Alert archive / Montana / Winter Storm Warnings / 2011
Winter Storm Warnings in Montana, February 2011
18 winter storm warnings in February 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 warnings reaches back to 2005.
Winter Storm Warnings by county
Each county as a circle sized by its count in February 2011. Tap one for its archive.
- Winter Storm Warnings
- 18
- Busiest day
- February 6, 20114 winter storm warnings
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 |
|---|---|---|---|---|
| Feb 4, 2:51 PM MST | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 24 hr |
| Feb 5, 9:05 AM MST | Winter Storm Warning | TFX | 24 hr | |
| Feb 6, 4:13 AM MST | Winter Storm Warning | MSO | Flathead, Granite, Lake, Missoula, Powell, Ravalli and 1 more | 53 hr |
| Feb 6, 4:31 AM MST | Winter Storm Warning | TFX | 47 hr | |
| Feb 6, 3:08 PM MST | Winter Storm Warning | BYZ | Big Horn, Carbon, Golden Valley, Musselshell, Park, Rosebud and 4 more | 33 hr |
| Feb 6, 3:21 PM MST | Winter Storm Warning | GGW | Petroleum, Phillips | 26 hr |
| Feb 14, 1:53 PM MST | Winter Storm Warning | MSO | Granite, Mineral, Missoula, Ravalli, Sanders | 57 hr |
| Feb 15, 2:24 PM MST | Winter Storm Warning | MSO | Granite, Missoula, Ravalli | 39 hr |
| Feb 16, 7:59 AM MST | Winter Storm Warning | TFX | 20 hr | |
| Feb 17, 5:10 AM MST | Winter Storm Warning | GGW | Daniels, Dawson, McCone, Richland, Roosevelt, Sheridan and 2 more | 14 hr |
| Feb 17, 7:55 AM MST | Winter Storm Warning | TFX | 5 hr | |
| Feb 19, 3:47 AM MST | Winter Storm Warning | BYZ | Big Horn, Carter, Custer, Fallon, Powder River, Rosebud and 1 more | 38 hr |
| Feb 19, 4:14 AM MST | Winter Storm Warning | TFX | 32 hr | |
| Feb 19, 2:30 PM MST | Winter Storm Warning | GGW | Dawson, McCone, Prairie, Wibaux | 27 hr |
| Feb 21, 2:36 PM MST | Winter Storm Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more | 72 hr |
| Feb 22, 2:10 PM MST | Winter Storm Warning | TFX | 49 hr | |
| Feb 26, 1:58 PM MST | Winter Storm Warning | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more | 3 days |
| Feb 26, 7:52 PM MST | Winter Storm Warning | TFX | 69 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Granite County5
- Missoula County5
- Ravalli County5
- Sanders County4
- Flathead County3
- Lake County3
- Mineral County3
- Carbon County2
- Park County2
- Stillwater County2
- Sweet Grass County2
- Powell County2
- Big Horn County2
- Rosebud County2
- Treasure County2
- Dawson County2
- McCone County2
- Wibaux County2
- Lincoln County2
- Golden Valley County1
- Musselshell County1
- Wheatland County1
- Petroleum County1
- Phillips County1
- Daniels County1
- Richland County1
- Roosevelt County1
- Sheridan County1
- Valley County1
- Carter County1
- Custer County1
- Fallon County1
- Powder River County1
- Prairie County1
- Deer Lodge County1
- Silver Bow 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.