Alert archive / Wyoming / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Wyoming, 1998
157 severe thunderstorm warnings in 1998. 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 1998. Tap one for its archive.
- Severe Thunderstorm Warnings
- 157
- Busiest month
- July79 severe thunderstorm warnings
- Busiest day
- July 2, 199815 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 |
|---|---|---|---|---|
| Mar 28, 2:15 PM MST | Severe Thunderstorm Warning | CYS | Goshen | 60 min |
| Mar 28, 3:55 PM MST | Severe Thunderstorm Warning | CYS | Goshen | 45 min |
| Mar 28, 7:10 PM MST | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 40 min |
| May 7, 11:40 AM MDT | Severe Thunderstorm Warning | CYS | Laramie | 25 min |
| May 7, 11:47 AM MDT | Severe Thunderstorm Warning | CYS | Laramie | 18 min |
| May 9, 6:35 PM MDT | Severe Thunderstorm Warning | SLC | Uinta | 40 min |
| May 9, 7:16 PM MDT | Severe Thunderstorm Warning | SLC | Uinta | 29 min |
| May 10, 1:49 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 31 min |
| May 10, 2:22 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 48 min |
| May 10, 3:10 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 50 min |
| May 10, 5:49 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 51 min |
| May 10, 6:06 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 39 min |
| May 10, 6:40 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 60 min |
| May 10, 6:44 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 61 min |
| May 10, 9:26 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 34 min |
| May 10, 9:57 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 48 min |
| May 11, 5:18 AM MDT | Severe Thunderstorm Warning | CYS | Albany | 32 min |
| May 12, 4:48 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 32 min |
| May 12, 5:19 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 31 min |
| May 19, 2:59 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 46 min |
| May 19, 4:01 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 34 min |
| May 19, 4:57 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 33 min |
| May 20, 2:49 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 46 min |
| May 21, 6:27 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 48 min |
| May 26, 2:43 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 27 min |
| May 26, 3:18 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 47 min |
| May 26, 5:26 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 29 min |
| May 26, 5:55 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 30 min |
| May 26, 6:33 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 32 min |
| Jun 7, 1:08 PM MDT | Severe Thunderstorm Warning | SLC | Uinta | 22 min |
| Jun 7, 1:20 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 45 min |
| Jun 7, 3:31 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 49 min |
| Jun 7, 4:24 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 26 min |
| Jun 7, 6:30 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 35 min |
| Jun 9, 12:57 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 33 min |
| Jun 13, 2:00 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 45 min |
| Jun 13, 3:32 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 48 min |
| Jun 13, 5:13 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 47 min |
| Jun 13, 6:40 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 30 min |
| Jun 19, 5:06 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 44 min |
| Jun 19, 5:27 PM MDT | Severe Thunderstorm Warning | RIW | Washakie | 28 min |
| Jun 19, 9:15 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 45 min |
| Jun 21, 2:33 PM MDT | Severe Thunderstorm Warning | RIW | Sweetwater | 62 min |
| Jun 22, 1:50 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs | 35 min |
| Jun 22, 2:59 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 31 min |
| Jun 22, 3:30 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 35 min |
| Jun 22, 3:30 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 30 min |
| Jun 22, 4:42 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 23 min |
| Jun 22, 4:46 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 49 min |
| Jun 22, 5:09 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 26 min |
| Jun 22, 5:37 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 48 min |
| Jun 22, 7:50 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 60 min |
| Jun 22, 8:35 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 40 min |
| Jun 23, 1:57 PM MDT | Severe Thunderstorm Warning | RIW | Washakie | 63 min |
| Jun 23, 4:44 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 36 min |
| Jun 24, 2:55 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 50 min |
| Jun 24, 4:51 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 34 min |
| Jun 24, 5:40 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 30 min |
| Jun 26, 3:07 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 48 min |
| Jun 30, 6:04 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs | 31 min |
| Jun 30, 10:44 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 51 min |
| Jun 30, 11:17 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 53 min |
| Jul 1, 2:34 PM MDT | Severe Thunderstorm Warning | RIW | Park | 31 min |
| Jul 1, 3:00 PM MDT | Severe Thunderstorm Warning | RIW | Park | 30 min |
| Jul 1, 3:28 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn | 32 min |
| Jul 1, 3:54 PM MDT | Severe Thunderstorm Warning | RIW | Washakie | 41 min |
| Jul 1, 4:03 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn | 47 min |
| Jul 1, 4:43 PM MDT | Severe Thunderstorm Warning | RIW | Washakie | 27 min |
| Jul 1, 5:16 PM MDT | Severe Thunderstorm Warning | RIW | Washakie | 44 min |
| Jul 1, 5:52 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 33 min |
| Jul 1, 6:03 PM MDT | Severe Thunderstorm Warning | RIW | Washakie | 32 min |
| Jul 1, 6:26 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 49 min |
| Jul 1, 7:10 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 60 min |
| Jul 1, 7:27 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 38 min |
| Jul 1, 8:30 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 60 min |
| Jul 1, 9:33 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 47 min |
| Jul 1, 9:58 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 47 min |
| Jul 1, 9:58 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 52 min |
| Jul 1, 10:01 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 44 min |
| Jul 2, 3:33 PM MDT | Severe Thunderstorm Warning | RIW | Park | 32 min |
| Jul 2, 3:53 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 47 min |
| Jul 2, 4:35 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 45 min |
| Jul 2, 4:54 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 41 min |
| Jul 2, 5:31 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 49 min |
| Jul 2, 5:51 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 49 min |
| Jul 2, 6:06 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs | 34 min |
| Jul 2, 6:13 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 47 min |
| Jul 2, 6:39 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 51 min |
| Jul 2, 6:39 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 46 min |
| Jul 2, 6:45 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs, Washakie | 45 min |
| Jul 2, 6:54 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 46 min |
| Jul 2, 7:11 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 49 min |
| Jul 2, 7:31 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 59 min |
| Jul 2, 7:41 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 59 min |
| Jul 2, 8:19 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 46 min |
| Jul 2, 9:04 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 46 min |
| Jul 2, 10:46 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 44 min |
| Jul 3, 3:57 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 48 min |
| Jul 3, 4:16 PM MDT | Severe Thunderstorm Warning | RIW | Park | 64 min |
| Jul 3, 6:00 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 60 min |
| Jul 3, 6:31 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 64 min |
| Jul 3, 7:04 PM MDT | Severe Thunderstorm Warning | RIW | Washakie | 46 min |
| Jul 3, 7:50 PM MDT | Severe Thunderstorm Warning | RIW | Washakie | 45 min |
| Jul 4, 3:12 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 48 min |
| Jul 4, 4:15 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 45 min |
| Jul 4, 4:39 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 31 min |
| Jul 4, 4:58 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 47 min |
| Jul 4, 5:45 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 50 min |
| Jul 5, 6:12 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 63 min |
| Jul 5, 7:42 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 63 min |
| Jul 5, 8:39 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 61 min |
| Jul 6, 3:36 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 49 min |
| Jul 8, 3:11 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 64 min |
| Jul 9, 3:25 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs | 45 min |
| Jul 11, 2:21 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn, Park | 29 min |
| Jul 11, 2:49 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 46 min |
| Jul 11, 3:00 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn, Park | 30 min |
| Jul 13, 7:51 PM MDT | Severe Thunderstorm Warning | RIW | Teton | 29 min |
| Jul 15, 3:39 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 41 min |
| Jul 15, 5:39 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 51 min |
| Jul 15, 6:00 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 60 min |
| Jul 15, 7:44 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 46 min |
| Jul 18, 5:15 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 45 min |
| Jul 19, 6:10 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 60 min |
| Jul 21, 2:14 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 31 min |
| Jul 21, 2:50 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 35 min |
| Jul 21, 3:27 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 33 min |
| Jul 21, 4:18 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 32 min |
| Jul 21, 4:49 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 31 min |
| Jul 21, 5:20 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 45 min |
| Jul 22, 3:23 PM MDT | Severe Thunderstorm Warning | CYS | Carbon | 32 min |
| Jul 22, 6:25 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 30 min |
| Jul 24, 7:04 PM MDT | Severe Thunderstorm Warning | SLC | Uinta | 26 min |
| Jul 30, 3:06 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 34 min |
| Jul 30, 8:45 PM MDT | Severe Thunderstorm Warning | RIW | Lincoln | 45 min |
| Jul 31, 3:18 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 47 min |
| Jul 31, 4:03 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 32 min |
| Jul 31, 4:29 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs | 46 min |
| Aug 1, 2:50 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 50 min |
| Aug 1, 4:17 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 33 min |
| Aug 10, 12:29 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 31 min |
| Aug 10, 12:49 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 46 min |
| Aug 10, 2:11 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 54 min |
| Aug 10, 2:54 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 46 min |
| Aug 10, 3:02 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 48 min |
| Aug 14, 5:04 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs, Washakie | 46 min |
| Aug 14, 5:11 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 59 min |
| Aug 14, 6:08 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 62 min |
| Aug 14, 6:38 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara | 57 min |
| Aug 17, 6:58 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 47 min |
| Aug 18, 5:02 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 43 min |
| Aug 20, 12:39 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 31 min |
| Aug 20, 12:39 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 36 min |
| Aug 21, 5:33 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 47 min |
| Aug 26, 7:24 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 46 min |
| Aug 30, 6:31 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 29 min |
| Sep 12, 5:13 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 32 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Laramie County23
- Campbell County21
- Crook County21
- Goshen County16
- Fremont County13
- Washakie County10
- Weston County9
- Johnson County9
- Niobrara County8
- Hot Springs County7
- Park County6
- Albany County5
- Uinta County4
- Big Horn County4
- Converse County4
- Platte County3
- Sheridan County2
- Natrona County2
- Sweetwater County1
- Teton County1
- Carbon County1
- Lincoln County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19971999
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.