Alert archive / Wyoming / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Wyoming, 1991
109 severe thunderstorm warnings in 1991. 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 1991. Tap one for its archive.
- Severe Thunderstorm Warnings
- 109
- Busiest month
- May57 severe thunderstorm warnings
- Busiest day
- May 26, 19918 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 |
|---|---|---|---|---|
| May 7, 3:17 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 43 min |
| May 10, 4:32 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 28 min |
| May 10, 6:29 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 31 min |
| May 10, 7:00 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 45 min |
| May 11, 4:20 PM MDT | Severe Thunderstorm Warning | UNR | Niobrara | 55 min |
| May 11, 4:52 PM MDT | Severe Thunderstorm Warning | UNR | Natrona | 53 min |
| May 11, 5:25 PM MDT | Severe Thunderstorm Warning | UNR | Converse | 65 min |
| May 11, 6:28 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 62 min |
| May 11, 7:41 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 64 min |
| May 11, 8:34 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 56 min |
| May 11, 9:03 PM MDT | Severe Thunderstorm Warning | UNR | Converse, Niobrara, Weston | 117 min |
| May 12, 11:55 AM MDT | Severe Thunderstorm Warning | CYS | Sheridan | 35 min |
| May 14, 8:35 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 40 min |
| May 14, 8:51 PM MDT | Severe Thunderstorm Warning | UNR | Converse | 54 min |
| May 14, 9:23 PM MDT | Severe Thunderstorm Warning | UNR | Converse | 52 min |
| May 15, 12:50 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie | 40 min |
| May 15, 2:56 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 64 min |
| May 15, 3:58 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 62 min |
| May 15, 5:01 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie, Platte | 59 min |
| May 18, 5:27 PM MDT | Severe Thunderstorm Warning | RIW | Park | 63 min |
| May 18, 7:30 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 45 min |
| May 18, 8:11 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 49 min |
| May 19, 4:59 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 61 min |
| May 19, 5:44 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 61 min |
| May 19, 6:45 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 45 min |
| May 19, 6:49 PM MDT | Severe Thunderstorm Warning | UNR | Converse | 56 min |
| May 19, 7:15 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 60 min |
| May 19, 7:33 PM MDT | Severe Thunderstorm Warning | UNR | Niobrara | 57 min |
| May 21, 11:44 PM MDT | Severe Thunderstorm Warning | CYS | Sheridan | 31 min |
| May 25, 6:33 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 42 min |
| May 25, 7:14 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 46 min |
| May 26, 12:44 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 31 min |
| May 26, 3:22 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 53 min |
| May 26, 3:41 PM MDT | Severe Thunderstorm Warning | UNR | Natrona | 34 min |
| May 26, 4:25 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 20 min |
| May 26, 4:46 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 44 min |
| May 26, 5:30 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 30 min |
| May 26, 7:27 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 33 min |
| May 26, 8:00 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 45 min |
| May 27, 12:13 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 32 min |
| May 27, 4:29 PM MDT | Severe Thunderstorm Warning | UNR | Converse | 31 min |
| May 27, 5:33 PM MDT | Severe Thunderstorm Warning | UNR | Niobrara | 42 min |
| May 27, 6:17 PM MDT | Severe Thunderstorm Warning | UNR | Niobrara | 28 min |
| May 27, 7:14 PM MDT | Severe Thunderstorm Warning | UNR | Converse | 31 min |
| May 27, 7:34 PM MDT | Severe Thunderstorm Warning | UNR | Niobrara | 26 min |
| May 27, 8:31 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 29 min |
| May 27, 8:37 PM MDT | Severe Thunderstorm Warning | UNR | Niobrara | 38 min |
| May 27, 9:25 PM MDT | Severe Thunderstorm Warning | UNR | Niobrara | 35 min |
| May 28, 5:02 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 28 min |
| May 28, 5:34 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 26 min |
| May 28, 6:07 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 38 min |
| May 29, 3:11 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 34 min |
| May 29, 3:40 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 65 min |
| May 30, 3:59 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 61 min |
| May 30, 4:58 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 47 min |
| May 30, 7:45 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 30 min |
| May 30, 11:58 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 47 min |
| Jun 1, 5:53 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 67 min |
| Jun 1, 7:00 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 60 min |
| Jun 5, 4:39 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 51 min |
| Jun 5, 5:14 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 46 min |
| Jun 7, 2:25 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 35 min |
| Jun 9, 1:51 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie | 69 min |
| Jun 13, 3:16 PM MDT | Severe Thunderstorm Warning | UNR | Natrona | 44 min |
| Jun 14, 12:46 PM MDT | Severe Thunderstorm Warning | UNR | Converse, Natrona | 44 min |
| Jun 14, 2:37 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 68 min |
| Jun 14, 3:09 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 66 min |
| Jun 18, 3:03 PM MDT | Severe Thunderstorm Warning | CYS | Laramie, Platte | 57 min |
| Jun 18, 4:15 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 60 min |
| Jun 20, 5:38 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 67 min |
| Jun 20, 5:50 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 55 min |
| Jun 20, 6:15 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 30 min |
| Jun 20, 8:04 PM MDT | Severe Thunderstorm Warning | UNR | Converse | 41 min |
| Jun 20, 8:48 PM MDT | Severe Thunderstorm Warning | UNR | Converse | 42 min |
| Jun 21, 5:16 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 29 min |
| Jun 21, 5:17 PM MDT | Severe Thunderstorm Warning | CYS | Washakie | 43 min |
| Jun 21, 8:52 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs | 53 min |
| Jun 22, 4:01 PM MDT | Severe Thunderstorm Warning | UNR | Converse, Natrona | 59 min |
| Jun 23, 8:30 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 47 min |
| Jun 23, 9:38 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 52 min |
| Jun 25, 1:50 PM MDT | Severe Thunderstorm Warning | CYS | Big Horn | 40 min |
| Jun 27, 7:32 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 28 min |
| Jun 27, 8:08 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 52 min |
| Jun 27, 8:15 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 45 min |
| Jun 27, 9:01 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 44 min |
| Jun 27, 9:36 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 54 min |
| Jun 28, 9:53 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 52 min |
| Jun 29, 4:41 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 34 min |
| Jun 29, 5:50 PM MDT | Severe Thunderstorm Warning | UNR | Niobrara | 55 min |
| Jul 12, 3:28 PM MDT | Severe Thunderstorm Warning | CYS | Carbon | 62 min |
| Jul 12, 4:25 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Carbon | 65 min |
| Jul 12, 5:21 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 39 min |
| Jul 16, 2:23 PM MDT | Severe Thunderstorm Warning | CYS | Washakie | 67 min |
| Jul 16, 2:32 PM MDT | Severe Thunderstorm Warning | CYS | Big Horn | 58 min |
| Aug 6, 5:41 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 34 min |
| Aug 9, 3:30 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 45 min |
| Aug 9, 5:10 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 50 min |
| Aug 10, 7:29 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 46 min |
| Aug 10, 7:51 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 34 min |
| Aug 10, 8:18 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 42 min |
| Aug 10, 9:06 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 38 min |
| Aug 11, 3:31 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 59 min |
| Aug 11, 4:25 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 65 min |
| Aug 11, 6:41 PM MDT | Severe Thunderstorm Warning | UNR | Niobrara | 64 min |
| Aug 24, 9:50 PM MDT | Severe Thunderstorm Warning | CYS | Sweetwater, Uinta | 55 min |
| Sep 5, 4:52 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 68 min |
| Sep 10, 6:56 PM MDT | Severe Thunderstorm Warning | RIW | Park | 64 min |
| Sep 10, 7:24 PM MDT | Severe Thunderstorm Warning | CYS | Big Horn | 51 min |
| Sep 10, 8:20 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs | 70 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 archive19901992
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.