Alert archive / Wyoming / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Wyoming, 2011
228 severe thunderstorm warnings in 2011. 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 2011. Tap one for its archive.
- Severe Thunderstorm Warnings
- 228
- Busiest month
- June90 severe thunderstorm warnings
- Busiest day
- June 24, 201128 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 21, 2:14 PM MDT | Severe Thunderstorm Warning | SLC | Uinta | 46 min |
| Apr 21, 2:33 PM MDT | Severe Thunderstorm Warning | RIW | Lincoln | 42 min |
| Apr 21, 2:41 PM MDT | Severe Thunderstorm Warning | SLC | Uinta | 35 min |
| Apr 21, 2:42 PM MDT | Severe Thunderstorm Warning | RIW | Lincoln | 33 min |
| May 9, 4:23 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 37 min |
| May 9, 4:57 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Goshen, Niobrara, Platte | 48 min |
| May 9, 4:59 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Goshen, Niobrara, Platte | 46 min |
| May 9, 5:42 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 63 min |
| May 9, 5:43 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara | 43 min |
| May 9, 6:03 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara | 57 min |
| May 9, 6:11 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 79 min |
| May 9, 6:52 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 68 min |
| May 9, 7:42 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 38 min |
| May 24, 3:40 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 80 min |
| May 26, 4:17 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 43 min |
| May 29, 9:07 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Converse | 24 min |
| Jun 6, 8:00 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 30 min |
| Jun 8, 4:31 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 29 min |
| Jun 8, 4:51 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 39 min |
| Jun 8, 5:50 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 40 min |
| Jun 8, 6:25 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 65 min |
| Jun 8, 6:30 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 17 min |
| Jun 8, 7:42 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 33 min |
| Jun 8, 9:37 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 38 min |
| Jun 8, 9:52 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 38 min |
| Jun 8, 10:31 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 29 min |
| Jun 9, 1:43 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 23 min |
| Jun 9, 6:10 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 31 min |
| Jun 11, 3:40 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 35 min |
| Jun 11, 4:50 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 20 min |
| Jun 11, 5:23 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 37 min |
| Jun 11, 7:12 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 47 min |
| Jun 12, 3:38 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 67 min |
| Jun 12, 3:52 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Weston | 53 min |
| Jun 12, 4:05 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 55 min |
| Jun 12, 4:47 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 58 min |
| Jun 12, 4:51 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 69 min |
| Jun 12, 5:35 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 23 min |
| Jun 12, 5:41 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 64 min |
| Jun 15, 7:24 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie | 36 min |
| Jun 16, 1:21 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 39 min |
| Jun 16, 1:50 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 40 min |
| Jun 16, 1:59 PM MDT | Severe Thunderstorm Warning | CYS | Laramie, Platte | 46 min |
| Jun 16, 2:28 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 23 min |
| Jun 16, 2:36 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 24 min |
| Jun 16, 2:39 PM MDT | Severe Thunderstorm Warning | RIW | Sweetwater | 66 min |
| Jun 16, 2:51 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 54 min |
| Jun 16, 2:55 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 43 min |
| Jun 16, 4:01 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 44 min |
| Jun 16, 4:26 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 49 min |
| Jun 16, 4:49 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 41 min |
| Jun 16, 6:27 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie | 48 min |
| Jun 19, 3:03 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 42 min |
| Jun 19, 3:43 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 33 min |
| Jun 23, 5:05 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn | 40 min |
| Jun 23, 6:58 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie, Platte | 38 min |
| Jun 23, 7:26 PM MDT | Severe Thunderstorm Warning | RIW | Lincoln | 32 min |
| Jun 23, 7:34 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 26 min |
| Jun 23, 8:13 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 62 min |
| Jun 23, 8:21 PM MDT | Severe Thunderstorm Warning | RIW | Fremont, Natrona | 54 min |
| Jun 23, 8:24 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 33 min |
| Jun 24, 12:45 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn, Park | 30 min |
| Jun 24, 1:16 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn | 44 min |
| Jun 24, 1:32 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie | 43 min |
| Jun 24, 1:45 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 17 min |
| Jun 24, 1:49 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 41 min |
| Jun 24, 1:53 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie, Platte | 52 min |
| Jun 24, 2:12 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 48 min |
| Jun 24, 2:28 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Converse | 47 min |
| Jun 24, 3:07 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 53 min |
| Jun 24, 3:12 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 48 min |
| Jun 24, 3:14 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 61 min |
| Jun 24, 3:19 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Goshen, Platte | 56 min |
| Jun 24, 3:24 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 53 min |
| Jun 24, 3:35 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 70 min |
| Jun 24, 3:46 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 59 min |
| Jun 24, 3:52 PM MDT | Severe Thunderstorm Warning | RIW | Fremont, Natrona | 38 min |
| Jun 24, 4:12 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara, Platte | 29 min |
| Jun 24, 4:31 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 44 min |
| Jun 24, 4:38 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 37 min |
| Jun 24, 4:42 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 93 min |
| Jun 24, 5:02 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 43 min |
| Jun 24, 5:37 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 53 min |
| Jun 24, 6:43 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 32 min |
| Jun 24, 7:11 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 64 min |
| Jun 25, 6:53 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 42 min |
| Jun 25, 7:12 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 46 min |
| Jun 25, 7:15 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 45 min |
| Jun 25, 8:11 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Weston | 27 min |
| Jun 26, 2:53 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn, Washakie | 52 min |
| Jun 26, 3:18 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn | 30 min |
| Jun 26, 3:36 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn, Johnson, Washakie | 28 min |
| Jun 26, 6:11 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 37 min |
| Jun 26, 6:45 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 45 min |
| Jun 29, 1:20 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 26 min |
| Jun 29, 2:40 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 20 min |
| Jun 29, 6:20 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 51 min |
| Jun 29, 6:45 PM MDT | Severe Thunderstorm Warning | CYS | Carbon | 38 min |
| Jun 29, 6:57 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie | 37 min |
| Jun 30, 1:49 PM MDT | Severe Thunderstorm Warning | RIW | Sweetwater | 40 min |
| Jun 30, 2:03 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara | 24 min |
| Jun 30, 3:19 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 41 min |
| Jun 30, 3:51 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 54 min |
| Jun 30, 3:58 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 47 min |
| Jun 30, 5:12 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 26 min |
| Jun 30, 5:31 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 59 min |
| Jun 30, 6:43 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 47 min |
| Jun 30, 7:13 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 62 min |
| Jul 1, 11:30 AM MDT | Severe Thunderstorm Warning | RIW | Natrona | 30 min |
| Jul 1, 1:50 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 55 min |
| Jul 1, 2:43 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 47 min |
| Jul 2, 2:26 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 64 min |
| Jul 2, 2:37 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Weston | 53 min |
| Jul 2, 2:51 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 39 min |
| Jul 2, 3:15 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie, Platte | 25 min |
| Jul 2, 3:23 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 67 min |
| Jul 2, 3:27 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 63 min |
| Jul 2, 4:27 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 63 min |
| Jul 2, 4:29 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 46 min |
| Jul 2, 4:42 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara, Platte | 48 min |
| Jul 2, 5:01 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 59 min |
| Jul 2, 5:30 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Goshen, Niobrara, Platte | 45 min |
| Jul 2, 5:35 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 40 min |
| Jul 2, 5:40 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 37 min |
| Jul 2, 6:04 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 41 min |
| Jul 2, 6:44 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 61 min |
| Jul 3, 4:31 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs, Washakie | 89 min |
| Jul 3, 7:14 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 43 min |
| Jul 4, 4:27 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 29 min |
| Jul 4, 5:27 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 33 min |
| Jul 5, 6:19 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 56 min |
| Jul 5, 6:47 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 58 min |
| Jul 5, 6:50 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Weston | 40 min |
| Jul 5, 7:54 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 34 min |
| Jul 5, 8:03 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 72 min |
| Jul 5, 8:23 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 82 min |
| Jul 5, 9:28 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn, Park | 29 min |
| Jul 6, 2:28 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 62 min |
| Jul 6, 7:49 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn, Park | 25 min |
| Jul 8, 11:31 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 59 min |
| Jul 11, 1:47 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 58 min |
| Jul 11, 2:38 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 41 min |
| Jul 11, 2:42 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 19 min |
| Jul 11, 3:16 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 29 min |
| Jul 11, 4:24 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 51 min |
| Jul 11, 5:25 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 65 min |
| Jul 11, 6:16 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 59 min |
| Jul 11, 6:54 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 51 min |
| Jul 12, 2:32 PM MDT | Severe Thunderstorm Warning | RIW | Johnson, Washakie | 58 min |
| Jul 12, 5:27 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 63 min |
| Jul 12, 5:53 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 67 min |
| Jul 12, 6:56 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 45 min |
| Jul 12, 7:46 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 32 min |
| Jul 13, 1:45 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn, Hot Springs, Park, Washakie | 45 min |
| Jul 13, 2:25 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn, Washakie | 33 min |
| Jul 13, 5:23 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 23 min |
| Jul 13, 5:33 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 57 min |
| Jul 13, 8:57 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie, Platte | 48 min |
| Jul 13, 9:21 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 39 min |
| Jul 13, 9:49 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie, Platte | 41 min |
| Jul 13, 10:26 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 32 min |
| Jul 14, 4:03 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 42 min |
| Jul 14, 4:44 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 46 min |
| Jul 14, 5:08 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 23 min |
| Jul 14, 5:29 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 46 min |
| Jul 14, 6:50 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 34 min |
| Jul 16, 3:12 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 31 min |
| Jul 16, 3:52 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 53 min |
| Jul 16, 4:42 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 27 min |
| Jul 16, 9:53 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 58 min |
| Jul 17, 1:30 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 28 min |
| Jul 19, 7:59 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 61 min |
| Jul 24, 3:16 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 41 min |
| Jul 24, 3:55 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 65 min |
| Jul 24, 4:51 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 32 min |
| Jul 24, 5:49 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 56 min |
| Jul 24, 7:22 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 53 min |
| Jul 25, 2:49 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 56 min |
| Jul 25, 3:59 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 61 min |
| Jul 26, 10:00 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 30 min |
| Jul 26, 10:31 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 29 min |
| Jul 27, 4:19 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 56 min |
| Jul 27, 5:13 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 62 min |
| Jul 27, 8:38 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 82 min |
| Jul 28, 2:16 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 59 min |
| Jul 28, 4:09 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 51 min |
| Jul 29, 4:37 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 68 min |
| Aug 4, 3:56 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 60 min |
| Aug 4, 4:07 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 22 min |
| Aug 5, 5:32 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 58 min |
| Aug 5, 6:11 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 64 min |
| Aug 8, 3:08 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 22 min |
| Aug 8, 7:27 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Weston | 63 min |
| Aug 8, 8:19 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 45 min |
| Aug 8, 8:24 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 53 min |
| Aug 9, 2:09 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs | 51 min |
| Aug 9, 2:38 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs | 22 min |
| Aug 9, 3:51 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Weston | 54 min |
| Aug 9, 4:29 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 46 min |
| Aug 9, 4:33 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 41 min |
| Aug 9, 5:15 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Converse, Platte | 60 min |
| Aug 9, 6:11 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 49 min |
| Aug 9, 6:54 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie, Platte | 66 min |
| Aug 9, 7:54 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 66 min |
| Aug 9, 9:31 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 59 min |
| Aug 10, 3:31 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 48 min |
| Aug 11, 5:29 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 46 min |
| Aug 11, 5:57 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 63 min |
| Aug 11, 6:55 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 65 min |
| Aug 11, 7:52 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 68 min |
| Aug 15, 2:54 PM MDT | Severe Thunderstorm Warning | RIW | Lincoln, Sublette | 51 min |
| Aug 15, 3:33 PM MDT | Severe Thunderstorm Warning | RIW | Lincoln, Sublette | 42 min |
| Aug 15, 3:43 PM MDT | Severe Thunderstorm Warning | RIW | Sublette | 47 min |
| Aug 15, 4:00 PM MDT | Severe Thunderstorm Warning | CYS | Carbon | 60 min |
| Aug 15, 4:11 PM MDT | Severe Thunderstorm Warning | RIW | Sublette | 49 min |
| Aug 15, 6:54 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 36 min |
| Aug 16, 4:31 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 44 min |
| Aug 19, 7:19 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 41 min |
| Aug 25, 6:25 PM MDT | Severe Thunderstorm Warning | RIW | Park, Teton | 35 min |
| Aug 28, 6:14 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 61 min |
| Aug 28, 6:41 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 45 min |
| Aug 29, 2:42 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 63 min |
| Aug 29, 3:25 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 65 min |
| Aug 29, 3:32 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn | 24 min |
| Aug 29, 5:47 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 28 min |
| Aug 29, 5:49 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 56 min |
| Aug 29, 6:31 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook, Weston | 59 min |
| Oct 6, 7:47 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 58 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Laramie County43
- Goshen County40
- Crook County35
- Campbell County30
- Platte County25
- Weston County22
- Niobrara County20
- Converse County14
- Albany County13
- Natrona County13
- Big Horn County11
- Sheridan County11
- Fremont County7
- Johnson County7
- Washakie County6
- Lincoln County5
- Park County5
- Hot Springs County4
- Sublette County4
- Uinta County2
- Sweetwater County2
- Carbon County2
- Teton County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.