Hazardous Seas Warnings in California
632 hazardous seas warnings since 1986. 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 since 1986. Tap one for its archive.
- Hazardous Seas Warnings
- 632
- Busiest year
- 202168 hazardous seas warnings
- Average year
- 33over 19 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
The latest hazardous seas warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 8:50 PM PDT | Hazardous Seas Warning | EKA | 18 hr | |
| Aug 3, 9:28 AM PDT | Hazardous Seas Warning | EKA | 12 hr | |
| Aug 2, 8:42 PM PDT | Hazardous Seas Warning | EKA | 12 hr | |
| Jun 28, 9:02 PM PDT | Hazardous Seas Warning | EKA | 3 days | |
| May 31, 6:22 PM PDT | Hazardous Seas Warning | EKA | 18 hr | |
| May 30, 9:00 PM PDT | Hazardous Seas Warning | EKA | 32 hr | |
| May 20, 2:48 PM PDT | Hazardous Seas Warning | EKA | 66 hr | |
| Apr 29, 1:48 PM PDT | Hazardous Seas Warning | EKA | 67 hr | |
| Apr 1, 2:36 PM PDT | Hazardous Seas Warning | EKA | 20 hr | |
| Mar 26, 10:33 PM PDT | Hazardous Seas Warning | EKA | 12 hr | |
| Mar 24, 2:00 PM PDT | Hazardous Seas Warning | EKA | 64 hr | |
| Mar 22, 10:09 AM PDT | Hazardous Seas Warning | EKA | 19 hr |
Nearby
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.