Alert archive / Oregon / Freezing Fog Advisories / 2021
Freezing Fog Advisories in Oregon, December 2021
3 freezing fog advisories in December 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 freezing fog advisories reaches back to 2005.
Freezing Fog Advisories by county
Each county as a circle sized by its count in December 2021. Tap one for its archive.
- Freezing Fog Advisories
- 3
- Busiest day
- December 8, 20211 freezing fog advisories
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 7, 10:12 PM PST | Freezing Fog Advisory | MFR | Klamath | 10 hr |
| Dec 16, 8:24 AM PST | Freezing Fog Advisory | PDT | Umatilla | 4 hr |
| Dec 21, 5:13 AM PST | Freezing Fog Advisory | PDT | Crook, Deschutes, Jefferson | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
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.