Tornado Warnings in Wyoming
697 tornado warnings since 1986. 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 tornado warnings reaches back to 1986.
Tornado Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Tornado Warnings
- 697
- Busiest year
- 201854 tornado warnings
- Average year
- 17over 41 years on file
Over time
By year
Before October 2007 these were issued for whole counties, and a storm crossing three counties was often three warnings; since then one polygon follows the storm. The count changed with the practice, not only with the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Laramie County156
- Goshen County120
- Platte County88
- Campbell County54
- Crook County54
- Albany County48
- Natrona County47
- Converse County44
- Niobrara County43
- Weston County38
- Johnson County37
- Washakie County30
- Big Horn County28
- Hot Springs County22
- Fremont County18
- Sweetwater County13
- Sheridan County9
- Park County8
- Carbon County7
- Lincoln County3
- Uinta County2
- Sublette County2
- Teton County1
The latest tornado warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 12:47 PM MDT | Tornado Warning | UNR | Campbell, Weston | 28 min |
| Jul 8, 5:54 PM MDT | Tornado Warning | CYS | Albany | 16 min |
| Jun 25, 5:22 PM MDT | Tornado Warning | CYS | Laramie | 23 min |
| Jun 25, 1:49 PM MDT | Tornado Warning | RIW | Fremont | 41 min |
| Jun 22, 3:19 PM MDT | Tornado Warning | UNR | Campbell | 41 min |
| Jun 22, 3:09 PM MDT | Tornado Warning | CYS | Goshen, Niobrara, Platte | 36 min |
| Jun 22, 2:57 PM MDT | Tornado Warning | UNR | Campbell | 28 min |
| Jun 8, 7:17 PM MDT | Tornado Warning | CYS | Goshen, Laramie | 15 min |
| Jun 8, 5:08 PM MDT | Tornado Warning | CYS | Laramie, Platte | 19 min |
| Jun 2, 3:47 PM MDT | Tornado Warning | CYS | Converse, Niobrara | 17 min |
| Jun 2, 1:51 PM MDT | Tornado Warning | CYS | Albany, Laramie | 24 min |
Nearby
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. Rebuilt daily.