Alert archive / Massachusetts / Mesoscale Discussions

Mesoscale Discussions in Massachusetts, 2019

46 mesoscale discussions in 2019. 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 2019. Tap one for its archive.

Mesoscale Discussions
46
Busiest month
July13 mesoscale discussions
Busiest day
July 17, 20193 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 20, 6:42 AM ESTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire, Middlesex, Worcester6 hr
Jan 20, 1:01 PM ESTMesoscale DiscussionSPCEssex, Franklin, Hampshire, Middlesex, Norfolk, Suffolk and 1 more4 hr
Jan 29, 5:46 PM ESTMesoscale DiscussionSPCBerkshire4 hr
Jan 30, 11:10 AM ESTMesoscale DiscussionSPCBerkshire, Hampden, Hampshire4 hr
Feb 12, 10:48 AM ESTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire4 hr
Feb 12, 3:35 PM ESTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire, Middlesex, Worcester4 hr
Feb 20, 10:15 PM ESTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire, Middlesex, Norfolk and 2 more5 hr
Mar 3, 10:44 PM ESTMesoscale DiscussionSPCBarnstable, Bristol, Hampden, Norfolk, Plymouth, Worcester4 hr
Mar 4, 3:16 AM ESTMesoscale DiscussionSPCEssex, Middlesex, Norfolk, Suffolk, Worcester4 hr
May 20, 1:01 PM EDTMesoscale DiscussionSPCBerkshire, Bristol, Essex, Franklin, Hampden, Hampshire and 5 more119 min
May 20, 5:16 PM EDTMesoscale DiscussionSPCBerkshire, Essex, Franklin, Hampden, Hampshire, Middlesex and 3 more119 min
Jun 2, 1:15 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire, Worcester2 hr
Jun 26, 4:50 PM EDTMesoscale DiscussionSPCBerkshire, Franklin85 min
Jul 6, 1:48 PM EDTMesoscale DiscussionSPCBerkshire, Bristol, Essex, Franklin, Hampden, Hampshire and 5 more2 hr
Jul 17, 1:03 PM EDTMesoscale DiscussionSPCBerkshire, Bristol, Franklin, Hampden, Hampshire, Middlesex and 3 more2 hr
Jul 17, 3:59 PM EDTMesoscale DiscussionSPCBerkshire, Bristol, Franklin, Hampden, Hampshire, Middlesex and 4 more2 hr
Jul 17, 6:54 PM EDTMesoscale DiscussionSPCBarnstable, Bristol, Dukes, Plymouth96 min
Jul 20, 6:24 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampshire96 min
Jul 20, 9:03 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire, Middlesex, Worcester57 min
Jul 20, 9:53 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire, Middlesex, Worcester67 min
Jul 22, 8:51 PM EDTMesoscale DiscussionSPCBristol, Norfolk, Plymouth84 min
Jul 28, 4:56 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire, Worcester2 hr
Jul 30, 4:22 PM EDTMesoscale DiscussionSPCBerkshire, Franklin113 min
Jul 30, 6:32 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampshire88 min
Jul 31, 12:39 PM EDTMesoscale DiscussionSPCBerkshire, Bristol, Essex, Franklin, Hampden, Hampshire and 4 more66 min
Jul 31, 4:19 PM EDTMesoscale DiscussionSPCBarnstable, Bristol, Dukes, Essex, Franklin, Hampden and 6 more56 min
Aug 3, 1:02 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire2 hr
Aug 7, 1:02 PM EDTMesoscale DiscussionSPCBarnstable, Berkshire, Bristol, Dukes, Franklin, Hampden and 6 more88 min
Aug 7, 3:57 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire, Worcester93 min
Aug 7, 6:56 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire, Worcester64 min
Aug 17, 6:22 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire2 hr
Aug 18, 6:11 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire, Worcester2 hr
Aug 19, 1:38 PM EDTMesoscale DiscussionSPCBristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 3 more67 min
Aug 21, 11:31 AM EDTMesoscale DiscussionSPCBristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more119 min
Aug 21, 3:55 PM EDTMesoscale DiscussionSPCBerkshire, Essex, Franklin, Hampden, Hampshire, Middlesex and 3 more95 min
Aug 21, 6:20 PM EDTMesoscale DiscussionSPCBerkshire, Bristol, Dukes, Essex, Franklin, Hampden and 6 more115 min
Sep 2, 3:58 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire, Middlesex, Norfolk and 1 more3 hr
Sep 4, 11:19 AM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire, Worcester116 min
Sep 4, 3:27 PM EDTMesoscale DiscussionSPCBerkshire, Essex, Franklin, Hampden, Hampshire, Middlesex and 3 more93 min
Sep 26, 3:40 PM EDTMesoscale DiscussionSPCBristol, Norfolk, Plymouth, Suffolk2 hr
Oct 16, 8:52 PM EDTMesoscale DiscussionSPCBarnstable, Bristol, Dukes, Plymouth83 min
Nov 1, 12:50 AM EDTMesoscale DiscussionSPCBerkshire, Hampden, Hampshire85 min
Dec 1, 7:05 PM ESTMesoscale DiscussionSPCBerkshire, Bristol, Essex, Franklin, Hampden, Hampshire and 4 more5 hr
Dec 3, 4:51 AM ESTMesoscale DiscussionSPCBristol, Essex, Middlesex, Norfolk, Suffolk2 hr
Dec 17, 11:06 AM ESTMesoscale DiscussionSPCBerkshire, Hampden, Hampshire5 hr
Dec 29, 7:28 PM ESTMesoscale DiscussionSPCFranklin4 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 archive20182020

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.