Alert archive / Alaska / Dense Fog Advisories
Dense Fog Advisories in Alaska, 2021
45 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
- 45
- Busiest month
- October9 dense fog advisories
- Busiest day
- November 4, 20213 dense fog advisories
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Alaska Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 2, 12:21 PM AKST | Dense Fog Advisory | AFC | 24 hr | |
| Jan 25, 4:04 AM AKST | Dense Fog Advisory | AFC | 8 hr | |
| Feb 18, 9:13 PM AKST | Dense Fog Advisory | AFC | 8 hr | |
| Apr 15, 4:04 AM AKDT | Dense Fog Advisory | AJK | 5 hr | |
| Apr 26, 3:05 AM AKDT | Dense Fog Advisory | AJK | 4 hr | |
| May 17, 4:35 AM AKDT | Dense Fog Advisory | AJK | 3 hr | |
| May 18, 1:02 AM AKDT | Dense Fog Advisory | AJK | 7 hr | |
| Jun 7, 5:37 AM AKDT | Dense Fog Advisory | AJK | 83 min | |
| Jun 8, 3:38 AM AKDT | Dense Fog Advisory | AJK | 5 hr | |
| Jun 9, 5:13 AM AKDT | Dense Fog Advisory | AJK | 2 hr | |
| Jun 19, 5:52 AM AKDT | Dense Fog Advisory | AJK | 2 hr | |
| Jun 26, 12:22 AM AKDT | Dense Fog Advisory | AJK | 10 hr | |
| Jun 27, 5:22 AM AKDT | Dense Fog Advisory | AJK | 117 min | |
| Jun 27, 7:19 AM AKDT | Dense Fog Advisory | AJK | 3 hr | |
| Jul 18, 6:08 AM AKDT | Dense Fog Advisory | AJK | 89 min | |
| Jul 23, 5:15 AM AKDT | Dense Fog Advisory | AFC | 6 hr | |
| Jul 30, 3:34 AM AKDT | Dense Fog Advisory | AJK | 6 hr | |
| Aug 13, 4:00 AM AKDT | Dense Fog Advisory | AJK | 5 hr | |
| Aug 14, 7:02 AM AKDT | Dense Fog Advisory | AJK | 87 min | |
| Aug 17, 6:43 AM AKDT | Dense Fog Advisory | AJK | 3 hr | |
| Aug 19, 5:46 AM AKDT | Dense Fog Advisory | AJK | 4 hr | |
| Aug 20, 6:10 AM AKDT | Dense Fog Advisory | AJK | 4 hr | |
| Aug 23, 6:33 AM AKDT | Dense Fog Advisory | AJK | 3 hr | |
| Aug 31, 1:28 AM AKDT | Dense Fog Advisory | AJK | 8 hr | |
| Sep 1, 6:28 AM AKDT | Dense Fog Advisory | AJK | 3 hr | |
| Sep 5, 7:09 AM AKDT | Dense Fog Advisory | AFG | 3 hr | |
| Sep 15, 8:02 AM AKDT | Dense Fog Advisory | AJK | 59 min | |
| Sep 25, 1:27 AM AKDT | Dense Fog Advisory | AJK | 8 hr | |
| Oct 4, 6:30 AM AKDT | Dense Fog Advisory | AJK | 5 hr | |
| Oct 5, 5:01 AM AKDT | Dense Fog Advisory | AJK | 5 hr | |
| Oct 7, 11:21 PM AKDT | Dense Fog Advisory | AFG | 4 hr | |
| Oct 9, 5:45 AM AKDT | Dense Fog Advisory | AFG | 3 hr | |
| Oct 21, 9:40 AM AKDT | Dense Fog Advisory | AFG | 2 hr | |
| Oct 21, 10:35 PM AKDT | Dense Fog Advisory | AFC | 9 hr | |
| Oct 22, 6:12 AM AKDT | Dense Fog Advisory | AJK | 118 min | |
| Oct 24, 7:54 AM AKDT | Dense Fog Advisory | AJK | 66 min | |
| Oct 31, 12:41 PM AKDT | Dense Fog Advisory | AJK | 16 hr | |
| Nov 2, 7:47 PM AKDT | Dense Fog Advisory | AFC | 12 hr | |
| Nov 3, 5:08 PM AKDT | Dense Fog Advisory | AFG | 19 hr | |
| Nov 3, 11:50 PM AKDT | Dense Fog Advisory | AJK | 5 hr | |
| Nov 4, 8:08 AM AKDT | Dense Fog Advisory | AJK | 112 min | |
| Nov 6, 8:14 PM AKDT | Dense Fog Advisory | AJK | 15 hr | |
| Dec 14, 3:09 PM AKST | Dense Fog Advisory | AFG | 21 hr | |
| Dec 20, 3:31 PM AKST | Dense Fog Advisory | AFG | 8 hr | |
| Dec 21, 11:43 AM AKST | Dense Fog Advisory | AFC | 8 hr |
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. Warning verification from the Mesonet's Cow. Rebuilt daily.