Alert archive / California / Hazardous Seas Warnings

Hazardous Seas Warnings in California, 2023

42 hazardous seas 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 hazardous seas warnings reaches back to 2005.

Hazardous Seas Warnings by county

Each county as a circle sized by its count in 2023. Tap one for its archive.

Hazardous Seas Warnings
42
Busiest month
February7 hazardous seas warnings
Busiest day
February 20, 20232 hazardous seas 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 5, 9:00 AM PSTHazardous Seas WarningEKA18 hr
Jan 9, 9:04 AM PSTHazardous Seas WarningEKA3 hr
Jan 10, 3:27 AM PSTHazardous Seas WarningEKA18 hr
Jan 12, 3:04 AM PSTHazardous Seas WarningEKA42 hr
Jan 14, 3:18 AM PSTHazardous Seas WarningEKA42 hr
Jan 23, 2:53 AM PSTHazardous Seas WarningEKA42 hr
Feb 5, 6:12 PM PSTHazardous Seas WarningEKA9 hr
Feb 11, 9:01 PM PSTHazardous Seas WarningEKA6 hr
Feb 13, 2:35 PM PSTHazardous Seas WarningEKA39 hr
Feb 18, 2:13 PM PSTHazardous Seas WarningEKA42 hr
Feb 20, 8:06 AM PSTHazardous Seas WarningEKA7 hr
Feb 20, 2:36 PM PSTHazardous Seas WarningEKA3 days
Feb 27, 2:53 AM PSTHazardous Seas WarningEKA30 hr
Mar 28, 2:02 PM PDTHazardous Seas WarningEKA19 hr
Apr 12, 2:04 AM PDTHazardous Seas WarningEKA12 hr
May 23, 7:22 AM PDTHazardous Seas WarningEKA32 hr
May 24, 3:01 PM PDTHazardous Seas WarningEKA6 hr
May 24, 8:48 PM PDTHazardous Seas WarningEKA6 hr
May 28, 2:35 AM PDTHazardous Seas WarningEKA30 hr
Jun 1, 3:34 AM PDTHazardous Seas WarningEKA5 hr
Jun 3, 2:58 PM PDTHazardous Seas WarningEKA36 hr
Jun 5, 3:36 AM PDTHazardous Seas WarningEKA32 hr
Jun 11, 8:57 AM PDTHazardous Seas WarningEKA24 hr
Jun 13, 2:01 AM PDTHazardous Seas WarningEKA20 hr
Jul 2, 2:47 AM PDTHazardous Seas WarningEKA9 hr
Aug 12, 8:53 PM PDTHazardous Seas WarningEKA18 hr
Aug 18, 2:26 AM PDTHazardous Seas WarningEKA42 hr
Aug 20, 2:55 AM PDTHazardous Seas WarningEKA36 hr
Sep 30, 11:53 PM PDTHazardous Seas WarningEKA9 hr
Oct 1, 2:44 AM PDTHazardous Seas WarningEKA21 hr
Oct 1, 11:49 PM PDTHazardous Seas WarningEKA3 hr
Oct 3, 2:53 PM PDTHazardous Seas WarningEKA12 hr
Oct 5, 2:28 AM PDTHazardous Seas WarningEKA7 hr
Oct 23, 7:32 PM PDTHazardous Seas WarningEKA7 hr
Nov 14, 2:06 PM PSTHazardous Seas WarningEKA13 hr
Nov 18, 3:09 AM PSTHazardous Seas WarningEKA36 hr
Nov 22, 2:53 AM PSTHazardous Seas WarningEKA65 hr
Nov 24, 8:22 PM PSTHazardous Seas WarningEKA7 hr
Dec 4, 2:50 AM PSTHazardous Seas WarningEKA53 hr
Dec 22, 3:30 AM PSTHazardous Seas WarningEKA42 hr
Dec 27, 11:47 AM PSTHazardous Seas WarningEKA33 hr
Dec 29, 2:55 PM PSTHazardous Seas WarningEKA11 hr

The busiest days

Days with the most alerts issued, by UTC date.

  1. February 20, 20232hazardous seas warnings
  2. October 1, 20232hazardous seas warnings
  3. January 5, 20231hazardous seas warnings
  4. January 9, 20231hazardous seas warnings
  5. January 10, 20231hazardous seas warnings
  6. January 12, 20231hazardous seas warnings
  7. January 14, 20231hazardous seas warnings
  8. January 23, 20231hazardous seas warnings
  9. February 6, 20231hazardous seas warnings
  10. February 12, 20231hazardous seas warnings
  11. February 13, 20231hazardous seas warnings
  12. February 18, 20231hazardous seas 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.