Alert archive / Oregon / Dense Fog Advisories
Dense Fog Advisories in Oregon, 2021
38 dense fog advisories in 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 dense fog advisories reaches back to 2005.
Dense Fog Advisories by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Dense Fog Advisories
- 38
- Busiest month
- November12 dense fog advisories
- Busiest day
- January 8, 20212 dense fog advisories
Over time
By month
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 |
|---|---|---|---|---|
| Jan 2, 1:35 AM PST | Dense Fog Advisory | MFR | Jackson | 7 hr |
| Jan 7, 4:58 AM PST | Dense Fog Advisory | MFR | Coos, Curry, Douglas, Jackson, Josephine | 5 hr |
| Jan 7, 6:17 PM PST | Dense Fog Advisory | BOI | Malheur | 6 hr |
| Jan 7, 8:22 PM PST | Dense Fog Advisory | MFR | Jackson | 117 min |
| Jan 8, 11:15 PM PST | Dense Fog Advisory | PQR | 10 hr | |
| Jan 9, 6:56 PM PST | Dense Fog Advisory | PDT | Umatilla | 11 hr |
| Jan 10, 8:29 PM PST | Dense Fog Advisory | PDT | Umatilla | 5 hr |
| Jan 10, 9:03 PM PST | Dense Fog Advisory | PQR | 9 hr | |
| Jan 13, 2:10 PM PST | Dense Fog Advisory | MFR | Coos, Curry, Douglas, Jackson, Josephine | 19 hr |
| Jan 16, 7:19 PM PST | Dense Fog Advisory | MFR | Klamath, Lake | 16 hr |
| Jan 17, 11:30 PM PST | Dense Fog Advisory | MFR | Coos, Curry, Douglas, Jackson, Josephine | 10 hr |
| Feb 12, 12:01 AM PST | Dense Fog Advisory | MFR | Curry, Jackson, Josephine | 9 hr |
| Mar 3, 7:26 AM PST | Dense Fog Advisory | PQR | 3 hr | |
| Mar 12, 5:23 AM PST | Dense Fog Advisory | MFR | Coos, Curry, Douglas | 3 hr |
| Sep 11, 2:44 AM PDT | Dense Fog Advisory | BOI | Malheur | 8 hr |
| Oct 14, 10:40 PM PDT | Dense Fog Advisory | PQR | 12 hr | |
| Oct 19, 5:01 AM PDT | Dense Fog Advisory | PQR | 5 hr | |
| Nov 2, 12:10 AM PDT | Dense Fog Advisory | PQR | 9 hr | |
| Nov 2, 10:57 PM PDT | Dense Fog Advisory | PQR | 10 hr | |
| Nov 12, 2:59 AM PST | Dense Fog Advisory | MFR | Curry, Jackson, Josephine, Klamath | 7 hr |
| Nov 13, 2:02 AM PST | Dense Fog Advisory | PQR | 4 hr | |
| Nov 21, 2:28 AM PST | Dense Fog Advisory | PQR | 9 hr | |
| Nov 21, 7:43 PM PST | Dense Fog Advisory | PQR | 9 hr | |
| Nov 22, 5:36 AM PST | Dense Fog Advisory | MFR | Coos, Curry, Douglas, Jackson, Josephine | 6 hr |
| Nov 24, 5:19 AM PST | Dense Fog Advisory | PQR | 6 hr | |
| Nov 24, 11:28 PM PST | Dense Fog Advisory | PQR | 10 hr | |
| Nov 28, 7:19 AM PST | Dense Fog Advisory | MFR | Coos, Curry, Douglas, Jackson, Josephine, Klamath | 3 hr |
| Nov 28, 7:36 AM PST | Dense Fog Advisory | PQR | 3 hr | |
| Nov 29, 8:13 PM PST | Dense Fog Advisory | PQR | 6 hr | |
| Dec 3, 8:05 AM PST | Dense Fog Advisory | BOI | Malheur | 115 min |
| Dec 3, 1:28 PM PST | Dense Fog Advisory | BOI | Malheur | 23 hr |
| Dec 7, 1:24 PM PST | Dense Fog Advisory | BOI | Malheur | 18 hr |
| Dec 17, 3:54 AM PST | Dense Fog Advisory | PQR | 6 hr | |
| Dec 20, 10:42 PM PST | Dense Fog Advisory | PQR | 5 hr | |
| Dec 21, 8:06 AM PST | Dense Fog Advisory | BOI | Malheur | 115 min |
| Dec 21, 7:28 PM PST | Dense Fog Advisory | BOI | Malheur | 10 hr |
| Dec 29, 9:37 PM PST | Dense Fog Advisory | BOI | Malheur | 4 hr |
| Dec 31, 8:30 AM PST | Dense Fog Advisory | MFR | Coos, Curry, Douglas, Jackson, Josephine | 90 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
The busiest days
Days with the most alerts issued, by UTC date.
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. Rebuilt daily.