Alert archive / Wyoming / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Wyoming, 2001
170 severe thunderstorm warnings in 2001. 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 2001. Tap one for its archive.
- Severe Thunderstorm Warnings
- 170
- Busiest month
- July78 severe thunderstorm warnings
- Busiest day
- June 30, 200115 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 3, 5:07 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 43 min |
| Apr 3, 5:52 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 38 min |
| May 1, 1:45 AM MDT | Severe Thunderstorm Warning | UNR | Campbell | 60 min |
| May 1, 1:50 AM MDT | Severe Thunderstorm Warning | UNR | Crook | 40 min |
| May 26, 5:41 PM MDT | Severe Thunderstorm Warning | RIW | Park | 34 min |
| May 27, 3:14 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 31 min |
| May 27, 4:47 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 28 min |
| May 27, 5:19 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 26 min |
| May 28, 3:05 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 25 min |
| May 28, 3:28 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 32 min |
| May 28, 5:00 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 45 min |
| May 28, 5:25 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 50 min |
| May 28, 6:14 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 46 min |
| May 28, 6:59 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 31 min |
| May 29, 5:25 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 35 min |
| Jun 2, 7:36 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 54 min |
| Jun 3, 10:23 AM MDT | Severe Thunderstorm Warning | RIW | Fremont, Hot Springs | 52 min |
| Jun 3, 11:27 AM MDT | Severe Thunderstorm Warning | RIW | Natrona | 63 min |
| Jun 3, 12:45 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 45 min |
| Jun 3, 1:05 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 55 min |
| Jun 3, 1:32 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 28 min |
| Jun 3, 1:52 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 58 min |
| Jun 3, 2:00 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 45 min |
| Jun 3, 2:01 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 59 min |
| Jun 3, 2:48 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook, Weston | 62 min |
| Jun 3, 8:28 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 62 min |
| Jun 3, 11:14 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 46 min |
| Jun 7, 6:44 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 16 min |
| Jun 7, 7:03 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 42 min |
| Jun 7, 7:49 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 26 min |
| Jun 7, 8:40 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 35 min |
| Jun 8, 4:54 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 36 min |
| Jun 8, 7:31 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 59 min |
| Jun 8, 8:23 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 52 min |
| Jun 9, 3:19 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 56 min |
| Jun 9, 3:48 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 57 min |
| Jun 9, 4:48 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 27 min |
| Jun 9, 4:59 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 61 min |
| Jun 12, 1:15 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 30 min |
| Jun 12, 3:14 PM MDT | Severe Thunderstorm Warning | RIW | Sweetwater | 31 min |
| Jun 12, 4:45 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 45 min |
| Jun 12, 4:57 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 48 min |
| Jun 12, 5:30 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 30 min |
| Jun 12, 5:44 PM MDT | Severe Thunderstorm Warning | RIW | Johnson, Natrona | 46 min |
| Jun 12, 6:40 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 65 min |
| Jun 12, 8:02 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 43 min |
| Jun 12, 8:06 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 54 min |
| Jun 12, 8:13 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 62 min |
| Jun 20, 4:59 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 46 min |
| Jun 20, 5:45 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 30 min |
| Jun 20, 6:22 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 28 min |
| Jun 20, 6:48 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 32 min |
| Jun 24, 6:14 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 31 min |
| Jun 26, 3:03 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 57 min |
| Jun 26, 5:03 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 27 min |
| Jun 26, 5:11 PM MDT | Severe Thunderstorm Warning | RIW | Fremont, Hot Springs | 49 min |
| Jun 26, 7:13 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn | 47 min |
| Jun 27, 2:05 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn, Washakie | 40 min |
| Jun 27, 2:28 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs, Washakie | 32 min |
| Jun 27, 5:15 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 35 min |
| Jun 27, 5:49 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 41 min |
| Jun 27, 6:32 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 43 min |
| Jun 27, 6:55 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 50 min |
| Jun 27, 7:24 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 66 min |
| Jun 27, 9:24 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 66 min |
| Jun 29, 5:55 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 65 min |
| Jun 29, 6:27 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 63 min |
| Jun 29, 7:32 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 43 min |
| Jun 29, 8:14 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 61 min |
| Jun 29, 9:19 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 56 min |
| Jun 29, 9:47 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 43 min |
| Jun 29, 10:44 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 46 min |
| Jun 30, 12:57 AM MDT | Severe Thunderstorm Warning | UNR | Crook | 63 min |
| Jun 30, 1:58 AM MDT | Severe Thunderstorm Warning | UNR | Crook | 62 min |
| Jun 30, 2:11 AM MDT | Severe Thunderstorm Warning | UNR | Campbell | 64 min |
| Jun 30, 2:45 AM MDT | Severe Thunderstorm Warning | UNR | Crook | 60 min |
| Jun 30, 3:36 AM MDT | Severe Thunderstorm Warning | UNR | Campbell | 54 min |
| Jun 30, 3:46 AM MDT | Severe Thunderstorm Warning | UNR | Crook | 44 min |
| Jun 30, 5:04 AM MDT | Severe Thunderstorm Warning | UNR | Crook | 41 min |
| Jun 30, 3:14 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 46 min |
| Jun 30, 5:04 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 41 min |
| Jul 1, 1:50 AM MDT | Severe Thunderstorm Warning | UNR | Crook | 55 min |
| Jul 3, 4:31 AM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 29 min |
| Jul 3, 4:40 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 50 min |
| Jul 3, 5:20 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 30 min |
| Jul 3, 5:31 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 59 min |
| Jul 3, 6:30 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 30 min |
| Jul 3, 7:32 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 43 min |
| Jul 3, 8:15 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 60 min |
| Jul 4, 2:06 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 24 min |
| Jul 4, 2:30 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 30 min |
| Jul 4, 2:44 PM MDT | Severe Thunderstorm Warning | RIW | Fremont, Hot Springs | 31 min |
| Jul 4, 3:15 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 30 min |
| Jul 4, 3:45 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 30 min |
| Jul 4, 4:30 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 30 min |
| Jul 4, 4:31 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 44 min |
| Jul 4, 4:37 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 38 min |
| Jul 4, 4:57 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 63 min |
| Jul 4, 5:06 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 29 min |
| Jul 4, 5:15 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 45 min |
| Jul 4, 5:59 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 46 min |
| Jul 5, 7:21 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 39 min |
| Jul 5, 7:26 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 64 min |
| Jul 6, 3:29 PM MDT | Severe Thunderstorm Warning | RIW | Sweetwater | 31 min |
| Jul 6, 5:39 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 36 min |
| Jul 6, 6:18 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 27 min |
| Jul 6, 6:23 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 52 min |
| Jul 6, 6:45 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 30 min |
| Jul 6, 7:15 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 60 min |
| Jul 6, 8:10 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 35 min |
| Jul 7, 5:00 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 45 min |
| Jul 7, 5:15 PM MDT | Severe Thunderstorm Warning | SLC | Uinta | 45 min |
| Jul 7, 5:44 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 46 min |
| Jul 7, 6:29 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 61 min |
| Jul 7, 6:32 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 58 min |
| Jul 7, 7:29 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 46 min |
| Jul 8, 11:54 AM MDT | Severe Thunderstorm Warning | SLC | Uinta | 51 min |
| Jul 8, 2:50 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 40 min |
| Jul 8, 2:57 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 63 min |
| Jul 8, 3:54 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 66 min |
| Jul 8, 4:55 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 65 min |
| Jul 8, 6:30 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 60 min |
| Jul 8, 8:21 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 54 min |
| Jul 8, 8:24 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 66 min |
| Jul 9, 3:39 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 51 min |
| Jul 9, 4:17 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 43 min |
| Jul 9, 4:48 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 42 min |
| Jul 10, 4:21 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs, Washakie | 39 min |
| Jul 10, 5:12 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 63 min |
| Jul 10, 7:41 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 34 min |
| Jul 10, 8:14 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 46 min |
| Jul 11, 4:26 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 34 min |
| Jul 14, 2:33 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 57 min |
| Jul 14, 4:00 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs | 30 min |
| Jul 14, 4:30 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs | 30 min |
| Jul 14, 7:30 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 60 min |
| Jul 15, 3:45 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 45 min |
| Jul 15, 3:47 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 28 min |
| Jul 15, 4:20 PM MDT | Severe Thunderstorm Warning | RIW | Sublette | 25 min |
| Jul 15, 4:45 PM MDT | Severe Thunderstorm Warning | RIW | Sublette | 25 min |
| Jul 15, 7:09 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 51 min |
| Jul 22, 6:00 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 90 min |
| Jul 22, 7:09 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 66 min |
| Jul 22, 8:39 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 66 min |
| Jul 23, 4:46 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 59 min |
| Jul 23, 5:04 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 56 min |
| Jul 23, 5:25 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 50 min |
| Jul 23, 7:00 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 45 min |
| Jul 23, 7:02 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 58 min |
| Jul 23, 7:54 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 66 min |
| Jul 26, 1:07 AM MDT | Severe Thunderstorm Warning | UNR | Crook | 38 min |
| Jul 26, 6:06 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 54 min |
| Jul 26, 7:00 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 60 min |
| Jul 26, 7:24 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 66 min |
| Jul 26, 8:04 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 56 min |
| Jul 27, 7:30 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 45 min |
| Jul 28, 3:14 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 61 min |
| Jul 28, 4:07 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 53 min |
| Jul 28, 6:53 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 67 min |
| Aug 3, 4:22 PM MDT | Severe Thunderstorm Warning | RIW | Lincoln | 38 min |
| Aug 8, 4:34 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 41 min |
| Aug 8, 5:10 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 65 min |
| Aug 9, 3:03 PM MDT | Severe Thunderstorm Warning | RIW | Sublette | 42 min |
| Aug 10, 6:00 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs | 30 min |
| Aug 18, 4:56 PM MDT | Severe Thunderstorm Warning | RIW | Sweetwater | 49 min |
| Aug 19, 1:36 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 24 min |
| Sep 13, 1:48 PM MDT | Severe Thunderstorm Warning | RIW | Lincoln | 27 min |
| Sep 13, 2:20 PM MDT | Severe Thunderstorm Warning | RIW | Sublette | 30 min |
| Sep 14, 1:45 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 45 min |
| Sep 14, 3:37 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 33 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Campbell County28
- Crook County26
- Laramie County23
- Weston County19
- Sheridan County14
- Johnson County10
- Fremont County8
- Natrona County8
- Hot Springs County8
- Converse County6
- Platte County6
- Goshen County5
- Sublette County4
- Sweetwater County3
- Washakie County3
- Albany County3
- Big Horn County2
- Niobrara County2
- Uinta County2
- Lincoln County2
- Park County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20002002
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.