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South San Jose Hills, CA Tornado History — 53 Tornadoes Since 1950

California · 25-mile radius · NOAA Storm Prediction Center

How many tornadoes has South San Jose Hills, CA had?

South San Jose Hills has had 53 tornadoes on record within 25 miles since 1950.

When was the most recent tornado near South San Jose Hills?

The most recent tornado within 25 miles of South San Jose Hills was an EF0 on March 13, 2025.

When is tornado season in South San Jose Hills?

January is historically the peak month for tornadoes near South San Jose Hills, with 11 on record. April through June account for 7 of the 53 tornadoes on record near South San Jose Hills.

At a Glance

Tornadoes Since 1950
53
Within search radius
Violent (EF3+)
0
0.0% of total
Peak Month
January
11 on record
Per Year Avg
0.7
Across 76 years

Recent Tornado Activity Near South San Jose Hills

The last 20 years of confirmed tornadoes within 25 miles — 7 total, averaging 0.3 per year over this window.

2026 0
2025 1
2024 0
2023 4
2022 0
2021 0
2020 0
2019 0
2018 0
2017 0
2016 0
2015 0
2014 1
2013 0
2012 0
2011 0
2010 1
2009 0
2008 0
2007 0

What storm spotters reported near South San Jose Hills

One local storm report has been filed within 25 miles of South San Jose Hills and since confirmed into the NOAA archive, the earliest on December 25, 2025 and the most recent on December 25, 2025. It is already counted in the South San Jose Hills totals above; quoted below is the narrative the reporting office filed at the time.

December 25, 2025
2 WSW East Los Angeles, Los Angeles County, CA
The National Weather Service conducted a storm survey in the neighborhood of Boyle Heights in Los Angeles County... CA for damage associated with a low-topped mini supe (LOX)

Source: National Weather Service and trained-spotter local storm reports, relayed by the NOAA Storm Prediction Center.

Tornadoes by Decade

1950s 2
1960s 5
1970s 4
1980s 10
1990s 18
2000s 7
2010s 2
2020s 5

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.

EF0 32
EF1 18
EF2 3

Tornadoes by Month

Jan 11
Feb 9
Mar 9
Apr 0
May 6
Jun 1
Jul 0
Aug 0
Sep 1
Oct 0
Nov 8
Dec 8

Have any tornadoes near South San Jose Hills been fatal?

No fatalities are on record within 25 miles of South San Jose Hills from any of the 53 tornadoes since 1950, though 19 injuries have been reported, according to NOAA Storm Prediction Center records.

Notable Tornadoes Near South San Jose Hills

Costliest Tornado
F1 on March 16, 1986 — est. ~$2.8M (NOAA damage class, pre-1996 estimate).
Widest Tornado
F2 on November 9, 1982 — 1,300 yards wide.
Longest Path
F1 on March 16, 1977 — 10.9 mile track.
Most Recent
EF0 on March 13, 2025.

What the record shows near South San Jose Hills

The 1990s were the busiest decade near South San Jose Hills, with 18 of the 53 confirmed tornadoes within 25 miles; the 2020s have produced 5 so far. The South San Jose Hills record runs from the 1950s to today.

Of the tornadoes rated near South San Jose Hills, 50 reached EF0 or EF1 and 3 reached EF2 or stronger. The most intense on record near South San Jose Hills is rated EF2, of which 3 are logged.

Across the last 20 years South San Jose Hills has averaged 0.3 confirmed tornadoes a year within 25 miles, 7 in total. 2023 was the busiest of them with 4, and 16 of those years passed with none at all.

Frequently Asked Questions

How many tornadoes has South San Jose Hills, CA had?
Since 1950, 53 tornadoes have been recorded within 25 miles of South San Jose Hills. Data source: NOAA Storm Prediction Center.
When is tornado season in South San Jose Hills?
January is historically the peak month for tornadoes near South San Jose Hills, with 11 tornadoes on record. Tornadoes can occur any time of year, but spring months (April–June) generally see the highest activity across most of the central and southern United States.
When was the most recent tornado near South San Jose Hills?
The most recent tornado within 25 miles of South San Jose Hills was an EF0 on March 13, 2025.
How do I get tornado warnings for South San Jose Hills?
Vortex delivers real-time tornado warnings, severe thunderstorm alerts, and SPC outlook updates for any US location via push notification and phone call. Alerts are sourced directly from the National Weather Service and updated within seconds of issuance.

Official Resources

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