Alert archive / Wyoming / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Wyoming, 1997
143 severe thunderstorm warnings in 1997. 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 1997. Tap one for its archive.
- Severe Thunderstorm Warnings
- 143
- Busiest month
- June70 severe thunderstorm warnings
- Busiest day
- June 1, 199710 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 4, 3:38 PM MST | Severe Thunderstorm Warning | CYS | Laramie | 32 min |
| May 21, 3:29 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 31 min |
| May 24, 1:31 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 34 min |
| May 24, 2:36 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara, Platte | 34 min |
| May 24, 3:27 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 33 min |
| May 24, 3:31 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 34 min |
| May 24, 3:54 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 46 min |
| May 24, 4:03 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 32 min |
| May 24, 4:06 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 34 min |
| May 24, 4:27 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 63 min |
| May 25, 7:56 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 34 min |
| May 28, 4:00 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 30 min |
| May 31, 6:10 PM MDT | Severe Thunderstorm Warning | RIW | Park | 45 min |
| May 31, 7:50 PM MDT | Severe Thunderstorm Warning | RIW | Sweetwater | 65 min |
| May 31, 8:05 PM MDT | Severe Thunderstorm Warning | RIW | Park | 45 min |
| Jun 1, 2:20 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 35 min |
| Jun 1, 3:58 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 47 min |
| Jun 1, 4:25 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 45 min |
| Jun 1, 4:31 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 44 min |
| Jun 1, 4:42 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 63 min |
| Jun 1, 5:07 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 48 min |
| Jun 1, 5:19 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 46 min |
| Jun 1, 7:36 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 49 min |
| Jun 2, 2:34 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 46 min |
| Jun 2, 2:47 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 48 min |
| Jun 2, 3:23 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 47 min |
| Jun 2, 3:36 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 34 min |
| Jun 2, 4:00 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 35 min |
| Jun 2, 7:08 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 47 min |
| Jun 5, 2:49 PM MDT | Severe Thunderstorm Warning | SLC | Uinta | 61 min |
| Jun 5, 3:35 PM MDT | Severe Thunderstorm Warning | RIW | Teton | 2 hr |
| Jun 5, 4:20 PM MDT | Severe Thunderstorm Warning | RIW | Lincoln | 45 min |
| Jun 5, 5:16 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs | 49 min |
| Jun 5, 7:05 PM MDT | Severe Thunderstorm Warning | RIW | Washakie | 45 min |
| Jun 5, 8:09 PM MDT | Severe Thunderstorm Warning | RIW | Washakie | 41 min |
| Jun 5, 9:00 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs | 55 min |
| Jun 6, 2:34 PM MDT | Severe Thunderstorm Warning | CYS | Carbon | 41 min |
| Jun 6, 4:01 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 59 min |
| Jun 6, 4:28 PM MDT | Severe Thunderstorm Warning | RIW | Park | 62 min |
| Jun 6, 5:35 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn | 60 min |
| Jun 7, 6:04 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 46 min |
| Jun 7, 6:15 PM MDT | Severe Thunderstorm Warning | RIW | Lincoln | 30 min |
| Jun 8, 4:05 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 30 min |
| Jun 8, 4:30 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs | 45 min |
| Jun 8, 4:56 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 29 min |
| Jun 8, 5:09 PM MDT | Severe Thunderstorm Warning | RIW | Park | 46 min |
| Jun 12, 12:33 PM MDT | Severe Thunderstorm Warning | SLC | Uinta | 47 min |
| Jun 12, 1:35 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 45 min |
| Jun 12, 2:19 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 46 min |
| Jun 12, 4:33 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 47 min |
| Jun 13, 4:53 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 42 min |
| Jun 14, 2:15 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 45 min |
| Jun 14, 3:25 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 45 min |
| Jun 14, 5:31 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 49 min |
| Jun 14, 6:00 PM MDT | Severe Thunderstorm Warning | RIW | Washakie | 30 min |
| Jun 15, 3:08 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 47 min |
| Jun 15, 3:55 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 30 min |
| Jun 18, 2:59 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 46 min |
| Jun 18, 3:41 PM MDT | Severe Thunderstorm Warning | RIW | Park, Teton | 59 min |
| Jun 18, 3:45 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 30 min |
| Jun 20, 3:54 AM MDT | Severe Thunderstorm Warning | UNR | Weston | 46 min |
| Jun 20, 2:32 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 48 min |
| Jun 20, 3:46 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 34 min |
| Jun 20, 7:03 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 47 min |
| Jun 20, 7:17 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 48 min |
| Jun 20, 8:03 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 17 min |
| Jun 20, 8:13 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 47 min |
| Jun 23, 5:30 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn, Washakie | 60 min |
| Jun 23, 6:48 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 62 min |
| Jun 23, 7:26 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 49 min |
| Jun 23, 8:11 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 44 min |
| Jun 23, 8:19 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 41 min |
| Jun 23, 8:58 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 32 min |
| Jun 23, 9:02 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 48 min |
| Jun 23, 9:12 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 48 min |
| Jun 23, 9:18 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 47 min |
| Jun 23, 9:26 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 34 min |
| Jun 23, 9:52 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 48 min |
| Jun 28, 6:09 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 61 min |
| Jun 28, 6:14 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 46 min |
| Jun 28, 7:24 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 31 min |
| Jun 29, 12:29 AM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 46 min |
| Jun 30, 8:18 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 47 min |
| Jul 5, 3:35 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 55 min |
| Jul 5, 3:42 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 48 min |
| Jul 5, 3:44 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 31 min |
| Jul 5, 4:30 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 45 min |
| Jul 5, 4:48 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 47 min |
| Jul 6, 8:50 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 60 min |
| Jul 6, 9:47 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 58 min |
| Jul 8, 8:47 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 63 min |
| Jul 10, 12:34 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 46 min |
| Jul 11, 4:50 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 60 min |
| Jul 11, 5:53 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 62 min |
| Jul 11, 6:48 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 62 min |
| Jul 12, 2:25 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 65 min |
| Jul 12, 2:29 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 61 min |
| Jul 12, 3:59 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 46 min |
| Jul 18, 4:57 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 48 min |
| Jul 18, 6:19 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 31 min |
| Jul 19, 12:33 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 42 min |
| Jul 19, 2:31 PM MDT | Severe Thunderstorm Warning | RIW | Fremont, Sublette, Teton | 59 min |
| Jul 19, 2:31 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs, Park | 59 min |
| Jul 19, 3:39 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn, Park | 91 min |
| Jul 19, 4:56 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn | 89 min |
| Jul 21, 12:49 AM MDT | Severe Thunderstorm Warning | UNR | Crook | 31 min |
| Jul 21, 5:15 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 3 hr |
| Jul 25, 11:08 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 62 min |
| Jul 26, 12:11 AM MDT | Severe Thunderstorm Warning | UNR | Crook | 34 min |
| Jul 26, 7:46 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 49 min |
| Jul 26, 8:39 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 61 min |
| Jul 26, 9:40 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 30 min |
| Jul 26, 10:09 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 61 min |
| Jul 27, 6:47 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 63 min |
| Jul 27, 7:09 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 46 min |
| Aug 2, 3:19 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 46 min |
| Aug 2, 6:37 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 63 min |
| Aug 2, 7:57 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 33 min |
| Aug 3, 2:38 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 42 min |
| Aug 3, 3:24 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 41 min |
| Aug 3, 3:32 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 43 min |
| Aug 12, 3:05 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 45 min |
| Aug 12, 4:59 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs | 46 min |
| Aug 12, 7:03 PM MDT | Severe Thunderstorm Warning | RIW | Sublette | 32 min |
| Aug 12, 8:30 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 60 min |
| Aug 13, 1:49 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 61 min |
| Aug 13, 2:50 PM MDT | Severe Thunderstorm Warning | RIW | Sweetwater | 50 min |
| Aug 13, 5:36 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 29 min |
| Aug 13, 5:56 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 44 min |
| Aug 16, 6:03 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 62 min |
| Aug 16, 6:14 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 46 min |
| Aug 16, 6:51 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 59 min |
| Aug 17, 11:31 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 64 min |
| Aug 18, 3:30 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 60 min |
| Aug 18, 5:52 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 33 min |
| Aug 21, 4:58 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 27 min |
| Aug 25, 5:44 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 31 min |
| Aug 26, 3:55 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 60 min |
| Aug 27, 6:58 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 47 min |
| Aug 29, 5:20 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Platte | 30 min |
| Aug 29, 5:36 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Platte | 44 min |
| Sep 3, 6:51 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 29 min |
| Sep 11, 4:28 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 47 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Laramie County28
- Crook County16
- Weston County15
- Goshen County10
- Sheridan County10
- Platte County8
- Niobrara County8
- Campbell County8
- Park County7
- Fremont County7
- Albany County6
- Converse County5
- Hot Springs County5
- Natrona County4
- Washakie County4
- Big Horn County4
- Teton County3
- Johnson County3
- Sweetwater County2
- Uinta County2
- Lincoln County2
- Sublette County2
- Carbon County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19961998
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.