Alert archive / California / Hazardous Seas Warnings
Hazardous Seas Warnings in California, 2018
21 hazardous seas warnings in 2018. 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 2018. Tap one for its archive.
- Hazardous Seas Warnings
- 21
- Busiest month
- May4 hazardous seas warnings
- Busiest day
- July 12, 20182 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 9, 2:52 PM PST | Hazardous Seas Warning | EKA | 12 hr | |
| Jan 16, 2:46 AM PST | Hazardous Seas Warning | EKA | 3 days | |
| Feb 17, 3:00 PM PST | Hazardous Seas Warning | EKA | 48 hr | |
| Feb 22, 1:24 PM PST | Hazardous Seas Warning | EKA | 17 hr | |
| Apr 7, 9:05 AM PDT | Hazardous Seas Warning | EKA | 24 hr | |
| Apr 8, 2:13 PM PDT | Hazardous Seas Warning | EKA | 7 hr | |
| Apr 22, 3:19 AM PDT | Hazardous Seas Warning | EKA | 24 hr | |
| May 1, 2:57 PM PDT | Hazardous Seas Warning | EKA | 18 hr | |
| May 12, 2:46 AM PDT | Hazardous Seas Warning | EKA | 18 hr | |
| May 12, 8:42 PM PDT | Hazardous Seas Warning | EKA | 6 hr | |
| May 29, 9:31 PM PDT | Hazardous Seas Warning | EKA | 17 hr | |
| Jul 11, 9:12 PM PDT | Hazardous Seas Warning | EKA | 5 hr | |
| Jul 12, 2:29 AM PDT | Hazardous Seas Warning | EKA | 13 hr | |
| Jul 19, 9:09 PM PDT | Hazardous Seas Warning | EKA | 6 hr | |
| Jul 20, 2:16 PM PDT | Hazardous Seas Warning | EKA | 19 hr | |
| Sep 3, 2:12 AM PDT | Hazardous Seas Warning | EKA | 40 hr | |
| Sep 24, 9:08 PM PDT | Hazardous Seas Warning | EKA | 18 hr | |
| Dec 1, 3:08 AM PST | Hazardous Seas Warning | EKA | 16 hr | |
| Dec 14, 2:23 PM PST | Hazardous Seas Warning | EKA | 12 hr | |
| Dec 16, 5:52 AM PST | Hazardous Seas Warning | EKA | 55 hr | |
| Dec 19, 9:04 AM PST | Hazardous Seas Warning | EKA | 22 hr |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.