Alert archive / Montana / Mesoscale Discussions / 2021
Mesoscale Discussions in Montana, July 2021
16 mesoscale discussions in July 2021. 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 July 2021. Tap one for its archive.
- Mesoscale Discussions
- 16
- Busiest day
- July 7, 20214 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, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 6:11 PM MDT | Mesoscale Discussion | SPC | Carter, Powder River | 2 hr |
| Jul 5, 10:49 PM MDT | Mesoscale Discussion | SPC | Liberty, Toole | 116 min |
| Jul 6, 2:37 PM MDT | Mesoscale Discussion | SPC | Big Horn, Fergus, Golden Valley, Judith Basin, Musselshell, Petroleum and 6 more | 83 min |
| Jul 6, 6:40 PM MDT | Mesoscale Discussion | SPC | Blaine, Fergus, Garfield, Hill, Musselshell, Petroleum and 4 more | 95 min |
| Jul 6, 10:27 PM MDT | Mesoscale Discussion | SPC | Custer, Garfield, Phillips, Powder River, Rosebud | 93 min |
| Jul 7, 2:03 PM MDT | Mesoscale Discussion | SPC | Broadwater, Cascade, Custer, Fergus, Garfield, Golden Valley and 13 more | 117 min |
| Jul 7, 5:48 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carbon, Custer, Fergus, Garfield, Golden Valley and 8 more | 117 min |
| Jul 8, 1:15 PM MDT | Mesoscale Discussion | SPC | Daniels, Dawson, McCone, Phillips, Prairie, Richland and 2 more | 60 min |
| Jul 8, 2:34 PM MDT | Mesoscale Discussion | SPC | Daniels, Dawson, Fallon, McCone, Richland, Roosevelt and 3 more | 86 min |
| Jul 9, 2:20 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carbon, Golden Valley, Stillwater, Sweet Grass, Yellowstone | 85 min |
| Jul 11, 2:53 PM MDT | Mesoscale Discussion | SPC | Blaine, Glacier, Hill, Liberty, Toole | 2 hr |
| Jul 13, 2:21 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carbon, Powder River, Yellowstone | 84 min |
| Jul 21, 2:40 PM MDT | Mesoscale Discussion | SPC | Deer Lodge, Flathead, Glacier, Granite, Jefferson, Lake and 8 more | 95 min |
| Jul 22, 1:50 PM MDT | Mesoscale Discussion | SPC | Broadwater, Fergus, Garfield, Golden Valley, Judith Basin, Meagher and 5 more | 2 hr |
| Jul 22, 2:24 PM MDT | Mesoscale Discussion | SPC | Carter, Fallon, Wibaux | 2 hr |
| Jul 22, 8:04 PM MDT | Mesoscale Discussion | SPC | Daniels, Roosevelt, Sheridan | 116 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Yellowstone County6
- Fergus County5
- Golden Valley County5
- Musselshell County5
- Petroleum County5
- Rosebud County5
- Garfield County5
- Powder River County4
- Big Horn County4
- Stillwater County4
- Treasure County4
- Wheatland County4
- Phillips County4
- Sweet Grass County4
- Judith Basin County3
- Custer County3
- McCone County3
- Carbon County3
- Daniels County3
- Roosevelt County3
- Carter County2
- Liberty County2
- Toole County2
- Blaine County2
- Hill County2
- Broadwater County2
- Meagher County2
- Prairie County2
- Dawson County2
- Richland County2
- Valley County2
- Fallon County2
- Sheridan County2
- Wibaux County2
- Glacier County2
- Cascade County1
- Park County1
- Deer Lodge County1
- Flathead County1
- Granite County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.