Alert archive / Montana / Tornado Watches
Tornado Watches in Montana, 2011
6 tornado 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 tornado watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Tornado Watches
- 6
- Busiest month
- June4 tornado watches
- Busiest day
- June 6, 20111 tornado 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 6, 5:46 PM MDT | Tornado Watch | SPC | Big Horn, Carbon, Fergus, Garfield, Golden Valley, Judith Basin and 9 more | 7 hr |
| Jun 11, 3:59 PM MDT | Tornado Watch | SPC | Carter, Custer, Fallon, Powder River | 7 hr |
| Jun 12, 1:49 PM MDT | Tornado Watch | SPC | Carter, Custer, Fallon, Powder River | 6 hr |
| Jun 29, 7:03 PM MDT | Tornado Watch | SPC | Daniels, Roosevelt, Sheridan, Valley | 4 hr |
| Jul 2, 2:13 PM MDT | Tornado Watch | SPC | Big Horn, Carter, Custer, Fallon, Powder River, Rosebud and 1 more | 8 hr |
| Jul 22, 1:25 PM MDT | Tornado Watch | SPC | Carter, Custer, Daniels, Dawson, Fallon, Garfield and 11 more | 8 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Carter County4
- Custer County4
- Fallon County4
- Powder River County4
- Rosebud County3
- Treasure County3
- Big Horn County2
- Garfield County2
- Daniels County2
- Roosevelt County2
- Sheridan County2
- Valley County2
- Carbon County1
- Fergus County1
- Golden Valley County1
- Judith Basin County1
- Musselshell County1
- Park County1
- Petroleum County1
- Stillwater County1
- Sweet Grass County1
- Wheatland County1
- Yellowstone County1
- Dawson County1
- McCone County1
- Phillips County1
- Prairie County1
- Richland County1
- Wibaux County1
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.