Alert archive / California / Storm Warnings

Storm Warnings in California, 2025

15 storm warnings in 2025. 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 storm warnings reaches back to 2005.

Storm Warnings by county

Each county as a circle sized by its count in 2025. Tap one for its archive.

Storm Warnings
15
Busiest month
November5 storm warnings
Busiest day
December 22, 20252 storm 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 6, 11:55 AM PSTStorm WarningLOX54 hr
Feb 3, 2:33 PM PSTStorm WarningMTR30 hr
May 3, 1:13 PM PDTStorm WarningMTR26 hr
May 17, 2:26 PM PDTStorm WarningMTR31 hr
May 30, 3:06 PM PDTStorm WarningEKA3 days
Nov 3, 2:34 PM PSTStorm WarningEKA44 hr
Nov 4, 2:14 AM PSTStorm WarningMTR30 hr
Nov 11, 3:06 PM PSTStorm WarningMTR42 hr
Nov 11, 10:13 PM PSTStorm WarningEKA33 hr
Nov 13, 3:11 AM PSTStorm WarningEKA4 hr
Dec 22, 2:36 AM PSTStorm WarningMTR50 hr
Dec 22, 2:41 PM PSTStorm WarningEKA38 hr
Dec 23, 1:11 AM PSTStorm WarningLOX19 hr
Dec 24, 4:29 AM PSTStorm WarningMTR28 hr
Dec 24, 11:39 AM PSTStorm WarningEKA35 hr

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20242026

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. Warning verification from the Mesonet's Cow. Rebuilt daily.