Alert archive / Montana / Wind Chill Advisories / 2021
Wind Chill Advisories in Montana, December 2021
17 wind chill advisories in December 2021. 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 wind chill advisories reaches back to 2005.
Wind Chill Advisories by county
Each county as a circle sized by its count in December 2021. Tap one for its archive.
- Wind Chill Advisories
- 17
- Busiest day
- December 15, 20213 wind chill advisories
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 |
|---|---|---|---|---|
| Dec 5, 3:06 AM MST | Wind Chill Advisory | GGW | Daniels, Phillips, Richland, Roosevelt, Sheridan, Valley | 35 hr |
| Dec 15, 12:41 PM MST | Wind Chill Advisory | GGW | Daniels, Sheridan, Valley | 20 hr |
| Dec 15, 1:21 PM MST | Wind Chill Advisory | TFX | 62 hr | |
| Dec 15, 2:11 PM MST | Wind Chill Advisory | BYZ | Custer, Fallon, Golden Valley, Musselshell, Rosebud, Wheatland | 55 hr |
| Dec 16, 1:31 PM MST | Wind Chill Advisory | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 45 hr |
| Dec 17, 3:09 AM MST | Wind Chill Advisory | GGW | Garfield | 32 hr |
| Dec 19, 9:52 AM MST | Wind Chill Advisory | GGW | Daniels, Phillips, Sheridan, Valley | 23 hr |
| Dec 24, 1:27 PM MST | Wind Chill Advisory | GGW | Daniels, Phillips, Roosevelt, Sheridan, Valley | 20 hr |
| Dec 25, 6:59 AM MST | Wind Chill Advisory | TFX | 5 days | |
| Dec 25, 11:00 AM MST | Wind Chill Advisory | MSO | Flathead, Lake | 7 hr |
| Dec 25, 1:02 PM MST | Wind Chill Advisory | GGW | Daniels, Garfield, McCone, Phillips, Richland, Roosevelt and 2 more | 19 hr |
| Dec 26, 2:13 PM MST | Wind Chill Advisory | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 3 more | 7 days |
| Dec 26, 6:39 PM MST | Wind Chill Advisory | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 8 more | 41 hr |
| Dec 28, 1:40 PM MST | Wind Chill Advisory | MSO | Flathead, Lake | 21 hr |
| Dec 28, 2:27 PM MST | Wind Chill Advisory | BYZ | Carter, Custer, Fallon, Golden Valley, Musselshell, Powder River and 2 more | 23 hr |
| Dec 30, 12:30 PM MST | Wind Chill Advisory | BYZ | Carter, Custer, Fallon, Powder River, Rosebud | 22 hr |
| Dec 30, 2:01 PM MST | Wind Chill Advisory | TFX | 45 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Daniels County6
- Phillips County6
- Sheridan County6
- Valley County6
- Roosevelt County5
- Richland County4
- Custer County4
- Fallon County4
- Rosebud County4
- Garfield County4
- Golden Valley County3
- Musselshell County3
- Wheatland County3
- McCone County3
- Carter County3
- Powder River County3
- Dawson County2
- Petroleum County2
- Prairie County2
- Wibaux County2
- Flathead County2
- Lake County2
- Big Horn County1
- Carbon County1
- Stillwater County1
- Sweet Grass County1
- Treasure County1
- Yellowstone County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.