Alert archive / Massachusetts / Mesoscale Discussions
Mesoscale Discussions in Massachusetts, 2012
50 mesoscale discussions in 2012. 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 mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Mesoscale Discussions
- 50
- Busiest month
- July13 mesoscale discussions
- Busiest day
- September 8, 20126 mesoscale discussions
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 12, 3:52 AM EST | Mesoscale Discussion | SPC | Franklin | 6 hr |
| Feb 23, 11:48 PM EST | Mesoscale Discussion | SPC | Berkshire, Hampden, Hampshire | 4 hr |
| Feb 29, 11:05 AM EST | Mesoscale Discussion | SPC | Berkshire, Hampden, Hampshire | 4 hr |
| Feb 29, 11:17 PM EST | Mesoscale Discussion | SPC | Berkshire | 4 hr |
| May 16, 6:36 PM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire, Worcester | 84 min |
| May 16, 8:42 PM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire, Middlesex, Worcester | 63 min |
| May 29, 12:01 PM EDT | Mesoscale Discussion | SPC | Berkshire | 59 min |
| May 29, 1:52 PM EDT | Mesoscale Discussion | SPC | Berkshire | 53 min |
| May 29, 3:26 PM EDT | Mesoscale Discussion | SPC | Berkshire | 64 min |
| May 29, 7:01 PM EDT | Mesoscale Discussion | SPC | Hampden, Hampshire, Worcester | 89 min |
| Jun 22, 4:33 PM EDT | Mesoscale Discussion | SPC | Hampden | 87 min |
| Jun 23, 11:42 AM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin | 3 hr |
| Jun 25, 3:44 AM EDT | Mesoscale Discussion | SPC | Berkshire, Hampden, Hampshire | 2 hr |
| Jun 25, 3:12 PM EDT | Mesoscale Discussion | SPC | Franklin, Hampden, Hampshire | 63 min |
| Jul 1, 3:25 PM EDT | Mesoscale Discussion | SPC | Bristol, Hampden, Hampshire, Norfolk, Plymouth, Suffolk and 1 more | 95 min |
| Jul 1, 6:22 PM EDT | Mesoscale Discussion | SPC | Bristol | 83 min |
| Jul 18, 10:25 AM EDT | Mesoscale Discussion | SPC | Berkshire, Bristol, Franklin, Hampden, Hampshire, Middlesex and 2 more | 2 hr |
| Jul 18, 2:46 PM EDT | Mesoscale Discussion | SPC | Barnstable, Bristol, Dukes, Hampden, Middlesex, Norfolk and 3 more | 89 min |
| Jul 18, 4:50 PM EDT | Mesoscale Discussion | SPC | Bristol, Dukes, Hampden, Norfolk, Plymouth, Suffolk | 85 min |
| Jul 23, 12:32 PM EDT | Mesoscale Discussion | SPC | Berkshire | 88 min |
| Jul 23, 4:01 PM EDT | Mesoscale Discussion | SPC | Berkshire | 119 min |
| Jul 23, 10:29 PM EDT | Mesoscale Discussion | SPC | Berkshire | 91 min |
| Jul 24, 12:52 PM EDT | Mesoscale Discussion | SPC | Barnstable, Bristol, Dukes, Essex, Middlesex, Norfolk and 3 more | 83 min |
| Jul 26, 1:50 PM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire | 115 min |
| Jul 26, 6:04 PM EDT | Mesoscale Discussion | SPC | Hampden, Hampshire | 86 min |
| Jul 26, 7:28 PM EDT | Mesoscale Discussion | SPC | Barnstable, Bristol, Dukes, Hampden, Plymouth | 92 min |
| Jul 28, 12:26 PM EDT | Mesoscale Discussion | SPC | Hampden, Hampshire | 2 hr |
| Aug 5, 3:41 PM EDT | Mesoscale Discussion | SPC | Franklin, Hampden, Hampshire, Middlesex, Norfolk, Suffolk and 1 more | 94 min |
| Aug 5, 6:38 PM EDT | Mesoscale Discussion | SPC | Bristol, Norfolk | 2 hr |
| Aug 10, 8:21 AM EDT | Mesoscale Discussion | SPC | Berkshire | 2 hr |
| Aug 10, 2:03 PM EDT | Mesoscale Discussion | SPC | Barnstable, Bristol, Norfolk, Plymouth | 87 min |
| Aug 11, 12:56 PM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire, Middlesex, Norfolk and 1 more | 94 min |
| Sep 5, 2:12 PM EDT | Mesoscale Discussion | SPC | Dukes | 63 min |
| Sep 8, 10:39 AM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire | 2 hr |
| Sep 8, 1:30 PM EDT | Mesoscale Discussion | SPC | Berkshire, Hampden, Hampshire | 60 min |
| Sep 8, 2:46 PM EDT | Mesoscale Discussion | SPC | Berkshire | 59 min |
| Sep 8, 3:55 PM EDT | Mesoscale Discussion | SPC | Berkshire, Bristol, Essex, Franklin, Hampden, Hampshire and 4 more | 65 min |
| Sep 8, 6:17 PM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin | 58 min |
| Sep 8, 7:53 PM EDT | Mesoscale Discussion | SPC | Bristol, Dukes, Essex, Middlesex, Norfolk, Plymouth and 2 more | 97 min |
| Sep 8, 10:01 PM EDT | Mesoscale Discussion | SPC | Barnstable, Bristol, Dukes, Plymouth | 59 min |
| Sep 18, 3:26 PM EDT | Mesoscale Discussion | SPC | Berkshire | 34 min |
| Sep 18, 4:21 PM EDT | Mesoscale Discussion | SPC | Berkshire | 114 min |
| Sep 18, 4:41 PM EDT | Mesoscale Discussion | SPC | Franklin, Hampden, Hampshire, Middlesex, Norfolk, Worcester | 2 hr |
| Sep 18, 7:42 PM EDT | Mesoscale Discussion | SPC | Berkshire | 63 min |
| Sep 18, 11:09 PM EDT | Mesoscale Discussion | SPC | Bristol, Essex, Middlesex, Norfolk, Plymouth, Suffolk | 66 min |
| Oct 19, 11:50 PM EDT | Mesoscale Discussion | SPC | Bristol, Dukes, Essex, Middlesex, Norfolk, Plymouth and 2 more | 115 min |
| Oct 30, 5:51 AM EDT | Mesoscale Discussion | SPC | Barnstable, Bristol, Dukes, Essex, Franklin, Hampden and 7 more | 114 min |
| Dec 16, 8:19 PM EST | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire, Worcester | 5 hr |
| Dec 26, 4:39 PM EST | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire, Middlesex, Worcester | 5 hr |
| Dec 29, 2:22 PM EST | Mesoscale Discussion | SPC | Bristol, Hampden, Middlesex, Norfolk, Plymouth, Suffolk and 1 more | 4 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 archive20112013
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.