Alert archive / Maine / Mesoscale Discussions

Mesoscale Discussions in Maine, 2025

24 mesoscale discussions in 2025. 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 2025. Tap one for its archive.

Mesoscale Discussions
24
Busiest month
July10 mesoscale discussions
Busiest day
June 19, 20253 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 19, 10:23 PM ESTMesoscale DiscussionSPCAndroscoggin, Cumberland, Hancock, Kennebec, Knox, Lincoln and 4 more6 hr
Feb 8, 10:01 PM ESTMesoscale DiscussionSPCYork4 hr
Feb 13, 8:15 AM ESTMesoscale DiscussionSPCAndroscoggin, Aroostook, Cumberland, Franklin, Hancock, Kennebec and 9 more6 hr
Feb 16, 8:28 AM ESTMesoscale DiscussionSPCAndroscoggin, Cumberland, Franklin, Hancock, Kennebec, Knox and 9 more6 hr
Mar 24, 2:46 PM EDTMesoscale DiscussionSPCAndroscoggin, Cumberland, Hancock, Kennebec, Knox, Lincoln and 4 more3 hr
Jun 19, 2:53 PM EDTMesoscale DiscussionSPCFranklin, Oxford, Somerset67 min
Jun 19, 4:34 PM EDTMesoscale DiscussionSPCFranklin, Oxford, Somerset116 min
Jun 19, 6:59 PM EDTMesoscale DiscussionSPCFranklin, Penobscot, Piscataquis, Somerset2 hr
Jun 23, 9:31 PM EDTMesoscale DiscussionSPCPiscataquis89 min
Jul 3, 10:07 AM EDTMesoscale DiscussionSPCAndroscoggin, Aroostook, Cumberland, Franklin, Hancock, Kennebec and 10 more113 min
Jul 3, 12:17 PM EDTMesoscale DiscussionSPCAndroscoggin, Aroostook, Cumberland, Franklin, Hancock, Kennebec and 10 more118 min
Jul 3, 3:20 PM EDTMesoscale DiscussionSPCAndroscoggin, Franklin, Hancock, Kennebec, Oxford, Penobscot and 3 more115 min
Jul 6, 4:26 PM EDTMesoscale DiscussionSPCAroostook, Franklin, Penobscot, Piscataquis, Somerset94 min
Jul 7, 4:03 PM EDTMesoscale DiscussionSPCFranklin, Oxford, Penobscot, Piscataquis, Somerset, Washington117 min
Jul 14, 1:20 PM EDTMesoscale DiscussionSPCAroostook, Franklin, Oxford, Somerset2 hr
Jul 17, 1:09 PM EDTMesoscale DiscussionSPCAndroscoggin, Aroostook, Cumberland, Franklin, Kennebec, Oxford and 4 more3 hr
Jul 17, 4:40 PM EDTMesoscale DiscussionSPCAroostook, Franklin, Oxford, Piscataquis, Somerset2 hr
Jul 17, 6:43 PM EDTMesoscale DiscussionSPCAroostook, Franklin, Oxford, Piscataquis, Somerset92 min
Jul 30, 12:01 PM EDTMesoscale DiscussionSPCFranklin, Penobscot, Piscataquis, Somerset3 hr
Aug 17, 1:41 PM EDTMesoscale DiscussionSPCAndroscoggin, Cumberland, Kennebec, Knox, Lincoln, Oxford and 3 more2 hr
Sep 6, 11:56 AM EDTMesoscale DiscussionSPCAndroscoggin, Cumberland, Kennebec, Oxford, Penobscot, Sagadahoc and 2 more94 min
Sep 6, 3:49 PM EDTMesoscale DiscussionSPCAndroscoggin, Cumberland, Kennebec, Oxford, Penobscot, Waldo and 1 more86 min
Dec 2, 8:12 PM ESTMesoscale DiscussionSPCAndroscoggin, Cumberland, Hancock, Kennebec, Knox, Lincoln and 5 more6 hr
Dec 24, 5:47 AM ESTMesoscale DiscussionSPCAndroscoggin, Cumberland, Kennebec, Lincoln, Sagadahoc4 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 archive20242026

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.