Alert archive / Massachusetts / Dense Fog Advisories
Dense Fog Advisories in Massachusetts, 2017
32 dense fog advisories in 2017. 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 2017. Tap one for its archive.
- Dense Fog Advisories
- 32
- Busiest month
- September9 dense fog advisories
- Busiest day
- February 8, 20172 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 |
|---|---|---|---|---|
| Jan 21, 7:52 PM EST | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Franklin, Hampden, Hampshire and 3 more | 14 hr |
| Feb 8, 12:51 AM EST | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Norfolk, Plymouth | 3 hr |
| Feb 8, 4:56 AM EST | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Norfolk, Plymouth | 5 hr |
| Feb 23, 12:29 AM EST | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Plymouth | 11 hr |
| Feb 24, 10:53 PM EST | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Norfolk, Plymouth | 11 hr |
| Mar 1, 3:32 AM EST | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Norfolk, Plymouth | 6 hr |
| Mar 1, 10:04 AM EST | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Plymouth | 10 hr |
| Apr 6, 6:14 PM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Plymouth | 4 hr |
| Apr 26, 3:48 PM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Essex, Middlesex, Nantucket and 4 more | 15 hr |
| Apr 27, 3:52 PM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Plymouth | 17 hr |
| May 1, 7:34 PM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Plymouth | 9 hr |
| May 25, 7:44 PM EDT | Dense Fog Advisory | BOX | Barnstable, Dukes, Nantucket | 7 hr |
| May 31, 6:08 AM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Norfolk, Plymouth and 1 more | 4 hr |
| Jun 17, 8:32 PM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Plymouth | 12 hr |
| Jul 18, 3:18 AM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Plymouth | 6 hr |
| Jul 18, 7:40 PM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Plymouth | 13 hr |
| Jul 20, 7:39 PM EDT | Dense Fog Advisory | BOX | Nantucket | 11 hr |
| Aug 4, 8:42 PM EDT | Dense Fog Advisory | BOX | Barnstable, Dukes, Nantucket | 13 hr |
| Aug 14, 7:06 PM EDT | Dense Fog Advisory | BOX | Barnstable, Dukes, Nantucket | 15 hr |
| Sep 15, 11:08 PM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Essex, Nantucket, Norfolk and 2 more | 9 hr |
| Sep 16, 6:54 PM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Essex, Nantucket, Norfolk and 2 more | 13 hr |
| Sep 17, 6:44 PM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Essex, Middlesex, Nantucket and 3 more | 7 hr |
| Sep 18, 5:23 PM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Essex, Middlesex, Nantucket, Norfolk and 2 more | 12 hr |
| Sep 23, 8:54 AM EDT | Dense Fog Advisory | BOX | Barnstable, Nantucket | 4 hr |
| Sep 23, 11:33 PM EDT | Dense Fog Advisory | BOX | Barnstable, Dukes, Nantucket | 9 hr |
| Sep 25, 8:26 PM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Essex, Middlesex, Nantucket and 3 more | 12 hr |
| Sep 26, 9:17 PM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Franklin, Hampden, Hampshire and 4 more | 14 hr |
| Sep 27, 6:58 PM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Norfolk, Plymouth | 12 hr |
| Oct 6, 11:10 PM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Norfolk, Plymouth | 13 hr |
| Oct 14, 6:17 PM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Essex, Franklin, Hampden and 7 more | 15 hr |
| Oct 15, 3:29 PM EDT | Dense Fog Advisory | BOX | Dukes, Nantucket | 4 hr |
| Oct 23, 3:23 AM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Hampden, Nantucket, Norfolk and 2 more | 7 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 archive20162018
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.