Hazardous Seas Watches in Oregon

555 hazardous seas watches 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 watches reaches back to 2005.

Hazardous Seas Watches by county

Each county as a circle sized by its count since 1986. Tap one for its archive.

Hazardous Seas Watches: 555
Busiest year: 201249 hazardous seas watches
Average year: 29over 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 watches

The most recent on file, newest first.

Issued	Product	Office	Lasted
Sep 23, 1:15 PM PDT	Hazardous Seas Watch	MFR	9 hr
Sep 19, 2:23 AM PDT	Hazardous Seas Watch	MFR	35 hr
Sep 13, 10:46 AM PDT	Hazardous Seas Watch	MFR	10 hr
Sep 9, 12:02 AM PDT	Hazardous Seas Watch	MFR	12 hr
Jul 17, 12:52 PM PDT	Hazardous Seas Watch	MFR	10 hr
Jul 6, 9:18 PM PDT	Hazardous Seas Watch	MFR	15 hr
Jul 3, 2:13 AM PDT	Hazardous Seas Watch	MFR	10 hr
Jun 27, 2:43 AM PDT	Hazardous Seas Watch	MFR	18 hr
Jun 7, 5:06 AM PDT	Hazardous Seas Watch	MFR	9 hr
May 29, 1:19 PM PDT	Hazardous Seas Watch	MFR	7 hr
May 24, 1:12 AM PDT	Hazardous Seas Watch	PQR	34 hr
May 15, 2:11 PM PDT	Hazardous Seas Watch	MFR	23 hr

Nearby

Alerts in force now Tornadoes on record The radar archive

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.