Alert archive / Wyoming / Winter Storm Warnings / 2021
Winter Storm Warnings in Wyoming, October 2021
7 winter storm warnings in October 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 winter storm warnings reaches back to 2005.
Winter Storm Warnings by county
Each county as a circle sized by its count in October 2021. Tap one for its archive.
- Winter Storm Warnings
- 7
- Busiest day
- October 18, 20213 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 |
|---|---|---|---|---|
| Oct 10, 2:47 PM MDT | Winter Storm Warning | BYZ | Sheridan | 3 days |
| Oct 10, 4:03 PM MDT | Winter Storm Warning | RIW | Big Horn, Fremont, Hot Springs, Johnson, Natrona, Park and 4 more | 68 hr |
| Oct 11, 3:24 AM MDT | Winter Storm Warning | CYS | Albany, Carbon, Converse, Laramie, Niobrara, Platte | 57 hr |
| Oct 11, 3:07 PM MDT | Winter Storm Warning | UNR | Campbell, Crook, Weston | 51 hr |
| Oct 18, 3:53 AM MDT | Winter Storm Warning | RIW | Big Horn, Fremont, Johnson, Natrona, Sublette, Washakie | 43 hr |
| Oct 18, 4:01 AM MDT | Winter Storm Warning | CYS | Albany, Converse, Platte | 50 hr |
| Oct 18, 1:40 PM MDT | Winter Storm Warning | UNR | Campbell | 25 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Big Horn County2
- Fremont County2
- Johnson County2
- Natrona County2
- Sublette County2
- Washakie County2
- Albany County2
- Converse County2
- Platte County2
- Campbell County2
- Sheridan County1
- Hot Springs County1
- Park County1
- Sweetwater County1
- Teton County1
- Carbon County1
- Laramie County1
- Niobrara County1
- Crook County1
- Weston 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.