Alert archive / Massachusetts / Mesoscale Discussions / 2011

Mesoscale Discussions in Massachusetts, January 2011

10 mesoscale discussions in January 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 January 2011. Tap one for its archive.

Mesoscale Discussions
10
Busiest day
January 18, 20113 mesoscale discussions

Over time

By day

Days in UTC, the clock the archive keeps.

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 7, 11:46 AM ESTMesoscale DiscussionSPCBerkshire4 hr
Jan 12, 12:45 AM ESTMesoscale DiscussionSPCBristol, Essex, Hampden, Middlesex, Norfolk, Plymouth and 2 more4 hr
Jan 12, 6:27 AM ESTMesoscale DiscussionSPCBerkshire, Essex, Franklin, Hampden, Hampshire, Middlesex and 3 more6 hr
Jan 18, 3:33 AM ESTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire6 hr
Jan 18, 8:01 AM ESTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire, Worcester4 hr
Jan 18, 12:37 PM ESTMesoscale DiscussionSPCBerkshire, Franklin, Hampshire, Worcester4 hr
Jan 21, 12:30 AM ESTMesoscale DiscussionSPCBerkshire, Bristol, Essex, Franklin, Hampden, Hampshire and 5 more5 hr
Jan 21, 7:32 AM ESTMesoscale DiscussionSPCEssex, Norfolk, Plymouth, Suffolk5 hr
Jan 26, 11:12 AM ESTMesoscale DiscussionSPCBristol4 hr
Jan 26, 7:18 PM ESTMesoscale DiscussionSPCBarnstable, Bristol, Dukes, Norfolk, Plymouth5 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

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. Warning verification from the Mesonet's Cow. Rebuilt daily.