Alert archive / Montana / Winter Storm Warnings
Winter Storm Warnings in Montana, 2010
60 winter storm warnings in 2010. 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 2010. Tap one for its archive.
- Winter Storm Warnings
- 60
- Busiest month
- November15 winter storm warnings
- Busiest day
- January 4, 20104 winter storm warnings
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 1, 5:14 AM MST | Winter Storm Warning | MSO | Flathead, Lake | 30 hr |
| Jan 4, 3:33 AM MST | Winter Storm Warning | BYZ | Big Horn, Carbon, Golden Valley, Musselshell, Park, Rosebud and 4 more | 53 hr |
| Jan 4, 3:33 AM MST | Winter Storm Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 59 hr |
| Jan 4, 3:37 AM MST | Winter Storm Warning | MSO | Flathead, Granite, Lake, Missoula, Powell, Sanders | 47 hr |
| Jan 4, 5:47 AM MST | Winter Storm Warning | TFX | 46 hr | |
| Jan 21, 3:09 PM MST | Winter Storm Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 8 more | 4 days |
| Jan 21, 8:54 PM MST | Winter Storm Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 60 hr |
| Jan 22, 4:37 AM MST | Winter Storm Warning | TFX | 60 hr | |
| Jan 22, 7:46 AM MST | Winter Storm Warning | MSO | Deer Lodge, Granite, Powell, Silver Bow | 37 hr |
| Feb 17, 9:38 PM MST | Winter Storm Warning | BYZ | Carbon, Stillwater, Sweet Grass | 12 hr |
| Feb 19, 9:50 AM MST | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 18 hr |
| Mar 29, 5:12 AM MDT | Winter Storm Warning | TFX | 40 hr | |
| Mar 29, 11:55 PM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 28 hr |
| Mar 31, 4:05 PM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 29 hr |
| Apr 5, 10:00 AM MDT | Winter Storm Warning | TFX | 29 hr | |
| Apr 12, 2:50 PM MDT | Winter Storm Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 3 more | 43 hr |
| Apr 12, 3:07 PM MDT | Winter Storm Warning | TFX | 45 hr | |
| Apr 12, 3:42 PM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 24 hr |
| Apr 28, 3:32 AM MDT | Winter Storm Warning | MSO | Flathead, Granite, Lake, Missoula, Powell | 50 hr |
| Apr 28, 4:21 AM MDT | Winter Storm Warning | TFX | 58 hr | |
| Apr 28, 8:38 PM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 53 hr |
| Apr 29, 9:47 AM MDT | Winter Storm Warning | GGW | Phillips | 42 hr |
| May 4, 4:01 AM MDT | Winter Storm Warning | MSO | Flathead, Lake | 20 hr |
| May 4, 8:23 PM MDT | Winter Storm Warning | TFX | 14 hr | |
| May 5, 3:36 AM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 42 hr |
| May 5, 4:15 AM MDT | Winter Storm Warning | TFX | 31 hr | |
| May 5, 4:21 AM MDT | Winter Storm Warning | MSO | Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow | 28 hr |
| May 6, 4:22 AM MDT | Winter Storm Warning | GGW | Dawson, McCone, Prairie, Richland, Wibaux | 10 hr |
| May 11, 2:59 PM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 33 hr |
| May 22, 9:00 PM MDT | Winter Storm Warning | MSO | Deer Lodge, Granite, Powell, Silver Bow | 9 hr |
| May 22, 10:12 PM MDT | Winter Storm Warning | TFX | 8 hr | |
| May 23, 2:13 PM MDT | Winter Storm Warning | MSO | Deer Lodge, Granite, Powell, Silver Bow | 26 hr |
| May 23, 2:53 PM MDT | Winter Storm Warning | TFX | 30 hr | |
| Oct 24, 4:56 AM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 40 hr |
| Oct 25, 10:36 AM MDT | Winter Storm Warning | TFX | 18 hr | |
| Oct 26, 2:07 PM MDT | Winter Storm Warning | TFX | 16 hr | |
| Nov 7, 2:25 PM MST | Winter Storm Warning | TFX | 38 hr | |
| Nov 7, 3:47 PM MST | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 35 hr |
| Nov 9, 3:19 PM MST | Winter Storm Warning | GGW | Wibaux | 12 hr |
| Nov 15, 12:17 AM MST | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 21 hr |
| Nov 15, 3:49 AM MST | Winter Storm Warning | TFX | 42 hr | |
| Nov 15, 4:42 AM MST | Winter Storm Warning | MSO | Flathead, Granite, Lake, Missoula, Ravalli | 33 hr |
| Nov 15, 3:20 PM MST | Winter Storm Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 30 hr |
| Nov 16, 3:56 AM MST | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 12 hr |
| Nov 18, 6:00 AM MST | Winter Storm Warning | TFX | 65 hr | |
| Nov 18, 3:52 PM MST | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 60 hr |
| Nov 21, 3:05 AM MST | Winter Storm Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more | 58 hr |
| Nov 21, 5:08 AM MST | Winter Storm Warning | TFX | 67 hr | |
| Nov 22, 11:02 AM MST | Winter Storm Warning | BYZ | Carbon, Golden Valley, Park, Stillwater, Sweet Grass, Wheatland | 41 hr |
| Nov 23, 4:13 AM MST | Winter Storm Warning | GGW | Daniels, Garfield, Petroleum, Phillips, Roosevelt, Sheridan and 1 more | 35 hr |
| Nov 28, 5:10 PM MST | Winter Storm Warning | BYZ | Big Horn, Custer, Powder River, Rosebud, Treasure | 12 hr |
| Dec 2, 3:58 AM MST | Winter Storm Warning | MSO | Granite, Mineral, Missoula, Ravalli, Sanders | 25 hr |
| Dec 8, 2:40 PM MST | Winter Storm Warning | MSO | Flathead, Granite, Lake, Mineral, Missoula, Powell and 2 more | 56 hr |
| Dec 9, 10:15 AM MST | Winter Storm Warning | TFX | 35 hr | |
| Dec 19, 2:42 PM MST | Winter Storm Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 27 hr |
| Dec 19, 2:49 PM MST | Winter Storm Warning | TFX | 20 hr | |
| Dec 27, 5:17 PM MST | Winter Storm Warning | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 3 more | 60 hr |
| Dec 28, 3:00 AM MST | Winter Storm Warning | TFX | 55 hr | |
| Dec 28, 2:53 PM MST | Winter Storm Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 24 hr |
| Dec 29, 3:49 AM MST | Winter Storm Warning | BYZ | Big Horn, Carbon, Carter, Golden Valley, Musselshell, Park and 4 more | 59 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Carbon County17
- Stillwater County17
- Sweet Grass County17
- Park County16
- Granite County12
- Powell County10
- Flathead County9
- Lake County9
- Missoula County9
- Wheatland County8
- Phillips County7
- Wibaux County7
- Daniels County6
- Dawson County6
- Garfield County6
- McCone County6
- Petroleum County6
- Prairie County6
- Richland County6
- Roosevelt County6
- Sheridan County6
- Valley County6
- Sanders County6
- Deer Lodge County6
- Silver Bow County6
- Ravalli County6
- Mineral County5
- Big Horn County4
- Golden Valley County4
- Musselshell County3
- Rosebud County3
- Treasure County3
- Powder River County3
- Carter County2
- Custer County2
- Fallon County1
- Lincoln County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.