Alert archive / Maine / Mesoscale Discussions

Mesoscale Discussions in Maine, 2026

20 mesoscale discussions in 2026. 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 2026. Tap one for its archive.

Mesoscale Discussions
20
Busiest month
July6 mesoscale discussions
Busiest day
June 18, 20262 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 25, 4:02 PM ESTMesoscale DiscussionSPCYork4 hr
Jan 25, 7:26 PM ESTMesoscale DiscussionSPCAndroscoggin, Cumberland, Hancock, Kennebec, Knox, Lincoln and 5 more5 hr
Feb 20, 4:42 PM ESTMesoscale DiscussionSPCAndroscoggin, Cumberland, Oxford, York5 hr
Mar 3, 6:52 PM ESTMesoscale DiscussionSPCYork6 hr
Mar 11, 12:40 PM EDTMesoscale DiscussionSPCAroostook, Penobscot, Piscataquis, Somerset6 hr
May 5, 1:33 PM EDTMesoscale DiscussionSPCFranklin, Oxford, Somerset87 min
May 26, 6:23 PM EDTMesoscale DiscussionSPCAroostook3 hr
Jun 14, 4:20 PM EDTMesoscale DiscussionSPCFranklin, Kennebec, Oxford, Penobscot, Piscataquis, Somerset115 min
Jun 18, 1:25 PM EDTMesoscale DiscussionSPCAndroscoggin, Cumberland, Oxford, York2 hr
Jun 18, 4:06 PM EDTMesoscale DiscussionSPCAndroscoggin, Cumberland, Oxford, York84 min
Jun 26, 4:16 PM EDTMesoscale DiscussionSPCYork119 min
Jul 2, 8:13 PM EDTMesoscale DiscussionSPCFranklin, Oxford, Somerset2 hr
Jul 14, 2:15 PM EDTMesoscale DiscussionSPCFranklin, Oxford, Somerset2 hr
Jul 14, 6:53 PM EDTMesoscale DiscussionSPCFranklin, Oxford2 hr
Jul 14, 10:11 PM EDTMesoscale DiscussionSPCCumberland, Oxford, York94 min
Jul 16, 11:46 AM EDTMesoscale DiscussionSPCAndroscoggin, Cumberland, Kennebec, Lincoln, Oxford, Sagadahoc2 hr
Jul 22, 1:14 PM EDTMesoscale DiscussionSPCAndroscoggin, Aroostook, Cumberland, Franklin, Kennebec, Oxford and 6 more91 min
Aug 3, 12:13 PM EDTMesoscale DiscussionSPCAndroscoggin, Cumberland, Franklin, Oxford, York2 hr
Aug 24, 1:52 PM EDTMesoscale DiscussionSPCAroostook, Franklin, Piscataquis, Somerset2 hr
Aug 28, 1:28 PM EDTMesoscale DiscussionSPCAndroscoggin, Aroostook, Kennebec, Penobscot, Piscataquis, Waldo3 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. June 18, 20262mesoscale discussions
  2. July 14, 20262mesoscale discussions
  3. January 25, 20261mesoscale discussions
  4. January 26, 20261mesoscale discussions
  5. February 20, 20261mesoscale discussions
  6. March 3, 20261mesoscale discussions
  7. March 11, 20261mesoscale discussions
  8. May 5, 20261mesoscale discussions
  9. May 26, 20261mesoscale discussions
  10. June 14, 20261mesoscale discussions
  11. June 26, 20261mesoscale discussions
  12. July 3, 20261mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive2025

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.