Alert archive / Wyoming / 2017
Weather alerts in Wyoming, May 2017
175 weather alerts in May 2017, 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 May 2017. Tap one for its archive.
- Alerts
- 175
- Warnings
- 31
- Watches
- 7
- Advisories
- 13
- Busiest day
- May 16, 201729 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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, 7:16 PM MDT | Special Weather Statement | CYS | Laramie | 29 min |
| May 6, 2:22 PM MDT | Special Weather Statement | RIW | Big Horn | 23 min |
| May 6, 3:14 PM MDT | High Wind Warning | SLC | Uinta | 5 hr |
| May 6, 3:27 PM MDT | Special Weather Statement | RIW | 33 min | |
| May 6, 4:08 PM MDT | Special Weather Statement | RIW | Teton | 37 min |
| May 6, 5:00 PM MDT | Special Weather Statement | RIW | Natrona | 90 min |
| May 6, 5:06 PM MDT | Special Weather Statement | RIW | 39 min | |
| May 6, 5:48 PM MDT | Special Weather Statement | RIW | Johnson | 87 min |
| May 6, 6:11 PM MDT | Special Weather Statement | RIW | Washakie | 34 min |
| May 6, 6:33 PM MDT | Special Weather Statement | CYS | Converse | 27 min |
| May 7, 1:36 PM MDT | Special Weather Statement | RIW | 24 min | |
| May 7, 2:02 PM MDT | Special Weather Statement | RIW | 28 min | |
| May 7, 4:09 PM MDT | Special Weather Statement | UNR | Crook | 36 min |
| May 7, 4:24 PM MDT | Special Weather Statement | RIW | Park | 51 min |
| May 7, 4:55 PM MDT | Special Weather Statement | RIW | Park | 35 min |
| May 7, 5:07 PM MDT | Special Weather Statement | UNR | Crook | 23 min |
| May 7, 5:29 PM MDT | Special Weather Statement | RIW | 31 min | |
| May 7, 5:31 PM MDT | Special Weather Statement | CYS | Laramie | 44 min |
| May 7, 5:35 PM MDT | Mesoscale Discussion | SPC | Big Horn, Campbell, Crook, Johnson, Sheridan, Washakie and 1 more | 2 hr |
| May 7, 5:58 PM MDT | Special Weather Statement | RIW | Big Horn | 62 min |
| May 7, 6:31 PM MDT | Special Weather Statement | RIW | Big Horn | 44 min |
| May 7, 6:50 PM MDT | Special Weather Statement | RIW | Johnson | 40 min |
| May 7, 7:40 PM MDT | Special Weather Statement | RIW | Johnson | 50 min |
| May 7, 8:27 PM MDT | Special Weather Statement | BYZ | Sheridan | 48 min |
| May 8, 12:25 AM MDT | Special Weather Statement | UNR | Weston | 50 min |
| May 8, 12:12 PM MDT | Areal Flood Advisory | BYZ | Sheridan | 48 hr |
| May 8, 1:09 PM MDT | Special Weather Statement | CYS | 51 min | |
| May 8, 3:29 PM MDT | Special Weather Statement | RIW | Sublette | 31 min |
| May 8, 3:59 PM MDT | Special Weather Statement | SLC | Uinta | 31 min |
| May 8, 4:05 PM MDT | Special Weather Statement | RIW | 25 min | |
| May 8, 4:09 PM MDT | Severe Thunderstorm Warning | SLC | Uinta | 21 min |
| May 8, 4:27 PM MDT | Special Weather Statement | RIW | Sweetwater | 48 min |
| May 8, 4:43 PM MDT | Special Weather Statement | CYS | Carbon | 47 min |
| May 8, 5:43 PM MDT | Special Weather Statement | RIW | 32 min | |
| May 8, 6:02 PM MDT | Special Weather Statement | RIW | Sublette | 28 min |
| May 8, 6:16 PM MDT | Special Weather Statement | RIW | Lincoln | 29 min |
| May 8, 6:27 PM MDT | Special Weather Statement | RIW | 33 min | |
| May 8, 6:32 PM MDT | Severe Thunderstorm Warning | RIW | Sublette | 28 min |
| May 8, 6:58 PM MDT | Special Weather Statement | RIW | Sublette | 17 min |
| May 8, 7:01 PM MDT | Special Weather Statement | RIW | Sublette | 14 min |
| May 8, 7:15 PM MDT | Special Weather Statement | RIW | Sublette | 15 min |
| May 9, 2:28 AM MDT | Dense Fog Advisory | CYS | Albany, Laramie | 6 hr |
| May 9, 8:46 AM MDT | Areal Flood Advisory | RIW | Lincoln | 9 days |
| May 9, 3:09 PM MDT | Special Weather Statement | RIW | Hot Springs | 36 min |
| May 9, 3:12 PM MDT | Special Weather Statement | RIW | 33 min | |
| May 9, 3:16 PM MDT | Special Weather Statement | RIW | Hot Springs | 29 min |
| May 9, 3:29 PM MDT | Special Weather Statement | RIW | Sublette | 46 min |
| May 9, 4:54 PM MDT | Special Weather Statement | RIW | 36 min | |
| May 9, 5:22 PM MDT | Special Weather Statement | RIW | Natrona | 23 min |
| May 9, 5:45 PM MDT | Special Weather Statement | RIW | Natrona | 45 min |
| May 9, 5:55 PM MDT | Special Weather Statement | CYS | 50 min | |
| May 9, 6:24 PM MDT | Special Weather Statement | RIW | Natrona | 36 min |
| May 9, 6:33 PM MDT | Special Weather Statement | RIW | 27 min | |
| May 9, 6:41 PM MDT | Special Weather Statement | CYS | 49 min | |
| May 9, 6:55 PM MDT | Special Weather Statement | RIW | 35 min | |
| May 9, 6:57 PM MDT | Special Weather Statement | RIW | Natrona | 48 min |
| May 9, 7:40 PM MDT | Special Weather Statement | RIW | Natrona | 35 min |
| May 11, 5:31 AM MDT | Dense Fog Advisory | CYS | Albany, Laramie | 93 min |
| May 13, 3:45 PM MDT | Special Weather Statement | UNR | Weston | 30 min |
| May 13, 3:55 PM MDT | Special Weather Statement | UNR | Crook | 35 min |
| May 13, 4:14 PM MDT | Special Weather Statement | UNR | Weston | 31 min |
| May 13, 4:41 PM MDT | Mesoscale Discussion | SPC | Crook | 64 min |
| May 13, 4:41 PM MDT | Special Weather Statement | UNR | Crook | 34 min |
| May 13, 4:48 PM MDT | Special Weather Statement | UNR | Weston | 27 min |
| May 13, 5:01 PM MDT | Special Weather Statement | UNR | Crook | 29 min |
| May 13, 7:20 PM MDT | Special Weather Statement | BYZ | Sheridan | 40 min |
| May 14, 12:07 AM MDT | Areal Flood Advisory | BYZ | Sheridan | 36 hr |
| May 14, 8:34 AM MDT | Areal Flood Advisory | RIW | Fremont | 24 hr |
| May 14, 5:17 PM MDT | Special Weather Statement | CYS | Platte | 43 min |
| May 14, 5:51 PM MDT | Mesoscale Discussion | SPC | Goshen, Niobrara, Platte | 54 min |
| May 14, 6:01 PM MDT | Special Weather Statement | CYS | Platte | 44 min |
| May 14, 6:33 PM MDT | Special Weather Statement | CYS | Niobrara | 42 min |
| May 14, 6:51 PM MDT | Special Weather Statement | CYS | Goshen | 39 min |
| May 14, 7:18 PM MDT | Special Weather Statement | CYS | Niobrara | 42 min |
| May 14, 8:29 PM MDT | Special Weather Statement | CYS | Converse | 46 min |
| May 14, 9:48 PM MDT | Special Weather Statement | CYS | Niobrara | 27 min |
| May 15, 2:48 PM MDT | Special Weather Statement | BYZ | Sheridan | 42 min |
| May 15, 3:03 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 39 min |
| May 15, 3:07 PM MDT | Mesoscale Discussion | SPC | Campbell, Converse, Crook, Goshen, Niobrara, Platte and 2 more | 113 min |
| May 15, 3:24 PM MDT | Winter Storm Watch | BYZ | 36 hr | |
| May 15, 4:11 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 64 min |
| May 15, 4:40 PM MDT | Severe Thunderstorm Watch | SPC | Campbell, Crook, Goshen, Niobrara, Weston | 7 hr |
| May 15, 5:03 PM MDT | Special Weather Statement | CYS | Goshen | 42 min |
| May 15, 5:14 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 50 min |
| May 15, 5:18 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 42 min |
| May 15, 5:43 PM MDT | Special Weather Statement | RIW | Johnson | 32 min |
| May 15, 5:48 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 27 min |
| May 15, 5:49 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 56 min |
| May 15, 5:51 PM MDT | Special Weather Statement | UNR | Campbell | 39 min |
| May 15, 5:53 PM MDT | Special Weather Statement | RIW | Johnson | 52 min |
| May 15, 5:59 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 26 min |
| May 15, 6:01 PM MDT | Special Weather Statement | CYS | Niobrara | 44 min |
| May 15, 6:16 PM MDT | Special Weather Statement | RIW | Johnson | 14 min |
| May 15, 6:24 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 66 min |
| May 15, 6:34 PM MDT | Mesoscale Discussion | SPC | Campbell, Converse, Crook, Goshen, Niobrara, Platte and 1 more | 56 min |
| May 15, 6:38 PM MDT | Special Weather Statement | CYS | Laramie | 37 min |
| May 15, 6:43 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 34 min |
| May 15, 6:55 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 65 min |
| May 15, 7:03 PM MDT | Special Weather Statement | UNR | Campbell | 42 min |
| May 15, 7:12 PM MDT | Special Weather Statement | CYS | Laramie | 48 min |
| May 15, 7:23 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 52 min |
| May 15, 7:51 PM MDT | Special Weather Statement | CYS | Goshen | 39 min |
| May 15, 8:25 PM MDT | Special Weather Statement | CYS | Goshen | 50 min |
| May 15, 9:06 PM MDT | Special Weather Statement | CYS | Laramie | 39 min |
| May 15, 9:53 PM MDT | Mesoscale Discussion | SPC | Crook, Goshen, Laramie, Niobrara, Platte, Weston | 67 min |
| May 16, 12:56 AM MDT | Winter Storm Watch | RIW | Big Horn, Fremont, Hot Springs, Johnson, Natrona, Park and 1 more | 23 hr |
| May 16, 9:13 AM MDT | Flood Watch | RIW | Big Horn, Fremont, Hot Springs, Johnson, Natrona, Park and 1 more | 54 hr |
| May 16, 10:40 AM MDT | Winter Storm Watch | CYS | Albany, Carbon, Converse, Laramie, Platte | 15 hr |
| May 16, 12:47 PM MDT | Special Weather Statement | RIW | Fremont | 28 min |
| May 16, 1:16 PM MDT | Mesoscale Discussion | SPC | Goshen, Laramie, Platte | 119 min |
| May 16, 1:24 PM MDT | Special Weather Statement | RIW | Hot Springs | 36 min |
| May 16, 1:38 PM MDT | Special Weather Statement | CYS | Goshen | 37 min |
| May 16, 1:47 PM MDT | Special Weather Statement | RIW | Fremont | 28 min |
| May 16, 2:03 PM MDT | Special Weather Statement | RIW | Hot Springs | 27 min |
| May 16, 2:04 PM MDT | Special Weather Statement | RIW | Fremont | 26 min |
| May 16, 2:27 PM MDT | Special Weather Statement | CYS | Goshen | 48 min |
| May 16, 2:35 PM MDT | Special Weather Statement | RIW | Fremont | 25 min |
| May 16, 2:37 PM MDT | Special Weather Statement | RIW | Natrona | 23 min |
| May 16, 3:19 PM MDT | Winter Storm Warning | BYZ | 45 hr | |
| May 16, 3:55 PM MDT | Special Weather Statement | CYS | Laramie | 35 min |
| May 16, 6:54 PM MDT | Special Weather Statement | RIW | Natrona | 36 min |
| May 16, 10:05 PM MDT | Winter Weather Advisory | RIW | Fremont, Hot Springs, Johnson, Lincoln, Natrona, Park and 3 more | 56 hr |
| May 17, 12:23 AM MDT | Winter Storm Warning | RIW | Big Horn, Fremont, Johnson, Natrona, Sublette, Sweetwater and 1 more | 54 hr |
| May 17, 1:16 AM MDT | Winter Storm Watch | CYS | Albany, Carbon, Laramie, Platte | 21 hr |
| May 17, 1:16 AM MDT | Winter Storm Warning | CYS | Albany, Carbon, Converse, Laramie, Niobrara, Platte | 59 hr |
| May 17, 1:33 PM MDT | Special Weather Statement | RIW | Johnson | 27 min |
| May 17, 2:25 PM MDT | Special Weather Statement | RIW | Johnson | 35 min |
| May 17, 2:27 PM MDT | Special Weather Statement | RIW | Johnson | 33 min |
| May 17, 3:25 PM MDT | Winter Weather Advisory | CYS | Carbon, Converse, Goshen, Laramie | 45 hr |
| May 17, 11:39 PM MDT | Areal Flood Advisory | RIW | Johnson | 12 hr |
| May 18, 2:48 AM MDT | Areal Flood Advisory | BYZ | Sheridan | 48 hr |
| May 18, 2:45 PM MDT | Winter Weather Advisory | UNR | Campbell | 17 hr |
| May 20, 2:29 PM MDT | Frost Advisory | UNR | Campbell, Crook, Weston | 12 hr |
| May 22, 9:43 AM MDT | Special Weather Statement | UNR | Crook | 47 min |
| May 24, 4:07 PM MDT | Special Weather Statement | RIW | Sublette | 38 min |
| May 24, 4:39 PM MDT | Special Weather Statement | RIW | Fremont | 36 min |
| May 24, 5:20 PM MDT | High Wind Warning | SLC | Uinta | 4 hr |
| May 24, 6:01 PM MDT | Special Weather Statement | RIW | Fremont | 89 min |
| May 24, 8:23 PM MDT | Special Weather Statement | RIW | Lincoln | 52 min |
| May 24, 9:14 PM MDT | Special Weather Statement | RIW | Lincoln | 31 min |
| May 24, 9:45 PM MDT | Special Weather Statement | RIW | 30 min | |
| May 24, 10:18 PM MDT | Special Weather Statement | RIW | 42 min | |
| May 25, 8:34 PM MDT | Winter Weather Advisory | RIW | Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 4 more | 28 hr |
| May 26, 11:11 AM MDT | Mesoscale Discussion | SPC | Albany, Carbon, Laramie | 2 hr |
| May 26, 12:29 PM MDT | Special Weather Statement | RIW | 31 min | |
| May 26, 12:57 PM MDT | Severe Thunderstorm Warning | RIW | Sweetwater | 13 min |
| May 26, 1:00 PM MDT | Severe Thunderstorm Watch | SPC | Albany, Carbon, Goshen, Laramie, Platte | 9 hr |
| May 26, 1:25 PM MDT | Severe Thunderstorm Warning | RIW | Sweetwater | 20 min |
| May 26, 1:45 PM MDT | Severe Thunderstorm Warning | CYS | Carbon | 45 min |
| May 26, 2:29 PM MDT | Severe Thunderstorm Warning | CYS | Carbon | 46 min |
| May 26, 2:34 PM MDT | Special Weather Statement | CYS | Albany | 41 min |
| May 26, 2:38 PM MDT | Mesoscale Discussion | SPC | Albany, Carbon, Laramie, Platte | 97 min |
| May 26, 3:00 PM MDT | Special Weather Statement | RIW | 30 min | |
| May 26, 3:11 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Carbon | 43 min |
| May 26, 4:08 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 67 min |
| May 26, 5:36 PM MDT | Special Weather Statement | CYS | Laramie | 39 min |
| May 26, 5:48 PM MDT | Special Weather Statement | CYS | Laramie | 42 min |
| May 26, 6:00 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 40 min |
| May 26, 6:08 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 67 min |
| May 26, 6:34 PM MDT | Special Weather Statement | RIW | 26 min | |
| May 26, 6:38 PM MDT | Tornado Warning | CYS | Laramie | 37 min |
| May 26, 7:10 PM MDT | Special Weather Statement | CYS | Laramie | 65 min |
| May 26, 7:15 PM MDT | Mesoscale Discussion | SPC | Laramie | 60 min |
| May 26, 7:39 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 32 min |
| May 28, 1:02 PM MDT | Special Weather Statement | RIW | Natrona | 28 min |
| May 28, 2:54 PM MDT | Mesoscale Discussion | SPC | Campbell, Converse, Crook, Johnson, Niobrara, Weston | 66 min |
| May 28, 6:21 PM MDT | Special Weather Statement | CYS | 24 min | |
| May 30, 2:10 PM MDT | Special Weather Statement | RIW | Fremont | 35 min |
| May 30, 2:42 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 19 min |
| May 31, 2:17 PM MDT | Special Weather Statement | CYS | Laramie | 43 min |
| May 31, 3:02 PM MDT | Special Weather Statement | RIW | 43 min | |
| May 31, 3:46 PM MDT | Special Weather Statement | CYS | Goshen | 44 min |
| May 31, 4:59 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 46 min |
| May 31, 5:48 PM MDT | Special Weather Statement | CYS | Goshen | 27 min |
| May 31, 5:55 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 35 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 | 25 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 11 |
| Special Weather Statement | 113 |
| Flooding | |
| Flood Watch | 1 |
| Areal Flood Advisory | 6 |
| Winter | |
| Winter Storm Warning | 3 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 4 |
| Cold | |
| Frost Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Laramie County28
- Johnson County18
- Goshen County18
- Crook County17
- Natrona County14
- Weston County14
- Fremont County14
- Campbell County13
- Platte County12
- Sublette County11
- Carbon County11
- Niobrara County11
- Albany County10
- Sheridan County9
- Big Horn County8
- Converse County8
- Hot Springs County8
- Washakie County6
- Park County6
- Lincoln County6
- Sweetwater County5
- Uinta County4
- Teton County3
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.