Alert archive / Montana / Winter Storm Watches
Winter Storm Watches in Montana, 2011
48 winter storm 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 winter storm watches reaches back to 2005.
Winter Storm Watches by county
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Winter Storm Watches
- 48
- Busiest month
- February11 winter storm watches
- Busiest day
- January 20, 20113 winter storm 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 |
|---|---|---|---|---|
| Jan 6, 3:05 PM MST | Winter Storm Watch | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 5 more | 24 hr |
| Jan 6, 3:50 PM MST | Winter Storm Watch | BYZ | Carter, Custer, Fallon, Powder River, Rosebud, Treasure | 23 hr |
| Jan 10, 2:07 PM MST | Winter Storm Watch | MSO | Flathead, Lake, Lincoln, Mineral, Missoula, Sanders | 14 hr |
| Jan 11, 4:00 AM MST | Winter Storm Watch | TFX | 7 hr | |
| Jan 20, 2:01 PM MST | Winter Storm Watch | MSO | Granite, Missoula, Ravalli | 13 hr |
| Jan 20, 3:07 PM MST | Winter Storm Watch | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 13 hr |
| Jan 20, 3:45 PM MST | Winter Storm Watch | BYZ | Carter, Custer, Fallon, Powder River, Rosebud | 24 hr |
| Jan 28, 3:21 AM MST | Winter Storm Watch | MSO | Flathead, Granite, Lake, Missoula, Powell, Sanders | 23 hr |
| Feb 5, 3:04 PM MST | Winter Storm Watch | MSO | Flathead, Granite, Lake, Missoula, Powell | 13 hr |
| Feb 5, 3:10 PM MST | Winter Storm Watch | BYZ | Big Horn, Carbon, Golden Valley, Musselshell, Park, Rosebud and 4 more | 24 hr |
| Feb 5, 8:42 PM MST | Winter Storm Watch | GGW | Garfield, Petroleum, Phillips | 19 hr |
| Feb 5, 8:54 PM MST | Winter Storm Watch | TFX | 8 hr | |
| Feb 15, 2:22 PM MST | Winter Storm Watch | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 5 more | 25 hr |
| Feb 15, 2:32 PM MST | Winter Storm Watch | TFX | 24 hr | |
| Feb 18, 2:13 PM MST | Winter Storm Watch | TFX | 14 hr | |
| Feb 18, 2:29 PM MST | Winter Storm Watch | GGW | Dawson, Garfield, McCone, Petroleum, Prairie, Richland and 1 more | 24 hr |
| Feb 18, 3:24 PM MST | Winter Storm Watch | BYZ | Carter, Custer, Fallon, Powder River | 12 hr |
| Feb 25, 1:22 PM MST | Winter Storm Watch | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more | 25 hr |
| Feb 26, 4:39 AM MST | Winter Storm Watch | TFX | 15 hr | |
| Mar 20, 3:44 AM MDT | Winter Storm Watch | GGW | Daniels, Phillips, Richland, Roosevelt, Sheridan, Valley | 36 hr |
| Mar 20, 3:07 PM MDT | Winter Storm Watch | TFX | 14 hr | |
| Mar 29, 3:23 AM MDT | Winter Storm Watch | BYZ | Carbon, Park, Stillwater, Sweet Grass | 12 hr |
| Apr 1, 3:35 AM MDT | Winter Storm Watch | TFX | 24 hr | |
| Apr 1, 3:50 AM MDT | Winter Storm Watch | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 24 hr |
| Apr 6, 3:40 PM MDT | Winter Storm Watch | BYZ | Carbon, Park, Stillwater, Sweet Grass | 12 hr |
| Apr 17, 4:34 AM MDT | Winter Storm Watch | BYZ | Big Horn, Carbon, Custer, Fallon, Golden Valley, Musselshell and 5 more | 34 hr |
| Apr 17, 3:09 PM MDT | Winter Storm Watch | GGW | Dawson, Garfield, McCone, Petroleum, Prairie, Richland and 1 more | 24 hr |
| Apr 20, 3:25 PM MDT | Winter Storm Watch | BYZ | Carbon, Park, Stillwater, Sweet Grass | 12 hr |
| Apr 28, 3:41 AM MDT | Winter Storm Watch | TFX | 25 hr | |
| May 7, 2:51 PM MDT | Winter Storm Watch | TFX | 13 hr | |
| May 7, 3:31 PM MDT | Winter Storm Watch | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 12 hr |
| May 7, 9:01 PM MDT | Winter Storm Watch | MSO | Deer Lodge, Granite, Powell, Silver Bow | 17 hr |
| May 18, 3:18 AM MDT | Winter Storm Watch | BYZ | Carbon, Park, Stillwater, Sweet Grass | 24 hr |
| May 28, 3:52 AM MDT | Winter Storm Watch | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 24 hr |
| May 28, 2:49 PM MDT | Winter Storm Watch | TFX | 14 hr | |
| Nov 3, 2:37 PM MDT | Winter Storm Watch | GGW | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 2 more | 37 hr |
| Nov 9, 2:11 PM MST | Winter Storm Watch | MSO | Flathead, Granite, Lake, Mineral, Missoula, Powell and 2 more | 22 hr |
| Nov 15, 2:10 PM MST | Winter Storm Watch | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more | 14 hr |
| Nov 16, 4:56 AM MST | Winter Storm Watch | TFX | 9 hr | |
| Nov 16, 1:46 PM MST | Winter Storm Watch | TFX | 21 hr | |
| Nov 16, 3:05 PM MST | Winter Storm Watch | BYZ | Carbon, Carter, Park, Powder River, Rosebud, Stillwater and 1 more | 38 hr |
| Nov 21, 3:16 AM MST | Winter Storm Watch | TFX | 24 hr | |
| Nov 28, 2:44 PM MST | Winter Storm Watch | MSO | Flathead, Granite, Lake, Mineral, Missoula, Powell and 2 more | 14 hr |
| Nov 28, 2:51 PM MST | Winter Storm Watch | TFX | 13 hr | |
| Nov 29, 3:50 AM MST | Winter Storm Watch | BYZ | Carbon, Park, Rosebud, Stillwater, Sweet Grass | 24 hr |
| Dec 3, 4:20 AM MST | Winter Storm Watch | TFX | 6 hr | |
| Dec 19, 2:14 PM MST | Winter Storm Watch | BYZ | Carbon, Park, Stillwater, Sweet Grass | 26 hr |
| Dec 20, 3:49 AM MST | Winter Storm Watch | TFX | 11 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Carbon County11
- Park County11
- Stillwater County11
- Sweet Grass County11
- Richland County8
- Missoula County8
- Granite County8
- Dawson County7
- Garfield County7
- McCone County7
- Petroleum County7
- Wibaux County7
- Flathead County7
- Lake County7
- Daniels County6
- Phillips County6
- Prairie County6
- Roosevelt County6
- Rosebud County6
- Sanders County6
- Valley County5
- Mineral County5
- Ravalli County5
- Sheridan County5
- Powell County5
- Carter County4
- Custer County4
- Fallon County4
- Powder River County4
- Treasure County3
- Lincoln County3
- Wheatland County3
- Big Horn County2
- Golden Valley County2
- Musselshell County2
- Deer Lodge County1
- Silver Bow 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.