Alert archive / Massachusetts / Mesoscale Discussions

Mesoscale Discussions in Massachusetts, 2018

40 mesoscale discussions in 2018. 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 2018. Tap one for its archive.

Mesoscale Discussions
40
Busiest month
July8 mesoscale discussions
Busiest day
May 15, 20183 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.

IssuedProductOfficeCountiesLasted
Jan 4, 6:06 AM ESTMesoscale DiscussionSPCBristol, Essex, Middlesex, Norfolk, Plymouth, Suffolk and 1 more6 hr
Jan 13, 12:56 AM ESTMesoscale DiscussionSPCBerkshire, Franklin6 hr
Feb 7, 11:25 AM ESTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire6 hr
Feb 7, 6:21 PM ESTMesoscale DiscussionSPCFranklin, Hampden, Hampshire, Worcester4 hr
Mar 2, 3:15 AM ESTMesoscale DiscussionSPCBerkshire6 hr
Mar 7, 1:25 PM ESTMesoscale DiscussionSPCBristol, Hampden, Middlesex, Norfolk, Plymouth, Suffolk and 1 more6 hr
Mar 13, 7:08 AM EDTMesoscale DiscussionSPCBristol, Essex, Norfolk, Plymouth, Suffolk6 hr
Mar 13, 1:42 PM EDTMesoscale DiscussionSPCEssex, Middlesex, Norfolk, Suffolk3 hr
Mar 21, 8:57 PM EDTMesoscale DiscussionSPCBristol, Norfolk6 hr
May 4, 5:52 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire, Middlesex, Norfolk and 1 more83 min
May 4, 8:50 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire, Worcester85 min
May 15, 11:43 AM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampshire3 hr
May 15, 1:58 PM EDTMesoscale DiscussionSPCBristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 3 more2 hr
May 15, 2:38 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire2 hr
May 26, 1:09 PM EDTMesoscale DiscussionSPCEssex3 hr
Jun 18, 5:55 PM EDTMesoscale DiscussionSPCHampden, Hampshire, Middlesex, Norfolk, Suffolk, Worcester2 hr
Jun 18, 7:05 PM EDTMesoscale DiscussionSPCEssex55 min
Jul 10, 4:22 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire, Worcester2 hr
Jul 17, 10:35 AM EDTMesoscale DiscussionSPCBerkshire, Essex, Franklin, Hampden, Hampshire, Middlesex and 3 more115 min
Jul 17, 2:19 PM EDTMesoscale DiscussionSPCBristol, Essex, Hampden, Hampshire, Middlesex, Norfolk and 3 more86 min
Jul 26, 2:59 AM EDTMesoscale DiscussionSPCEssex, Middlesex, Norfolk, Suffolk2 hr
Jul 27, 12:59 PM EDTMesoscale DiscussionSPCBerkshire91 min
Jul 27, 4:50 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire, Worcester55 min
Jul 27, 7:06 PM EDTMesoscale DiscussionSPCBerkshire, Essex, Franklin, Hampden, Hampshire, Middlesex and 3 more54 min
Jul 28, 3:03 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampshire57 min
Aug 2, 5:33 PM EDTMesoscale DiscussionSPCEssex, Middlesex, Suffolk117 min
Aug 3, 11:45 AM EDTMesoscale DiscussionSPCBerkshire, Franklin2 hr
Aug 3, 4:15 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire, Worcester60 min
Aug 7, 1:03 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire, Middlesex, Worcester117 min
Aug 17, 2:42 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire3 hr
Aug 18, 12:11 PM EDTMesoscale DiscussionSPCBarnstable, Berkshire, Bristol, Dukes, Essex, Franklin and 8 more2 hr
Sep 6, 12:09 PM EDTMesoscale DiscussionSPCBerkshire, Essex, Franklin, Hampden, Hampshire, Middlesex and 2 more3 hr
Oct 2, 3:10 PM EDTMesoscale DiscussionSPCHampden, Hampshire2 hr
Oct 23, 3:54 PM EDTMesoscale DiscussionSPCBarnstable, Bristol, Norfolk, Plymouth66 min
Oct 29, 8:39 AM EDTMesoscale DiscussionSPCBarnstable, Bristol, Dukes, Plymouth3 hr
Nov 15, 4:39 PM ESTMesoscale DiscussionSPCBerkshire, Bristol, Franklin, Hampden, Hampshire, Middlesex and 2 more6 hr
Nov 15, 10:06 PM ESTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire, Middlesex, Worcester6 hr
Nov 16, 3:56 AM ESTMesoscale DiscussionSPCBerkshire, Franklin, Hampshire6 hr
Dec 16, 9:24 PM ESTMesoscale DiscussionSPCBerkshire, Franklin4 hr
Dec 16, 9:36 PM ESTMesoscale DiscussionSPCBerkshire, Franklin4 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.

  1. May 15, 20183mesoscale discussions
  2. July 27, 20183mesoscale discussions
  3. February 7, 20182mesoscale discussions
  4. March 13, 20182mesoscale discussions
  5. June 18, 20182mesoscale discussions
  6. July 17, 20182mesoscale discussions
  7. August 3, 20182mesoscale discussions
  8. November 16, 20182mesoscale discussions
  9. December 17, 20182mesoscale discussions
  10. January 4, 20181mesoscale discussions
  11. January 13, 20181mesoscale discussions
  12. March 2, 20181mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive20172019

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.