Alert archive / Maine / Dense Fog Advisories
Dense Fog Advisories in Maine, 2021
35 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
- 35
- Busiest month
- July10 dense fog advisories
- Busiest day
- March 23, 20213 dense fog advisories
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 23, 7:04 AM EDT | Dense Fog Advisory | GYX | Kennebec, Knox, Lincoln, Sagadahoc, Somerset, Waldo | 116 min |
| Mar 23, 2:34 PM EDT | Dense Fog Advisory | GYX | Androscoggin, Cumberland, Kennebec, Knox, Lincoln, Sagadahoc and 2 more | 19 hr |
| Mar 23, 3:37 PM EDT | Dense Fog Advisory | CAR | Hancock, Penobscot, Washington | 18 hr |
| Mar 24, 2:38 PM EDT | Dense Fog Advisory | GYX | Androscoggin, Cumberland, Kennebec, Knox, Lincoln, Sagadahoc and 2 more | 19 hr |
| Mar 24, 3:32 PM EDT | Dense Fog Advisory | CAR | Hancock, Penobscot, Piscataquis, Washington | 18 hr |
| Mar 25, 6:15 PM EDT | Dense Fog Advisory | CAR | Aroostook, Hancock, Penobscot, Piscataquis, Somerset, Washington | 16 hr |
| Mar 25, 8:46 PM EDT | Dense Fog Advisory | GYX | Androscoggin, Cumberland, Kennebec, Knox, Lincoln, Sagadahoc and 3 more | 15 hr |
| Jun 21, 5:46 PM EDT | Dense Fog Advisory | GYX | Cumberland, Knox, Lincoln, Sagadahoc, Waldo | 14 hr |
| Jun 21, 5:55 PM EDT | Dense Fog Advisory | CAR | Hancock, Washington | 12 hr |
| Jun 25, 6:18 PM EDT | Dense Fog Advisory | CAR | Hancock, Washington | 13 hr |
| Jul 6, 5:08 AM EDT | Dense Fog Advisory | CAR | Hancock, Penobscot, Piscataquis, Washington | 3 hr |
| Jul 6, 5:26 AM EDT | Dense Fog Advisory | GYX | Androscoggin, Cumberland, Kennebec, Knox, Lincoln, Sagadahoc and 2 more | 3 hr |
| Jul 14, 7:12 AM EDT | Dense Fog Advisory | GYX | Cumberland, York | 53 min |
| Jul 14, 8:05 AM EDT | Dense Fog Advisory | GYX | Cumberland, York | 3 hr |
| Jul 14, 8:33 PM EDT | Dense Fog Advisory | GYX | Androscoggin, Cumberland, Franklin, Kennebec, Knox, Lincoln and 5 more | 12 hr |
| Jul 14, 8:53 PM EDT | Dense Fog Advisory | CAR | Hancock, Penobscot, Piscataquis, Washington | 11 hr |
| Jul 15, 8:50 PM EDT | Dense Fog Advisory | CAR | Hancock, Penobscot, Washington | 12 hr |
| Jul 15, 9:42 PM EDT | Dense Fog Advisory | GYX | Cumberland, Kennebec, Knox, Lincoln, Sagadahoc, Waldo | 8 hr |
| Jul 26, 5:10 AM EDT | Dense Fog Advisory | GYX | Androscoggin, Kennebec, Knox, Lincoln, Sagadahoc, Waldo | 3 hr |
| Jul 26, 5:15 AM EDT | Dense Fog Advisory | CAR | Hancock, Penobscot, Washington | 3 hr |
| Aug 9, 3:31 PM EDT | Dense Fog Advisory | GYX | Androscoggin, Cumberland, Kennebec, Knox, Lincoln, Sagadahoc and 2 more | 15 hr |
| Aug 11, 7:41 PM EDT | Dense Fog Advisory | GYX | Knox, Waldo | 14 hr |
| Aug 11, 7:43 PM EDT | Dense Fog Advisory | CAR | Hancock, Washington | 14 hr |
| Aug 21, 8:40 PM EDT | Dense Fog Advisory | CAR | Hancock, Washington | 12 hr |
| Aug 21, 8:59 PM EDT | Dense Fog Advisory | GYX | Cumberland, Knox, Lincoln, Sagadahoc, Waldo, York | 11 hr |
| Aug 23, 6:06 AM EDT | Dense Fog Advisory | GYX | Androscoggin, Cumberland, Kennebec, Knox, Lincoln, Sagadahoc and 2 more | 3 hr |
| Aug 23, 6:33 AM EDT | Dense Fog Advisory | CAR | Hancock, Washington | 2 hr |
| Sep 17, 11:50 PM EDT | Dense Fog Advisory | GYX | Androscoggin, Cumberland, Kennebec, Knox, Lincoln, Sagadahoc and 2 more | 9 hr |
| Sep 18, 12:07 AM EDT | Dense Fog Advisory | CAR | Hancock, Washington | 9 hr |
| Oct 11, 5:39 AM EDT | Dense Fog Advisory | GYX | Androscoggin, Franklin, Kennebec, Oxford, Somerset | 3 hr |
| Oct 11, 5:59 AM EDT | Dense Fog Advisory | CAR | Hancock, Penobscot, Piscataquis | 4 hr |
| Oct 11, 2:29 PM EDT | Dense Fog Advisory | GYX | Androscoggin, Cumberland, Franklin, Kennebec, Knox, Lincoln and 5 more | 19 hr |
| Dec 16, 3:14 PM EST | Dense Fog Advisory | GYX | Androscoggin, Cumberland, Kennebec, Knox, Lincoln, Sagadahoc and 3 more | 12 hr |
| Dec 16, 3:32 PM EST | Dense Fog Advisory | CAR | Hancock, Penobscot, Piscataquis, Washington | 9 hr |
| Dec 17, 1:05 AM EST | Dense Fog Advisory | CAR | Hancock, Penobscot, Piscataquis, Washington | 2 hr |
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. Warning verification from the Mesonet's Cow. Rebuilt daily.