Alert archive / Montana / Severe Thunderstorm Watches
Severe Thunderstorm Watches in Montana, 2011
24 severe thunderstorm watches in 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 severe thunderstorm watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Severe Thunderstorm Watches
- 24
- Busiest month
- July12 severe thunderstorm watches
- Busiest day
- July 15, 20112 severe thunderstorm watches
Over time
By month
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 |
|---|---|---|---|---|
| Jun 2, 2:09 PM MDT | Severe Thunderstorm Watch | SPC | Custer, Daniels, Dawson, Fallon, Garfield, McCone and 8 more | 7 hr |
| Jun 6, 4:13 PM MDT | Severe Thunderstorm Watch | SPC | Beaverhead, Broadwater, Cascade, Chouteau, Deer Lodge, Fergus and 19 more | 6 hr |
| Jun 23, 12:55 PM MDT | Severe Thunderstorm Watch | SPC | Blaine, Broadwater, Cascade, Chouteau, Deer Lodge, Fergus and 16 more | 7 hr |
| Jun 24, 1:52 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Carter, Custer, Fallon, Powder River, Rosebud and 1 more | 7 hr |
| Jun 25, 7:14 PM MDT | Severe Thunderstorm Watch | SPC | Beaverhead | 6 hr |
| Jun 29, 3:46 PM MDT | Severe Thunderstorm Watch | SPC | Blaine, Cascade, Chouteau, Fergus, Garfield, Golden Valley and 9 more | 5 hr |
| Jul 3, 4:08 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Blaine, Carbon, Carter, Chouteau, Custer and 23 more | 8 hr |
| Jul 3, 8:41 PM MDT | Severe Thunderstorm Watch | SPC | Daniels, Richland, Roosevelt, Sheridan, Wibaux | 3 hr |
| Jul 12, 1:38 PM MDT | Severe Thunderstorm Watch | SPC | Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Deer Lodge and 20 more | 7 hr |
| Jul 13, 1:45 PM MDT | Severe Thunderstorm Watch | SPC | Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Deer Lodge and 19 more | 7 hr |
| Jul 14, 1:56 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Blaine, Carbon, Carter, Custer, Daniels and 23 more | 9 hr |
| Jul 14, 10:01 PM MDT | Severe Thunderstorm Watch | SPC | Carter, Custer, Fallon, Powder River | 6 hr |
| Jul 15, 3:26 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Carbon, Custer, Golden Valley, Musselshell, Powder River and 4 more | 6 hr |
| Jul 25, 1:30 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Carter, Custer, Fallon, Powder River, Rosebud and 1 more | 8 hr |
| Jul 25, 5:47 PM MDT | Severe Thunderstorm Watch | SPC | Blaine, Chouteau, Dawson, Fergus, Garfield, Judith Basin and 8 more | 7 hr |
| Jul 26, 2:43 PM MDT | Severe Thunderstorm Watch | SPC | Daniels, Dawson, Garfield, McCone, Petroleum, Prairie and 5 more | 5 hr |
| Jul 29, 1:54 PM MDT | Severe Thunderstorm Watch | SPC | Carter, Custer, Fallon, Powder River | 7 hr |
| Jul 29, 5:02 PM MDT | Severe Thunderstorm Watch | SPC | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 2 more | 6 hr |
| Aug 4, 4:49 PM MDT | Severe Thunderstorm Watch | SPC | Dawson, Fallon, Prairie, Richland, Wibaux | 5 hr |
| Aug 5, 2:55 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Carter, Custer, Fallon, Powder River, Rosebud and 1 more | 5 hr |
| Aug 15, 4:23 PM MDT | Severe Thunderstorm Watch | SPC | Carter, Custer, Dawson, Fallon, McCone, Powder River and 3 more | 9 hr |
| Aug 26, 4:26 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Broadwater, Carbon, Cascade, Chouteau, Fergus and 20 more | 5 hr |
| Aug 29, 2:34 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Carter, Custer, Garfield, Musselshell, Petroleum and 4 more | 6 hr |
| Aug 31, 7:53 PM MDT | Severe Thunderstorm Watch | SPC | Richland, Roosevelt, Sheridan, Wibaux | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Custer County11
- Fallon County10
- Powder River County10
- Richland County9
- Wibaux County9
- Fergus County9
- Carter County9
- Dawson County8
- Prairie County8
- Rosebud County8
- Chouteau County8
- Judith Basin County8
- Big Horn County8
- Treasure County8
- Garfield County7
- McCone County7
- Roosevelt County7
- Hill County7
- Meagher County7
- Blaine County7
- Sheridan County6
- Valley County6
- Cascade County6
- Liberty County6
- Musselshell County6
- Petroleum County6
- Daniels County5
- Phillips County5
- Broadwater County5
- Jefferson County5
- Lewis and Clark County5
- Pondera County5
- Teton County5
- Toole County5
- Golden Valley County5
- Wheatland County5
- Yellowstone County5
- Beaverhead County4
- Deer Lodge County4
- Gallatin County4
The busiest days
Days with the most alerts issued, by UTC date.
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.