Alert archive / Montana / High Wind Warnings / 2020
High Wind Warnings in Montana, December 2020
10 high wind warnings in December 2020. 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 high wind warnings reaches back to 2005.
High Wind Warnings by county
Each county as a circle sized by its count in December 2020. Tap one for its archive.
- High Wind Warnings
- 10
- Busiest day
- December 22, 20203 high wind 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 |
|---|---|---|---|---|
| Dec 6, 2:16 PM MST | High Wind Warning | TFX | 51 hr | |
| Dec 7, 10:00 PM MST | High Wind Warning | GGW | Phillips | 20 hr |
| Dec 14, 12:21 PM MST | High Wind Warning | BYZ | Sweet Grass | 42 hr |
| Dec 17, 2:47 AM MST | High Wind Warning | TFX | 4 days | |
| Dec 18, 2:42 AM MST | High Wind Warning | BYZ | Carter, Custer, Fallon, Golden Valley, Park, Powder River and 4 more | 65 hr |
| Dec 19, 8:41 AM MST | High Wind Warning | GGW | Garfield, Petroleum, Phillips | 7 hr |
| Dec 20, 2:49 AM MST | High Wind Warning | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 4 more | 15 hr |
| Dec 22, 2:18 AM MST | High Wind Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 6 more | 24 hr |
| Dec 22, 3:05 AM MST | High Wind Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 20 hr |
| Dec 22, 3:48 AM MST | High Wind Warning | TFX | 16 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Phillips County4
- Garfield County3
- Petroleum County3
- Sweet Grass County2
- Carter County2
- Custer County2
- Fallon County2
- Golden Valley County2
- Powder River County2
- Rosebud County2
- Wheatland County2
- Dawson County2
- McCone County2
- Prairie County2
- Richland County2
- Roosevelt County2
- Valley County2
- Wibaux County2
- Park County1
- Stillwater County1
- Big Horn County1
- Carbon County1
- Musselshell County1
- Treasure County1
- Yellowstone County1
- Daniels County1
- Sheridan County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.