Alert archive / California / Special Marine Warnings

Special Marine Warnings in California, 2021

35 special marine warnings in 2021. 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 special marine warnings reaches back to 1986.

Special Marine Warnings by county

Each county as a circle sized by its count in 2021. Tap one for its archive.

Special Marine Warnings
35
Busiest month
March9 special marine warnings
Busiest day
September 24, 20215 special marine 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 26, 1:37 PM PSTSpecial Marine WarningEKA83 min
Jan 26, 11:46 PM PSTSpecial Marine WarningMTR14 min
Jan 27, 2:06 AM PSTSpecial Marine WarningMTR24 min
Jan 27, 12:53 PM PSTSpecial Marine WarningMTR52 min
Jan 29, 11:45 AM PSTSpecial Marine WarningLOX45 min
Mar 8, 10:33 PM PSTSpecial Marine WarningEKA27 min
Mar 8, 11:11 PM PSTSpecial Marine WarningEKA34 min
Mar 8, 11:44 PM PSTSpecial Marine WarningEKA31 min
Mar 9, 4:35 PM PSTSpecial Marine WarningMTR25 min
Mar 9, 5:52 PM PSTSpecial Marine WarningEKA23 min
Mar 10, 12:43 PM PSTSpecial Marine WarningSGX32 min
Mar 11, 1:31 AM PSTSpecial Marine WarningLOX44 min
Mar 12, 12:15 AM PSTSpecial Marine WarningLOX90 min
Mar 12, 12:51 AM PSTSpecial Marine WarningSGX54 min
Aug 11, 2:29 AM PDTSpecial Marine WarningLOX31 min
Aug 11, 2:52 AM PDTSpecial Marine WarningLOX53 min
Aug 11, 3:42 AM PDTSpecial Marine WarningLOX48 min
Sep 24, 3:14 PM PDTSpecial Marine WarningSGX91 min
Sep 24, 3:56 PM PDTSpecial Marine WarningSGX94 min
Sep 24, 4:20 PM PDTSpecial Marine WarningLOX85 min
Sep 24, 4:40 PM PDTSpecial Marine WarningSGX65 min
Sep 24, 4:55 PM PDTSpecial Marine WarningLOX65 min
Sep 24, 5:18 PM PDTSpecial Marine WarningSGX57 min
Oct 4, 3:21 PM PDTSpecial Marine WarningLOX54 min
Oct 4, 3:37 PM PDTSpecial Marine WarningSGX21 min
Oct 4, 6:24 PM PDTSpecial Marine WarningLOX66 min
Oct 4, 7:42 PM PDTSpecial Marine WarningLOX108 min
Dec 13, 7:42 PM PSTSpecial Marine WarningMTR33 min
Dec 15, 10:09 PM PSTSpecial Marine WarningMTR96 min
Dec 15, 11:16 PM PSTSpecial Marine WarningMTR59 min
Dec 25, 7:24 PM PSTSpecial Marine WarningLOX51 min
Dec 25, 8:26 PM PSTSpecial Marine WarningLOX79 min
Dec 29, 1:33 AM PSTSpecial Marine WarningMTR27 min
Dec 30, 4:31 AM PSTSpecial Marine WarningLOX29 min
Dec 30, 4:57 AM PSTSpecial Marine WarningLOX33 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. September 24, 20215special marine warnings
  2. January 27, 20213special marine warnings
  3. March 9, 20213special marine warnings
  4. March 10, 20213special marine warnings
  5. August 11, 20213special marine warnings
  6. March 12, 20212special marine warnings
  7. October 4, 20212special marine warnings
  8. October 5, 20212special marine warnings
  9. December 16, 20212special marine warnings
  10. December 26, 20212special marine warnings
  11. December 30, 20212special marine warnings
  12. January 26, 20211special marine warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

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.