Alert archive / Alaska / Dense Fog Advisories
Dense Fog Advisories in Alaska, 2020
54 dense fog advisories in 2020. 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 2020. Tap one for its archive.
- Dense Fog Advisories
- 54
- Busiest month
- September11 dense fog advisories
- Busiest day
- April 16, 20203 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 8, 6:41 AM AKST | Dense Fog Advisory | AFG | 27 hr | |
| Feb 7, 5:01 AM AKST | Dense Fog Advisory | AJK | 6 hr | |
| Mar 20, 1:08 AM AKDT | Dense Fog Advisory | AJK | 7 hr | |
| Apr 16, 5:44 AM AKDT | Dense Fog Advisory | AFC | 4 hr | |
| Apr 16, 9:37 AM AKDT | Dense Fog Advisory | AJK | 92 min | |
| Apr 16, 10:04 AM AKDT | Dense Fog Advisory | AFC | 116 min | |
| Apr 17, 3:11 AM AKDT | Dense Fog Advisory | AFC | 9 hr | |
| Apr 17, 10:17 PM AKDT | Dense Fog Advisory | AJK | 13 hr | |
| Apr 18, 6:46 AM AKDT | Dense Fog Advisory | AFG | 5 hr | |
| Apr 19, 3:42 AM AKDT | Dense Fog Advisory | AJK | 6 hr | |
| Apr 19, 9:40 PM AKDT | Dense Fog Advisory | AFG | 7 hr | |
| Apr 20, 1:55 PM AKDT | Dense Fog Advisory | AFG | 21 hr | |
| Apr 25, 7:22 AM AKDT | Dense Fog Advisory | AJK | 3 hr | |
| May 1, 6:58 AM AKDT | Dense Fog Advisory | AJK | 3 hr | |
| May 13, 5:31 AM AKDT | Dense Fog Advisory | AJK | 3 hr | |
| May 13, 9:10 AM AKDT | Dense Fog Advisory | AJK | 4 hr | |
| May 27, 4:02 AM AKDT | Dense Fog Advisory | AJK | 6 hr | |
| Jun 6, 4:58 AM AKDT | Dense Fog Advisory | AJK | 3 hr | |
| Jun 12, 4:02 AM AKDT | Dense Fog Advisory | AJK | 2 hr | |
| Jun 27, 6:58 AM AKDT | Dense Fog Advisory | AJK | 2 hr | |
| Jul 10, 4:33 AM AKDT | Dense Fog Advisory | AFG | 5 hr | |
| Jul 16, 3:35 AM AKDT | Dense Fog Advisory | AJK | 4 hr | |
| Jul 28, 6:06 AM AKDT | Dense Fog Advisory | AJK | 3 hr | |
| Aug 9, 7:29 AM AKDT | Dense Fog Advisory | AFG | 3 hr | |
| Aug 13, 2:53 AM AKDT | Dense Fog Advisory | AFG | 7 hr | |
| Aug 21, 4:26 AM AKDT | Dense Fog Advisory | AJK | 102 min | |
| Aug 21, 11:48 PM AKDT | Dense Fog Advisory | AJK | 5 hr | |
| Aug 26, 5:53 AM AKDT | Dense Fog Advisory | AFG | 4 hr | |
| Aug 27, 6:00 AM AKDT | Dense Fog Advisory | AJK | 4 hr | |
| Aug 29, 3:43 AM AKDT | Dense Fog Advisory | AJK | 6 hr | |
| Sep 3, 8:01 AM AKDT | Dense Fog Advisory | AFG | 119 min | |
| Sep 4, 8:02 AM AKDT | Dense Fog Advisory | AJK | 118 min | |
| Sep 5, 2:15 AM AKDT | Dense Fog Advisory | AJK | 9 hr | |
| Sep 6, 5:44 AM AKDT | Dense Fog Advisory | AFG | 3 hr | |
| Sep 7, 1:32 AM AKDT | Dense Fog Advisory | AJK | 7 hr | |
| Sep 9, 3:43 AM AKDT | Dense Fog Advisory | AJK | 8 hr | |
| Sep 10, 4:48 AM AKDT | Dense Fog Advisory | AJK | 73 min | |
| Sep 20, 5:38 AM AKDT | Dense Fog Advisory | AFG | 6 hr | |
| Sep 28, 6:13 AM AKDT | Dense Fog Advisory | AFG | 4 hr | |
| Sep 29, 4:44 AM AKDT | Dense Fog Advisory | AJK | 5 hr | |
| Sep 29, 5:35 AM AKDT | Dense Fog Advisory | AFG | 4 hr | |
| Oct 1, 1:55 AM AKDT | Dense Fog Advisory | AJK | 7 hr | |
| Oct 14, 4:32 AM AKDT | Dense Fog Advisory | AJK | 7 hr | |
| Oct 28, 1:07 AM AKDT | Dense Fog Advisory | AJK | 7 hr | |
| Oct 28, 3:43 AM AKDT | Dense Fog Advisory | AFC | 9 hr | |
| Oct 28, 11:36 PM AKDT | Dense Fog Advisory | AFC | 13 hr | |
| Oct 29, 4:59 AM AKDT | Dense Fog Advisory | AJK | 6 hr | |
| Nov 13, 6:41 AM AKST | Dense Fog Advisory | AFC | 5 hr | |
| Nov 14, 7:43 PM AKST | Dense Fog Advisory | AFC | 15 hr | |
| Nov 26, 9:46 PM AKST | Dense Fog Advisory | AFG | 7 hr | |
| Dec 10, 9:25 AM AKST | Dense Fog Advisory | AFC | 12 hr | |
| Dec 12, 5:44 AM AKST | Dense Fog Advisory | AJK | 4 hr | |
| Dec 12, 10:34 AM AKST | Dense Fog Advisory | AJK | 7 hr | |
| Dec 27, 10:51 AM AKST | Dense Fog Advisory | AJK | 79 min |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.