Alert archive / Montana / Powell County / 2021
Weather alerts in Powell County, Montana, December 2021
24 weather alerts in December 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 24
- Warnings
- 2
- Watches
- 2
- Advisories
- 17
- Busiest day
- December 18, 20213 alerts
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 | Lasted |
|---|---|---|---|
| Dec 1, 7:41 AM MST | Wind Advisory | MSO | 9 hr |
| Dec 3, 1:25 PM MST | Winter Weather Advisory | MSO | 46 hr |
| Dec 3, 1:29 PM MST | Wind Advisory | MSO | 30 hr |
| Dec 5, 3:03 PM MST | Winter Weather Advisory | MSO | 42 hr |
| Dec 9, 3:12 AM MST | Winter Weather Advisory | MSO | 30 hr |
| Dec 10, 6:26 AM MST | Special Weather Statement | MSO | 49 min |
| Dec 10, 3:01 PM MST | Winter Weather Advisory | MSO | 65 hr |
| Dec 13, 12:30 AM MST | Winter Weather Advisory | MSO | 8 hr |
| Dec 13, 1:51 PM MST | Winter Weather Advisory | MSO | 32 hr |
| Dec 14, 7:40 AM MST | Winter Storm Warning | MSO | 14 hr |
| Dec 14, 11:38 AM MST | Winter Weather Advisory | MSO | 9 hr |
| Dec 15, 2:40 PM MST | Winter Weather Advisory | MSO | 44 hr |
| Dec 17, 1:20 PM MST | Winter Storm Warning | MSO | 64 hr |
| Dec 18, 7:44 AM MST | Winter Weather Advisory | MSO | 21 hr |
| Dec 18, 2:38 PM MST | Winter Storm Watch | MSO | 5 hr |
| Dec 18, 2:38 PM MST | Winter Weather Advisory | MSO | 59 hr |
| Dec 22, 1:28 PM MST | Winter Weather Advisory | MSO | 22 hr |
| Dec 23, 8:46 AM MST | Special Weather Statement | MSO | 44 min |
| Dec 23, 11:53 AM MST | Winter Weather Advisory | MSO | 47 hr |
| Dec 23, 4:12 PM MST | Special Weather Statement | MSO | 93 min |
| Dec 24, 12:32 PM MST | Winter Storm Watch | MSO | 24 hr |
| Dec 25, 12:43 PM MST | Winter Weather Advisory | MSO | 28 hr |
| Dec 28, 1:40 PM MST | Winter Weather Advisory | MSO | 21 hr |
| Dec 29, 1:25 PM MST | Winter Weather Advisory | MSO | 46 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Special Weather Statement | 3 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 15 |
| Wind and dust | |
| Wind Advisory | 2 |
Nearby
Alerts in force nowTornadoes on recordForecastThe 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.