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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 19, 10:23 PM EST | Mesoscale Discussion | SPC | Androscoggin, Cumberland, Hancock, Kennebec, Knox, Lincoln and 4 more | 6 hr |
| Feb 8, 10:01 PM EST | Mesoscale Discussion | SPC | York | 4 hr |
| Feb 13, 8:15 AM EST | Mesoscale Discussion | SPC | Androscoggin, Aroostook, Cumberland, Franklin, Hancock, Kennebec and 9 more | 6 hr |
| Feb 16, 8:28 AM EST | Mesoscale Discussion | SPC | Androscoggin, Cumberland, Franklin, Hancock, Kennebec, Knox and 9 more | 6 hr |
| Mar 24, 2:46 PM EDT | Mesoscale Discussion | SPC | Androscoggin, Cumberland, Hancock, Kennebec, Knox, Lincoln and 4 more | 3 hr |
| Jun 19, 2:53 PM EDT | Mesoscale Discussion | SPC | Franklin, Oxford, Somerset | 67 min |
| Jun 19, 4:34 PM EDT | Mesoscale Discussion | SPC | Franklin, Oxford, Somerset | 116 min |
| Jun 19, 6:59 PM EDT | Mesoscale Discussion | SPC | Franklin, Penobscot, Piscataquis, Somerset | 2 hr |
| Jun 23, 9:31 PM EDT | Mesoscale Discussion | SPC | Piscataquis | 89 min |
| Jul 3, 10:07 AM EDT | Mesoscale Discussion | SPC | Androscoggin, Aroostook, Cumberland, Franklin, Hancock, Kennebec and 10 more | 113 min |
| Jul 3, 12:17 PM EDT | Mesoscale Discussion | SPC | Androscoggin, Aroostook, Cumberland, Franklin, Hancock, Kennebec and 10 more | 118 min |
| Jul 3, 3:20 PM EDT | Mesoscale Discussion | SPC | Androscoggin, Franklin, Hancock, Kennebec, Oxford, Penobscot and 3 more | 115 min |
| Jul 6, 4:26 PM EDT | Mesoscale Discussion | SPC | Aroostook, Franklin, Penobscot, Piscataquis, Somerset | 94 min |
| Jul 7, 4:03 PM EDT | Mesoscale Discussion | SPC | Franklin, Oxford, Penobscot, Piscataquis, Somerset, Washington | 117 min |
| Jul 14, 1:20 PM EDT | Mesoscale Discussion | SPC | Aroostook, Franklin, Oxford, Somerset | 2 hr |
| Jul 17, 1:09 PM EDT | Mesoscale Discussion | SPC | Androscoggin, Aroostook, Cumberland, Franklin, Kennebec, Oxford and 4 more | 3 hr |
| Jul 17, 4:40 PM EDT | Mesoscale Discussion | SPC | Aroostook, Franklin, Oxford, Piscataquis, Somerset | 2 hr |
| Jul 17, 6:43 PM EDT | Mesoscale Discussion | SPC | Aroostook, Franklin, Oxford, Piscataquis, Somerset | 92 min |
| Jul 30, 12:01 PM EDT | Mesoscale Discussion | SPC | Franklin, Penobscot, Piscataquis, Somerset | 3 hr |
| Aug 17, 1:41 PM EDT | Mesoscale Discussion | SPC | Androscoggin, Cumberland, Kennebec, Knox, Lincoln, Oxford and 3 more | 2 hr |
| Sep 6, 11:56 AM EDT | Mesoscale Discussion | SPC | Androscoggin, Cumberland, Kennebec, Oxford, Penobscot, Sagadahoc and 2 more | 94 min |
| Sep 6, 3:49 PM EDT | Mesoscale Discussion | SPC | Androscoggin, Cumberland, Kennebec, Oxford, Penobscot, Waldo and 1 more | 86 min |
| Dec 2, 8:12 PM EST | Mesoscale Discussion | SPC | Androscoggin, Cumberland, Hancock, Kennebec, Knox, Lincoln and 5 more | 6 hr |
| Dec 24, 5:47 AM EST | Mesoscale Discussion | SPC | Androscoggin, Cumberland, Kennebec, Lincoln, Sagadahoc | 4 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.