Alert archive / Oregon / Umatilla County

Dense Fog Advisories in Umatilla County, Oregon

118 dense fog advisories since 1986. An alert counts here when it covered this county. The archive of dense fog advisories reaches back to 2005.

Umatilla County and its neighbors

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

Dense Fog Advisories
118
Busiest year
202318 dense fog advisories
Average year
6over 21 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.

The latest dense fog advisories

The most recent on file, newest first.

IssuedProductOfficeLasted
Feb 15, 1:25 PM PSTDense Fog AdvisoryPDT23 hr
Feb 14, 9:04 PM PSTDense Fog AdvisoryPDT16 hr
Feb 7, 6:06 AM PSTDense Fog AdvisoryPDT6 hr
Feb 5, 9:36 PM PSTDense Fog AdvisoryPDT10 hr
Feb 3, 7:20 AM PSTDense Fog AdvisoryPDT4 hr
Jan 31, 12:00 PM PSTDense Fog AdvisoryPDT24 hr
Jan 30, 12:14 PM PSTDense Fog AdvisoryPDT106 min
Jan 30, 2:40 AM PSTDense Fog AdvisoryPDT9 hr
Jan 13, 5:11 PM PSTDense Fog AdvisoryPDT60 hr
Jan 2, 10:41 PM PSTDense Fog AdvisoryPDT11 hr

Nearby

Alerts in force nowTornadoes on recordForecastThe 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.