Weather alerts in Wyoming, 1987
71 weather alerts in 1987, 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 1987. Tap one for its archive.
- Alerts
- 71
- Warnings
- 71
- Watches
- 0
- Advisories
- 0
- Busiest month
- June25 alerts
- Busiest day
- June 8, 19877 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 |
|---|---|---|---|---|
| Apr 30, 5:05 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 60 min |
| May 17, 12:54 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 66 min |
| May 17, 1:53 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 67 min |
| May 17, 2:58 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 62 min |
| May 17, 4:00 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 45 min |
| May 18, 4:30 PM MDT | Tornado Warning | CYS | Campbell, Crook | 60 min |
| May 18, 4:50 PM MDT | Tornado Warning | CYS | Crook | 55 min |
| May 18, 5:45 PM MDT | Severe Thunderstorm Warning | CYS | Crook | 60 min |
| May 18, 9:26 PM MDT | Severe Thunderstorm Warning | UNR | Natrona | 64 min |
| May 23, 1:29 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs | 51 min |
| May 23, 2:27 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs | 33 min |
| May 26, 2:21 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 54 min |
| May 26, 3:18 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 57 min |
| May 26, 4:23 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 62 min |
| May 29, 4:10 PM MDT | Tornado Warning | CYS | Johnson | 50 min |
| Jun 7, 5:30 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Platte | 60 min |
| Jun 7, 6:30 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Platte | 60 min |
| Jun 7, 7:25 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 65 min |
| Jun 7, 7:35 PM MDT | Tornado Warning | CYS | Platte | 55 min |
| Jun 7, 8:30 PM MDT | Severe Thunderstorm Warning | CYS | Laramie, Platte | 60 min |
| Jun 7, 9:03 PM MDT | Flash Flood Warning | CYS | Platte | 3 hr |
| Jun 7, 9:33 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 57 min |
| Jun 7, 10:04 PM MDT | Tornado Warning | CYS | Goshen | 56 min |
| Jun 8, 9:41 PM MDT | Flash Flood Warning | CYS | Big Horn, Washakie | 4 hr |
| Jun 9, 7:37 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 68 min |
| Jun 9, 8:01 PM MDT | Tornado Warning | CYS | Laramie | 29 min |
| Jun 9, 8:39 PM MDT | Tornado Warning | CYS | Laramie | 21 min |
| Jun 15, 6:15 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 45 min |
| Jun 17, 5:20 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 55 min |
| Jun 17, 5:51 PM MDT | Tornado Warning | CYS | Platte | 29 min |
| Jun 17, 6:28 PM MDT | Severe Thunderstorm Warning | UNR | Niobrara | 62 min |
| Jun 18, 3:25 PM MDT | Tornado Warning | UNR | Natrona | 65 min |
| Jun 18, 5:20 PM MDT | Tornado Warning | CYS | Washakie | 40 min |
| Jun 19, 1:28 PM MDT | Severe Thunderstorm Warning | CYS | Big Horn | 47 min |
| Jun 19, 4:30 PM MDT | Severe Thunderstorm Warning | CYS | Campbell | 60 min |
| Jun 19, 5:35 PM MDT | Severe Thunderstorm Warning | CYS | Campbell, Crook | 55 min |
| Jun 19, 6:15 PM MDT | Tornado Warning | CYS | Crook | 45 min |
| Jun 19, 7:28 PM MDT | Severe Thunderstorm Warning | CYS | Laramie, Platte | 62 min |
| Jun 20, 2:39 PM MDT | Tornado Warning | CYS | Laramie | 36 min |
| Jun 23, 5:10 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 65 min |
| Jul 3, 2:42 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 48 min |
| Jul 6, 5:21 PM MDT | Severe Thunderstorm Warning | UNR | Converse | 24 min |
| Jul 6, 7:20 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 25 min |
| Jul 6, 7:42 PM MDT | Severe Thunderstorm Warning | UNR | Niobrara | 18 min |
| Jul 7, 2:01 PM MDT | Tornado Warning | CYS | Platte | 29 min |
| Jul 7, 2:31 PM MDT | Severe Thunderstorm Warning | CYS | Laramie, Platte | 59 min |
| Jul 7, 3:30 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie, Platte | 60 min |
| Jul 7, 4:35 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 55 min |
| Jul 7, 5:26 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 64 min |
| Jul 17, 6:45 PM MDT | Severe Thunderstorm Warning | CYS | Crook, Weston | 60 min |
| Jul 21, 2:13 PM MDT | Severe Thunderstorm Warning | RIW | Teton | 32 min |
| Jul 21, 2:35 PM MDT | Severe Thunderstorm Warning | RIW | Fremont, Teton | 40 min |
| Jul 21, 4:35 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 55 min |
| Jul 21, 5:55 PM MDT | Tornado Warning | UNR | Natrona | 65 min |
| Jul 21, 7:23 PM MDT | Severe Thunderstorm Warning | CYS | Sweetwater | 67 min |
| Aug 3, 3:21 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 69 min |
| Aug 3, 4:26 PM MDT | Tornado Warning | CYS | Goshen, Laramie | 64 min |
| Aug 3, 6:03 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 42 min |
| Aug 3, 9:48 PM MDT | Tornado Warning | UNR | Niobrara | 35 min |
| Aug 3, 10:35 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 55 min |
| Aug 3, 11:26 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 49 min |
| Aug 4, 12:43 AM MDT | Severe Thunderstorm Warning | CYS | Goshen | 62 min |
| Aug 6, 3:55 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 40 min |
| Aug 9, 6:02 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 58 min |
| Aug 9, 6:48 PM MDT | Tornado Warning | CYS | Laramie | 57 min |
| Aug 15, 1:42 PM MDT | Severe Thunderstorm Warning | CYS | Washakie | 48 min |
| Aug 15, 2:30 PM MDT | Severe Thunderstorm Warning | CYS | Washakie | 60 min |
| Sep 4, 1:29 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 31 min |
| Sep 4, 2:03 PM MDT | Severe Thunderstorm Warning | CYS | Laramie, Platte | 57 min |
| Sep 4, 2:33 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 57 min |
| Sep 10, 4:20 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 33 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 | 52 |
| Tornado Warning | 17 |
| Flooding | |
| Flash Flood Warning | 2 |
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 archive19861988
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.