 19 of those years passed with none at all.