Alert archive / California / Hazardous Seas Warnings / 2021

Hazardous Seas Warnings in California, August 2021

8 hazardous seas warnings in August 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 warnings reaches back to 2005.

Hazardous Seas Warnings by county

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

Hazardous Seas Warnings
8
Busiest day
August 27, 20212 hazardous seas warnings

Over time

By day

Days in UTC, the clock the archive keeps.

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
Aug 8, 3:41 AM PDTHazardous Seas WarningEKA56 hr
Aug 17, 8:58 PM PDTHazardous Seas WarningEKA14 hr
Aug 18, 8:40 PM PDTHazardous Seas WarningEKA15 hr
Aug 20, 2:10 AM PDTHazardous Seas WarningEKA33 hr
Aug 23, 2:58 PM PDTHazardous Seas WarningEKA21 hr
Aug 27, 2:16 AM PDTHazardous Seas WarningEKA25 hr
Aug 27, 2:16 AM PDTHazardous Seas WarningEKA16 hr
Aug 28, 2:29 AM PDTHazardous Seas WarningEKA59 hr

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.