Alert archive / California / Tornado Warnings

Tornado Warnings in California, 2026

9 tornado warnings in 2026. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of tornado warnings reaches back to 1986.

Tornado Warnings by county

Each county as a circle sized by its count in 2026. Tap one for its archive.

Tornado Warnings
9
Busiest month
April6 tornado warnings
Busiest day
April 10, 20262 tornado warnings

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Pacific Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Jan 3, 11:18 AM PSTTornado WarningEKAHumboldt12 min
Jan 5, 3:56 PM PSTTornado WarningMTRSan Mateo, Santa Cruz19 min
Feb 17, 12:41 AM PSTTornado WarningLOXSanta Barbara17 min
Apr 9, 5:38 PM PDTTornado WarningHNXFresno, Madera37 min
Apr 10, 2:21 PM PDTTornado WarningSTOSan Joaquin, Stanislaus24 min
Apr 12, 2:05 PM PDTTornado WarningSTOButte, Tehama25 min
Apr 21, 2:19 PM PDTTornado Warning Tornado observedHNXFresno, Madera26 min
Apr 21, 2:37 PM PDTTornado Warning Tornado observedHNXFresno, Madera23 min
Apr 21, 5:16 PM PDTTornado Warning Tornado observedHNXFresno29 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive2025

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.