Mesoscale Discussions in Montana
1,861 mesoscale discussions since 1986. 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 since 1986. Tap one for its archive.
- Mesoscale Discussions
- 1,861
- Busiest year
- 2013119 mesoscale discussions
- Average year
- 78over 24 years on file
Over time
By year
Mesoscale discussions are counted from 2003.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Carter County585
- Powder River County530
- Fallon County526
- Custer County525
- Wibaux County499
- Dawson County488
- Prairie County488
- Richland County471
- Rosebud County467
- Treasure County433
- McCone County431
- Musselshell County429
- Yellowstone County426
- Golden Valley County419
- Garfield County414
- Fergus County403
- Wheatland County401
- Petroleum County400
- Big Horn County399
- Roosevelt County388
- Judith Basin County384
- Sweet Grass County367
- Stillwater County359
- Meagher County356
- Broadwater County329
- Cascade County320
- Sheridan County320
- Valley County318
- Gallatin County311
- Chouteau County303
- Park County301
- Carbon County295
- Phillips County295
- Jefferson County294
- Daniels County271
- Madison County269
- Blaine County261
- Lewis and Clark County254
- Silver Bow County251
- Deer Lodge County226
The latest mesoscale discussions
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 23, 2:48 PM MDT | Mesoscale Discussion | SPC | Wibaux | 117 min |
| Sep 7, 12:58 PM MDT | Mesoscale Discussion | SPC | Dawson, Garfield, McCone, Musselshell, Petroleum, Prairie and 4 more | 2 hr |
| Sep 6, 11:49 PM MDT | Mesoscale Discussion | SPC | Phillips | 86 min |
| Sep 6, 10:02 PM MDT | Mesoscale Discussion | SPC | Blaine, Phillips | 58 min |
| Sep 6, 7:41 PM MDT | Mesoscale Discussion | SPC | Blaine, Judith Basin | 2 hr |
| Sep 6, 4:16 PM MDT | Mesoscale Discussion | SPC | Broadwater, Cascade, Deer Lodge, Golden Valley, Granite, Jefferson and 6 more | 119 min |
| Sep 2, 11:44 PM MDT | Mesoscale Discussion | SPC | Daniels, Dawson, Richland, Roosevelt, Sheridan | 2 hr |
| Sep 2, 2:48 PM MDT | Mesoscale Discussion | SPC | Cascade, Chouteau, Hill, Lewis and Clark, Liberty, Pondera and 2 more | 117 min |
| Sep 2, 11:49 AM MDT | Mesoscale Discussion | SPC | Blaine, Broadwater, Cascade, Chouteau, Deer Lodge, Flathead and 15 more | 2 hr |
| Aug 30, 2:49 PM MDT | Mesoscale Discussion | SPC | Carter, Fallon | 116 min |
| Aug 30, 12:33 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Dawson, Fallon, Powder River, Prairie and 4 more | 2 hr |
| Aug 27, 6:03 PM MDT | Mesoscale Discussion | SPC | Broadwater, Carbon, Cascade, Chouteau, Fergus, Gallatin and 18 more | 57 min |
Nearby
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.