California

Storm History: Tuolumne County, California

137 episodes, 236 events since 1996

Every storm the National Weather Service has filed in Tuolumne 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
236
Deaths
2
Injuries
0
Damage
$94 million
Episodes
137

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 Tuolumne 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
Flood4600$43 million
Debris Flow4010$50,000
Heavy Snow3800$50,000
Flash Flood3110$20,000
Tornado1800$51 million
Drought1400
High Wind1200$10,000
Winter Weather900
Heavy Rain800$5,000
Winter Storm700
Hail500$1,000
Thunderstorm Wind400$51,000
Wildfire200
Lightning100
Excessive Heat100

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.

Every episode, newest first

More

Tornadoes in Tuolumne CountyEvery warning in Tuolumne 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.