Weather alerts in Wyoming, 1991
149 weather alerts in 1991, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 1991. Tap one for its archive.
- Alerts
- 149
- Warnings
- 149
- Watches
- 0
- Advisories
- 0
- Busiest month
- May75 alerts
- Busiest day
- May 12, 19919 alerts
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 2, 4:52 PM MDT | Tornado Warning | CYS | Sweetwater | 23 min |
| May 2, 6:11 PM MDT | Tornado Warning | RIW | Sublette | 34 min |
| 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, 5:53 PM MDT | Tornado Warning | UNR | Converse | 37 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 11, 11:23 PM MDT | Tornado Warning | UNR | Weston | 52 min |
| May 12, 12:04 AM MDT | Flash Flood Warning | UNR | Weston | 56 min |
| May 12, 2:06 AM MDT | Flash Flood Warning | UNR | Crook | 2 hr |
| May 12, 10:02 AM MDT | Tornado Warning | CYS | Big Horn | 28 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, 4:12 PM MDT | Flash Flood Warning | CYS | Albany, Laramie | 2 hr |
| May 15, 5:01 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie, Platte | 59 min |
| May 15, 9:49 PM MDT | Flash Flood Warning | UNR | Natrona | 4 hr |
| May 17, 8:14 PM MDT | Tornado Warning | RIW | Fremont | 31 min |
| May 18, 5:27 PM MDT | Severe Thunderstorm Warning | RIW | Park | 63 min |
| May 18, 6:50 PM MDT | Flash Flood Warning | RIW | Park | 3 hr |
| 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, 5:15 PM MDT | Tornado Warning | CYS | Laramie | 30 min |
| May 19, 5:44 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 61 min |
| May 19, 6:32 PM MDT | Tornado Warning | CYS | Goshen | 58 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 22, 8:09 PM MDT | Tornado Warning | UNR | Natrona | 36 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, 4:00 PM MDT | Tornado Warning | CYS | Platte | 15 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, 4:00 PM MDT | Tornado Warning | CYS | Goshen | 30 min |
| May 30, 4:17 PM MDT | Tornado Warning | CYS | Goshen, Platte | 43 min |
| May 30, 4:58 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 47 min |
| May 30, 5:40 PM MDT | Tornado Warning | CYS | Laramie | 50 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, 1:17 AM MDT | Flash Flood Warning | UNR | Natrona | 119 min |
| Jun 1, 5:53 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 67 min |
| Jun 1, 6:08 PM MDT | Tornado Warning | CYS | Laramie | 52 min |
| Jun 1, 7:00 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 60 min |
| Jun 1, 7:50 PM MDT | Flash Flood Warning | CYS | Albany, Laramie | 4 hr |
| Jun 1, 10:50 PM MDT | Flash Flood Warning | CYS | Goshen, Laramie, Platte | 2 hr |
| Jun 2, 9:05 AM MDT | Flash Flood Warning | RIW | Fremont | 6 hr |
| Jun 2, 5:33 PM MDT | Flash Flood Warning | CYS | Sweetwater | 4 hr |
| Jun 2, 8:10 PM MDT | Flash Flood Warning | CYS | Laramie | 3 hr |
| Jun 2, 8:38 PM MDT | Flash Flood Warning | CYS | Goshen | 2 hr |
| Jun 2, 10:55 PM MDT | Flash Flood Warning | CYS | Goshen, Laramie | 2 hr |
| 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 6, 6:21 PM MDT | Tornado Warning | CYS | Albany | 39 min |
| Jun 6, 8:53 PM MDT | Flash Flood Warning | CYS | Platte | 3 hr |
| 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 9, 4:15 PM MDT | Tornado Warning | CYS | Laramie | 30 min |
| Jun 13, 1:40 PM MDT | Tornado Warning | CYS | Laramie | 33 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, 2:47 PM MDT | Tornado Warning | UNR | Natrona | 43 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, 5:22 PM MDT | Tornado Warning | CYS | Albany | 38 min |
| Jun 21, 6:59 PM MDT | Flash Flood Warning | CYS | Albany | 4 hr |
| Jun 21, 7:16 PM MDT | Flash Flood Warning | CYS | Albany | 4 hr |
| Jun 21, 7:59 PM MDT | Flash Flood Warning | CYS | Albany, Platte | 4 hr |
| Jun 21, 8:52 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs | 53 min |
| Jun 22, 2:12 PM MDT | Tornado Warning | CYS | Laramie | 48 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 |
| Jun 29, 6:17 PM MDT | Tornado Warning | UNR | Niobrara | 58 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 12, 7:04 PM MDT | Flash Flood Warning | CYS | Laramie | 4 hr |
| 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 7, 6:51 PM MDT | Tornado Warning | UNR | Niobrara | 39 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 product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 109 |
| Tornado Warning | 22 |
| Flooding | |
| Flash Flood Warning | 18 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Laramie County58
- Goshen County25
- Platte County15
- Niobrara County12
- Converse County12
- Albany County12
- Natrona County9
- Weston County6
- Big Horn County4
- Sweetwater County3
- Fremont County3
- Park County3
- Crook County2
- Sheridan County2
- Washakie County2
- Hot Springs County2
- Carbon County2
- Sublette County1
- Campbell County1
- Uinta County1
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. Rebuilt daily.