California

Storm History: Santa Clara County, California

225 episodes, 777 events since 1951

Every storm the National Weather Service has filed in Santa Clara County, California: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.

The record

Events
777
Deaths
61
Injuries
90
Damage
$55 million
Episodes
225

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Open the live radar over Santa Clara County

Every year

From 1996 the record holds 48 kinds of event with each office’s narrative; before that, tornadoes, hail and thunderstorm wind only, and before 1955 tornadoes alone.

By kind of event

Counted under the kind that heads each episode.

Kind of eventEventsDeathsInjuriesDamage
Debris Flow17045$14 million
Flash Flood16911$3.2 million
Flood10924$11 million
High Wind8634$1.3 million
Wildfire4534$74,000
Strong Wind4427$1.8 million
Tornado3412$9.5 million
Heat271460$10,000
Hail2400$50
Dense Fog1300$25,000
Excessive Heat13103
Frost/Freeze1080$14 million
Coastal Flood600
Dense Smoke500
Cold/Wind Chill590
Heavy Rain400$70,000
High Surf320$10,000
Heavy Snow300$20
Tsunami200$53,000
Storm Surge/Tide200$160,000
Funnel Cloud200
Rip Current120

The deadliest

The costliest

Damage within this county, in the dollars of its year.

The largest hail

The largest stone in each episode, which may have fallen in a neighboring county of the same episode.

The strongest tornadoes

Every tornado in Santa Clara County, with its track

Every episode, newest first

More

Tornadoes in Santa Clara CountyEvery warning in Santa Clara County since 1986Every county in California

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.