Alert archive / Montana / Mesoscale Discussions / 2011
Mesoscale Discussions in Montana, August 2011
14 mesoscale discussions in August 2011. 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 August 2011. Tap one for its archive.
- Mesoscale Discussions
- 14
- Busiest day
- August 5, 20112 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 |
|---|---|---|---|---|
| Aug 4, 2:24 PM MDT | Mesoscale Discussion | SPC | Custer, Dawson, Fallon, Garfield, McCone, Prairie and 4 more | 96 min |
| Aug 5, 12:05 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carter, Custer, Fallon, Powder River, Prairie and 2 more | 2 hr |
| Aug 5, 4:25 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carter, Custer, Fallon, Powder River, Prairie and 2 more | 2 hr |
| Aug 5, 6:32 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Fallon, Powder River, Rosebud, Treasure | 88 min |
| Aug 11, 3:40 PM MDT | Mesoscale Discussion | SPC | Daniels, Dawson, Garfield, McCone, Phillips, Prairie and 3 more | 95 min |
| Aug 14, 5:56 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Daniels, Dawson, Fallon, McCone and 6 more | 94 min |
| Aug 15, 1:38 PM MDT | Mesoscale Discussion | SPC | Beaverhead, Broadwater, Carbon, Deer Lodge, Gallatin, Jefferson and 7 more | 2 hr |
| Aug 15, 2:47 PM MDT | Mesoscale Discussion | SPC | Fallon | 58 min |
| Aug 15, 8:37 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Dawson, Fallon, McCone, Powder River and 3 more | 83 min |
| Aug 26, 3:54 PM MDT | Mesoscale Discussion | SPC | Broadwater, Carbon, Cascade, Chouteau, Deer Lodge, Fergus and 20 more | 96 min |
| Aug 27, 6:30 PM MDT | Mesoscale Discussion | SPC | Daniels, Richland, Roosevelt, Sheridan, Valley | 90 min |
| Aug 29, 1:52 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carbon, Fergus, Golden Valley, Musselshell, Petroleum and 3 more | 83 min |
| Aug 29, 5:09 PM MDT | Mesoscale Discussion | SPC | Custer, Powder River, Rosebud | 96 min |
| Aug 31, 2:20 PM MDT | Mesoscale Discussion | SPC | Carbon, Garfield, Golden Valley, McCone, Musselshell, Park and 7 more | 115 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Custer County7
- Fallon County7
- Rosebud County7
- Prairie County6
- Powder River County6
- McCone County5
- Richland County5
- Wibaux County5
- Carter County5
- Dawson County4
- Treasure County4
- Carbon County4
- Garfield County3
- Big Horn County3
- Daniels County3
- Roosevelt County3
- Park County3
- Stillwater County3
- Sweet Grass County3
- Wheatland County3
- Golden Valley County3
- Musselshell County3
- Yellowstone County3
- Valley County2
- Sheridan County2
- Broadwater County2
- Deer Lodge County2
- Gallatin County2
- Jefferson County2
- Madison County2
- Meagher County2
- Silver Bow County2
- Fergus County2
- Petroleum County2
- Phillips County1
- Beaverhead County1
- Cascade County1
- Chouteau County1
- Granite County1
- Judith Basin County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.