Alert archive / California / Storm Warnings

Storm Warnings in California, 2023

10 storm warnings in 2023. 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 2023. Tap one for its archive.

Storm Warnings
10
Busiest month
January5 storm warnings
Busiest day
January 3, 20231 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 3, 2:25 AM PSTStorm WarningEKA55 hr
Jan 6, 8:48 AM PSTStorm WarningEKA24 hr
Jan 8, 12:07 PM PSTStorm WarningEKA15 hr
Jan 8, 8:29 PM PSTStorm WarningMTR13 hr
Jan 10, 2:30 PM PSTStorm WarningEKA61 hr
Feb 21, 3:20 AM PSTStorm WarningLOX23 hr
Mar 8, 3:06 AM PSTStorm WarningEKA42 hr
Mar 21, 12:27 AM PDTStorm WarningMTR9 hr
Mar 26, 2:48 AM PDTStorm WarningEKA48 hr
Dec 25, 2:30 PM PSTStorm WarningEKA46 hr

The busiest days

Days with the most alerts issued, by UTC date.

  1. January 3, 20231storm warnings
  2. January 6, 20231storm warnings
  3. January 8, 20231storm warnings
  4. January 9, 20231storm warnings
  5. January 10, 20231storm warnings
  6. February 21, 20231storm warnings
  7. March 8, 20231storm warnings
  8. March 21, 20231storm warnings
  9. March 26, 20231storm warnings
  10. December 25, 20231storm warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20222024

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.