Alert archive / Massachusetts / Mesoscale Discussions
Mesoscale Discussions in Massachusetts, 2011
62 mesoscale discussions in 2011. 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 2011. Tap one for its archive.
- Mesoscale Discussions
- 62
- Busiest month
- June13 mesoscale discussions
- Busiest day
- June 9, 20115 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 7, 11:46 AM EST | Mesoscale Discussion | SPC | Berkshire | 4 hr |
| Jan 12, 12:45 AM EST | Mesoscale Discussion | SPC | Bristol, Essex, Hampden, Middlesex, Norfolk, Plymouth and 2 more | 4 hr |
| Jan 12, 6:27 AM EST | Mesoscale Discussion | SPC | Berkshire, Essex, Franklin, Hampden, Hampshire, Middlesex and 3 more | 6 hr |
| Jan 18, 3:33 AM EST | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire | 6 hr |
| Jan 18, 8:01 AM EST | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire, Worcester | 4 hr |
| Jan 18, 12:37 PM EST | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampshire, Worcester | 4 hr |
| Jan 21, 12:30 AM EST | Mesoscale Discussion | SPC | Berkshire, Bristol, Essex, Franklin, Hampden, Hampshire and 5 more | 5 hr |
| Jan 21, 7:32 AM EST | Mesoscale Discussion | SPC | Essex, Norfolk, Plymouth, Suffolk | 5 hr |
| Jan 26, 11:12 AM EST | Mesoscale Discussion | SPC | Bristol | 4 hr |
| Jan 26, 7:18 PM EST | Mesoscale Discussion | SPC | Barnstable, Bristol, Dukes, Norfolk, Plymouth | 5 hr |
| Feb 1, 2:42 AM EST | Mesoscale Discussion | SPC | Berkshire | 4 hr |
| Feb 2, 2:57 AM EST | Mesoscale Discussion | SPC | Franklin, Hampden, Hampshire, Middlesex, Worcester | 4 hr |
| Feb 5, 9:02 PM EST | Mesoscale Discussion | SPC | Franklin | 118 min |
| Feb 28, 5:19 AM EST | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire, Worcester | 4 hr |
| Mar 6, 12:59 PM EST | Mesoscale Discussion | SPC | Berkshire | 4 hr |
| Mar 6, 7:32 PM EST | Mesoscale Discussion | SPC | Berkshire | 4 hr |
| Apr 28, 11:49 AM EDT | Mesoscale Discussion | SPC | Berkshire | 56 min |
| May 24, 1:34 PM EDT | Mesoscale Discussion | SPC | Berkshire, Essex, Franklin, Hampden, Hampshire, Middlesex and 3 more | 116 min |
| May 27, 12:24 PM EDT | Mesoscale Discussion | SPC | Berkshire | 96 min |
| May 27, 1:18 PM EDT | Mesoscale Discussion | SPC | Franklin | 87 min |
| May 27, 5:49 PM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin | 56 min |
| May 30, 12:28 AM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire, Worcester | 92 min |
| Jun 1, 12:26 PM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire, Middlesex, Worcester | 64 min |
| Jun 1, 4:17 PM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire, Middlesex, Worcester | 88 min |
| Jun 1, 5:47 PM EDT | Mesoscale Discussion | SPC | Bristol, Dukes, Plymouth | 58 min |
| Jun 1, 7:09 PM EDT | Mesoscale Discussion | SPC | Berkshire, Bristol, Essex, Franklin, Hampden, Hampshire and 4 more | 96 min |
| Jun 1, 9:43 PM EDT | Mesoscale Discussion | SPC | Barnstable, Bristol, Dukes, Essex, Hampden, Middlesex and 4 more | 92 min |
| Jun 8, 3:46 PM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampshire | 59 min |
| Jun 8, 7:45 PM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire | 90 min |
| Jun 9, 11:33 AM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire | 57 min |
| Jun 9, 1:45 PM EDT | Mesoscale Discussion | SPC | Bristol, Hampden, Hampshire, Middlesex, Norfolk, Plymouth and 2 more | 90 min |
| Jun 9, 3:18 PM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin | 87 min |
| Jun 9, 4:17 PM EDT | Mesoscale Discussion | SPC | Essex, Middlesex, Norfolk, Suffolk, Worcester | 88 min |
| Jun 9, 7:17 PM EDT | Mesoscale Discussion | SPC | Berkshire, Essex, Franklin, Hampden, Hampshire, Middlesex and 3 more | 58 min |
| Jun 18, 6:12 PM EDT | Mesoscale Discussion | SPC | Essex, Middlesex, Suffolk | 93 min |
| Jul 6, 6:03 PM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire, Worcester | 87 min |
| Jul 8, 11:44 AM EDT | Mesoscale Discussion | SPC | Hampden | 61 min |
| Jul 8, 5:52 PM EDT | Mesoscale Discussion | SPC | Hampden | 83 min |
| Jul 26, 11:05 AM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire, Worcester | 55 min |
| Jul 26, 1:34 PM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire, Middlesex, Worcester | 86 min |
| Jul 26, 3:39 PM EDT | Mesoscale Discussion | SPC | Berkshire | 66 min |
| Jul 26, 6:17 PM EDT | Mesoscale Discussion | SPC | Berkshire, Bristol, Essex, Franklin, Hampden, Hampshire and 5 more | 58 min |
| Jul 26, 8:10 PM EDT | Mesoscale Discussion | SPC | Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 3 more | 65 min |
| Aug 1, 12:07 PM EDT | Mesoscale Discussion | SPC | Berkshire | 53 min |
| Aug 1, 2:15 PM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire, Middlesex, Norfolk and 1 more | 90 min |
| Aug 1, 6:18 PM EDT | Mesoscale Discussion | SPC | Berkshire, Bristol, Franklin, Hampden, Hampshire, Middlesex and 3 more | 57 min |
| Aug 2, 10:42 AM EDT | Mesoscale Discussion | SPC | Essex, Middlesex | 63 min |
| Aug 2, 2:33 PM EDT | Mesoscale Discussion | SPC | Essex, Middlesex, Suffolk, Worcester | 57 min |
| Aug 19, 6:42 PM EDT | Mesoscale Discussion | SPC | Berkshire | 63 min |
| Aug 21, 11:54 AM EDT | Mesoscale Discussion | SPC | Berkshire | 2 hr |
| Aug 21, 3:05 PM EDT | Mesoscale Discussion | SPC | Essex, Middlesex, Norfolk, Suffolk, Worcester | 55 min |
| Aug 21, 4:34 PM EDT | Mesoscale Discussion | SPC | Berkshire | 116 min |
| Aug 21, 7:12 PM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire | 63 min |
| Aug 28, 12:30 AM EDT | Mesoscale Discussion | SPC | Bristol, Dukes, Hampden, Norfolk, Plymouth, Worcester | 90 min |
| Aug 28, 4:01 AM EDT | Mesoscale Discussion | SPC | Dukes | 89 min |
| Aug 28, 8:09 AM EDT | Mesoscale Discussion | SPC | Barnstable, Bristol, Dukes, Nantucket, Plymouth | 2 hr |
| Sep 15, 2:43 PM EDT | Mesoscale Discussion | SPC | Barnstable, Bristol, Dukes, Essex, Norfolk, Plymouth and 1 more | 92 min |
| Sep 29, 11:22 AM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire, Worcester | 83 min |
| Oct 1, 5:38 AM EDT | Mesoscale Discussion | SPC | Barnstable, Dukes, Nantucket | 2 hr |
| Oct 29, 1:01 PM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire, Middlesex, Worcester | 5 hr |
| Oct 29, 7:49 PM EDT | Mesoscale Discussion | SPC | Middlesex | 5 hr |
| Dec 7, 10:25 PM EST | Mesoscale Discussion | SPC | Berkshire | 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 archive20102012
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. Rebuilt daily.