Alert archive / Oregon / Hazardous Seas Warnings / 2021

Hazardous Seas Warnings in Oregon, November 2021

8 hazardous seas warnings in November 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 November 2021. Tap one for its archive.

Hazardous Seas Warnings
8
Busiest day
November 1, 20211 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
Nov 1, 2:16 PM PDTHazardous Seas WarningMFR36 hr
Nov 3, 9:02 PM PDTHazardous Seas WarningMFR42 hr
Nov 5, 2:33 PM PDTHazardous Seas WarningMFR20 hr
Nov 7, 2:30 AM PSTHazardous Seas WarningMFR60 hr
Nov 9, 2:17 PM PSTHazardous Seas WarningMFR38 hr
Nov 14, 3:30 PM PSTHazardous Seas WarningMFR31 hr
Nov 16, 2:03 AM PSTHazardous Seas WarningMFR35 hr
Nov 17, 2:41 PM PSTHazardous Seas WarningMFR3 days

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.