Alert archive / Wyoming / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Wyoming, 2012
123 severe thunderstorm warnings in 2012. 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Severe Thunderstorm Warnings
- 123
- Busiest month
- June52 severe thunderstorm warnings
- Busiest day
- June 7, 201210 severe thunderstorm warnings
Over time
By month
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 |
|---|---|---|---|---|
| Apr 26, 8:20 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara, Platte | 25 min |
| May 5, 2:54 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 39 min |
| May 5, 3:49 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 41 min |
| May 5, 4:49 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 41 min |
| May 5, 5:13 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 47 min |
| May 5, 5:49 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 41 min |
| May 18, 3:24 PM MDT | Severe Thunderstorm Warning | RIW | Fremont, Hot Springs | 17 days |
| May 18, 4:14 PM MDT | Severe Thunderstorm Warning | CYS | Carbon | 31 min |
| May 18, 4:20 PM MDT | Severe Thunderstorm Warning | RIW | Fremont, Natrona | 55 min |
| May 26, 7:03 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Carbon, Converse | 42 min |
| May 26, 7:48 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Converse | 42 min |
| Jun 4, 7:01 PM MDT | Severe Thunderstorm Warning | RIW | Park | 14 min |
| Jun 4, 7:07 PM MDT | Severe Thunderstorm Warning | RIW | Park | 23 min |
| Jun 5, 9:14 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 56 min |
| Jun 6, 3:26 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 64 min |
| Jun 6, 3:39 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie, Platte | 51 min |
| Jun 6, 4:02 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 58 min |
| Jun 6, 4:27 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie, Platte | 35 min |
| Jun 6, 4:41 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 64 min |
| Jun 6, 4:52 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 53 min |
| Jun 6, 5:43 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 62 min |
| Jun 6, 5:47 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 58 min |
| Jun 6, 6:17 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 58 min |
| Jun 7, 2:10 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Converse, Platte | 65 min |
| Jun 7, 2:30 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 46 min |
| Jun 7, 2:51 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 54 min |
| Jun 7, 3:05 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 55 min |
| Jun 7, 4:15 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 45 min |
| Jun 7, 4:22 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 38 min |
| Jun 7, 4:52 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie, Platte | 53 min |
| Jun 7, 4:59 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 61 min |
| Jun 7, 5:57 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 63 min |
| Jun 7, 6:23 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 41 min |
| Jun 7, 6:36 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 20 min |
| Jun 7, 6:49 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 56 min |
| Jun 7, 7:03 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 31 min |
| Jun 7, 7:32 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 43 min |
| Jun 7, 8:40 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 34 min |
| Jun 9, 7:29 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 21 min |
| Jun 15, 1:56 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 47 min |
| Jun 19, 10:27 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 48 min |
| Jun 19, 10:56 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 34 min |
| Jun 22, 5:45 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 46 min |
| Jun 22, 6:33 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 42 min |
| Jun 22, 7:36 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 54 min |
| Jun 22, 8:06 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 54 min |
| Jun 22, 8:52 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook, Weston | 53 min |
| Jun 22, 9:03 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 57 min |
| Jun 22, 9:44 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 61 min |
| Jun 24, 5:19 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara, Platte | 41 min |
| Jun 24, 5:55 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 50 min |
| Jun 25, 1:43 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Platte | 41 min |
| Jun 25, 2:42 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 36 min |
| Jun 25, 2:50 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 24 min |
| Jun 25, 2:55 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 46 min |
| Jun 25, 2:59 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 61 min |
| Jun 25, 3:11 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 64 min |
| Jun 25, 3:20 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 44 min |
| Jun 25, 3:36 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 54 min |
| Jun 25, 4:16 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 59 min |
| Jun 25, 6:17 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 58 min |
| Jun 25, 7:17 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 39 min |
| Jun 27, 7:50 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie | 21 min |
| Jul 1, 4:34 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 56 min |
| Jul 4, 8:52 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 20 min |
| Jul 5, 3:11 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 39 min |
| Jul 5, 3:55 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Converse | 50 min |
| Jul 5, 4:39 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Platte | 51 min |
| Jul 5, 4:47 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Converse, Platte | 43 min |
| Jul 5, 4:59 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 61 min |
| Jul 5, 5:44 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara, Platte | 46 min |
| Jul 5, 5:55 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 65 min |
| Jul 5, 6:10 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara, Platte | 50 min |
| Jul 5, 6:39 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 36 min |
| Jul 5, 8:07 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 39 min |
| Jul 5, 8:18 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 57 min |
| Jul 5, 8:44 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara | 46 min |
| Jul 5, 8:57 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 35 min |
| Jul 11, 2:28 PM MDT | Severe Thunderstorm Warning | RIW | Fremont, Hot Springs | 47 min |
| Jul 11, 2:50 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 40 min |
| Jul 11, 3:15 PM MDT | Severe Thunderstorm Warning | RIW | Fremont, Hot Springs | 60 min |
| Jul 11, 3:26 PM MDT | Severe Thunderstorm Warning | RIW | Fremont, Natrona | 34 min |
| Jul 11, 4:09 PM MDT | Severe Thunderstorm Warning | RIW | Fremont, Hot Springs, Natrona, Washakie | 51 min |
| Jul 11, 5:45 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 30 min |
| Jul 17, 3:21 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 54 min |
| Jul 17, 3:26 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 64 min |
| Jul 17, 3:39 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 66 min |
| Jul 17, 3:46 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 59 min |
| Jul 17, 4:12 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 63 min |
| Jul 17, 4:26 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 49 min |
| Jul 17, 4:53 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 39 min |
| Jul 20, 5:20 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 55 min |
| Jul 21, 4:26 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 64 min |
| Jul 21, 4:30 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 60 min |
| Jul 21, 5:29 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 10 min |
| Jul 21, 5:40 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 65 min |
| Jul 21, 5:45 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 42 min |
| Jul 21, 6:03 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 40 min |
| Jul 21, 6:29 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 39 min |
| Jul 21, 8:46 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 17 min |
| Jul 24, 3:23 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 37 min |
| Jul 24, 4:02 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 58 min |
| Jul 24, 8:42 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 63 min |
| Jul 24, 8:48 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook, Weston | 57 min |
| Jul 24, 10:40 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 65 min |
| Jul 25, 2:49 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs, Natrona, Washakie | 41 min |
| Jul 27, 1:13 PM MDT | Severe Thunderstorm Warning | RIW | Fremont, Hot Springs | 47 min |
| Jul 27, 8:36 PM MDT | Severe Thunderstorm Warning | RIW | Fremont, Hot Springs | 24 min |
| Jul 27, 9:16 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 14 min |
| Jul 27, 9:27 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 19 min |
| Jul 28, 2:18 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn, Hot Springs, Park, Washakie | 42 min |
| Jul 28, 2:58 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn, Hot Springs, Park, Washakie | 32 min |
| Jul 28, 3:30 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn, Hot Springs, Washakie | 29 min |
| Aug 2, 3:25 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 65 min |
| Aug 2, 4:16 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 59 min |
| Aug 2, 5:04 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 56 min |
| Aug 10, 5:39 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 46 min |
| Sep 1, 6:27 PM MDT | Severe Thunderstorm Warning | SLC | Uinta | 63 min |
| Sep 1, 6:59 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 46 min |
| Sep 1, 7:35 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 39 min |
| Sep 10, 12:33 PM MDT | Severe Thunderstorm Warning | RIW | Fremont, Hot Springs | 57 min |
| Sep 28, 3:20 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 55 min |
| Sep 28, 4:18 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 72 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.