Alert archive / California / Hazardous Seas Watches

Hazardous Seas Watches in California, 2021

13 hazardous seas watches 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 hazardous seas watches reaches back to 2005.

Hazardous Seas Watches by county

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

Hazardous Seas Watches
13
Busiest month
January5 hazardous seas watches
Busiest day
January 8, 20211 hazardous seas watches

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 8, 2:45 PM PSTHazardous Seas WatchEKA21 hr
Jan 11, 2:03 AM PSTHazardous Seas WatchEKA12 hr
Jan 16, 2:16 AM PSTHazardous Seas WatchEKA24 hr
Jan 23, 3:03 AM PSTHazardous Seas WatchEKA24 hr
Jan 29, 2:12 PM PSTHazardous Seas WatchEKA13 hr
Feb 12, 2:07 AM PSTHazardous Seas WatchEKA12 hr
May 27, 2:08 AM PDTHazardous Seas WatchEKA24 hr
Jul 9, 2:13 PM PDTHazardous Seas WatchEKA13 hr
Jul 23, 2:49 PM PDTHazardous Seas WatchEKA12 hr
Aug 16, 2:39 AM PDTHazardous Seas WatchEKA24 hr
Aug 26, 2:43 AM PDTHazardous Seas WatchEKA24 hr
Sep 29, 2:18 PM PDTHazardous Seas WatchEKA24 hr
Oct 22, 2:58 PM PDTHazardous Seas WatchEKA24 hr

The busiest days

Days with the most alerts issued, by UTC date.

  1. January 8, 20211hazardous seas watches
  2. January 11, 20211hazardous seas watches
  3. January 16, 20211hazardous seas watches
  4. January 23, 20211hazardous seas watches
  5. January 29, 20211hazardous seas watches
  6. February 12, 20211hazardous seas watches
  7. May 27, 20211hazardous seas watches
  8. July 9, 20211hazardous seas watches
  9. July 23, 20211hazardous seas watches
  10. August 16, 20211hazardous seas watches
  11. August 26, 20211hazardous seas watches
  12. September 29, 20211hazardous seas watches

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.