Alert archive / Wyoming / Red Flag Warnings
Red Flag Warnings in Wyoming, 2020
102 red flag warnings in 2020. 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 red flag warnings reaches back to 2005.
Red Flag Warnings by county
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Red Flag Warnings
- 102
- Busiest month
- August34 red flag warnings
- Busiest day
- September 4, 20205 red flag 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 7, 2:19 AM MST | Red Flag Warning | UNR | Weston | 16 hr |
| Jun 15, 1:17 PM MDT | Red Flag Warning | CYS | 31 hr | |
| Jun 16, 3:35 AM MDT | Red Flag Warning | UNR | Campbell | 15 hr |
| Jun 16, 4:05 AM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Natrona, Washakie | 15 hr |
| Jun 20, 1:22 PM MDT | Red Flag Warning | CYS | 7 hr | |
| Jul 1, 2:37 AM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Natrona, Washakie | 41 hr |
| Jul 1, 4:00 AM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 16 hr |
| Jul 2, 12:01 PM MDT | Red Flag Warning | UNR | Campbell, Weston | 8 hr |
| Jul 5, 1:28 PM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Natrona, Washakie | 3 days |
| Jul 7, 3:07 AM MDT | Red Flag Warning | UNR | Campbell, Weston | 17 hr |
| Jul 7, 4:35 AM MDT | Red Flag Warning | CYS | 15 hr | |
| Jul 7, 1:26 PM MDT | Red Flag Warning | CYS | 31 hr | |
| Jul 8, 2:36 AM MDT | Red Flag Warning | UNR | Campbell, Weston | 17 hr |
| Jul 9, 12:37 PM MDT | Red Flag Warning | CYS | 32 hr | |
| Jul 9, 7:30 PM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Natrona, Washakie | 25 hr |
| Jul 10, 2:26 AM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 17 hr |
| Jul 11, 1:54 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Jul 11, 2:27 PM MDT | Red Flag Warning | RIW | Big Horn, Fremont, Hot Springs, Johnson, Natrona, Park and 1 more | 30 hr |
| Jul 11, 2:56 PM MDT | Red Flag Warning | CYS | 6 hr | |
| Jul 12, 1:28 AM MDT | Red Flag Warning | UNR | Campbell, Weston | 19 hr |
| Jul 16, 2:42 PM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Natrona, Sweetwater, Washakie | 53 hr |
| Jul 16, 7:39 PM MDT | Red Flag Warning | UNR | Campbell, Weston | 24 hr |
| Jul 16, 8:16 PM MDT | Red Flag Warning | CYS | 24 hr | |
| Jul 18, 2:58 AM MDT | Red Flag Warning | RIW | Fremont, Natrona, Sweetwater | 17 hr |
| Jul 23, 2:55 AM MDT | Red Flag Warning | UNR | Campbell, Weston | 17 hr |
| Jul 23, 3:02 AM MDT | Red Flag Warning | CYS | 17 hr | |
| Aug 3, 3:30 AM MDT | Red Flag Warning | RIW | Lincoln, Sublette, Sweetwater, Uinta | 41 hr |
| Aug 3, 1:38 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Aug 4, 2:31 PM MDT | Red Flag Warning | CYS | 29 hr | |
| Aug 5, 2:50 AM MDT | Red Flag Warning | CYS | 41 hr | |
| Aug 5, 2:04 PM MDT | Red Flag Warning | RIW | Fremont, Lincoln, Natrona, Sublette, Sweetwater, Uinta | 30 hr |
| Aug 6, 3:08 AM MDT | Red Flag Warning | CYS | 41 hr | |
| Aug 7, 2:51 AM MDT | Red Flag Warning | RIW | Sweetwater | 17 hr |
| Aug 8, 1:56 AM MDT | Red Flag Warning | CYS | 18 hr | |
| Aug 8, 2:25 PM MDT | Red Flag Warning | RIW | Lincoln, Sublette, Sweetwater, Uinta | 30 hr |
| Aug 8, 2:36 PM MDT | Red Flag Warning | CYS | 29 hr | |
| Aug 9, 2:32 PM MDT | Red Flag Warning | CYS | 29 hr | |
| Aug 10, 12:12 PM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Lincoln, Natrona, Park and 5 more | 32 hr |
| Aug 10, 2:14 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Aug 11, 4:01 AM MDT | Red Flag Warning | UNR | Campbell | 16 hr |
| Aug 11, 12:12 PM MDT | Red Flag Warning | RIW | Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 6 more | 3 days |
| Aug 11, 1:20 PM MDT | Red Flag Warning | CYS | 31 hr | |
| Aug 11, 1:49 PM MDT | Red Flag Warning | BYZ | Big Horn, Johnson, Sheridan, Washakie | 31 hr |
| Aug 12, 3:40 AM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 40 hr |
| Aug 12, 2:05 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Aug 13, 1:42 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Aug 17, 2:11 PM MDT | Red Flag Warning | BYZ | Big Horn, Johnson, Sheridan, Washakie | 30 hr |
| Aug 18, 2:28 AM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 16 hr |
| Aug 18, 3:43 AM MDT | Red Flag Warning | RIW | Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 4 more | 17 hr |
| Aug 18, 3:39 PM MDT | Red Flag Warning | CYS | 28 hr | |
| Aug 21, 3:40 PM MDT | Red Flag Warning | CYS | 4 hr | |
| Aug 22, 12:46 PM MDT | Red Flag Warning | CYS | 7 hr | |
| Aug 22, 7:39 PM MDT | Red Flag Warning | CYS | 24 hr | |
| Aug 26, 12:57 PM MDT | Red Flag Warning | RIW | Fremont, Lincoln, Natrona, Sublette, Sweetwater, Uinta | 31 hr |
| Aug 27, 2:10 AM MDT | Red Flag Warning | CYS | 18 hr | |
| Aug 28, 2:17 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Aug 28, 3:11 PM MDT | Red Flag Warning | RIW | Fremont, Lincoln, Natrona, Sublette, Sweetwater, Teton and 1 more | 54 hr |
| Aug 29, 3:59 AM MDT | Red Flag Warning | CYS | 40 hr | |
| Aug 31, 3:27 AM MDT | Red Flag Warning | BYZ | Big Horn, Johnson, Sheridan, Washakie | 69 hr |
| Aug 31, 1:08 PM MDT | Red Flag Warning | CYS | 6 hr | |
| Sep 1, 2:59 AM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 42 hr |
| Sep 1, 3:10 AM MDT | Red Flag Warning | CYS | 41 hr | |
| Sep 1, 3:36 AM MDT | Red Flag Warning | RIW | Big Horn, Fremont, Hot Springs, Johnson, Natrona, Park and 2 more | 40 hr |
| Sep 4, 11:14 AM MDT | Red Flag Warning | BYZ | Big Horn, Johnson, Sheridan, Washakie | 57 hr |
| Sep 4, 12:31 PM MDT | Red Flag Warning | RIW | Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 6 more | 3 days |
| Sep 4, 12:56 PM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 54 hr |
| Sep 4, 2:19 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Sep 4, 2:19 PM MDT | Red Flag Warning | CYS | 54 hr | |
| Sep 6, 2:10 PM MDT | Red Flag Warning | CYS | 29 hr | |
| Sep 13, 3:11 AM MDT | Red Flag Warning | BYZ | Big Horn, Johnson, Sheridan, Washakie | 42 hr |
| Sep 13, 1:18 PM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Lincoln, Natrona, Park and 4 more | 32 hr |
| Sep 13, 2:03 PM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 30 hr |
| Sep 14, 11:38 AM MDT | Red Flag Warning | CYS | 8 hr | |
| Sep 17, 1:46 PM MDT | Red Flag Warning | CYS | 29 hr | |
| Sep 18, 10:48 AM MDT | Red Flag Warning | RIW | Johnson, Natrona | 32 hr |
| Sep 18, 1:23 PM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 31 hr |
| Sep 18, 1:49 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Sep 18, 1:53 PM MDT | Red Flag Warning | BYZ | Big Horn, Johnson, Sheridan, Washakie | 31 hr |
| Sep 20, 7:47 PM MDT | Red Flag Warning | CYS | 23 hr | |
| Sep 23, 3:32 AM MDT | Red Flag Warning | CYS | 40 hr | |
| Sep 23, 1:22 PM MDT | Red Flag Warning | BYZ | Big Horn, Johnson, Sheridan, Washakie | 31 hr |
| Sep 23, 1:55 PM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 30 hr |
| Sep 23, 2:21 PM MDT | Red Flag Warning | RIW | Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 6 more | 53 hr |
| Sep 24, 2:45 AM MDT | Red Flag Warning | CYS | 41 hr | |
| Sep 25, 10:53 AM MDT | Red Flag Warning | BYZ | Sheridan | 33 hr |
| Sep 25, 1:58 PM MDT | Red Flag Warning | UNR | Campbell, Crook | 27 hr |
| Sep 25, 7:54 PM MDT | Red Flag Warning | CYS | 21 hr | |
| Sep 29, 1:58 PM MDT | Red Flag Warning | RIW | Natrona | 5 hr |
| Sep 29, 2:05 PM MDT | Red Flag Warning | CYS | 5 hr | |
| Oct 2, 2:41 AM MDT | Red Flag Warning | CYS | 17 hr | |
| Oct 4, 3:28 AM MDT | Red Flag Warning | CYS | 40 hr | |
| Oct 4, 1:33 PM MDT | Red Flag Warning | RIW | Lincoln, Sublette, Sweetwater, Uinta | 29 hr |
| Oct 6, 2:13 AM MDT | Red Flag Warning | CYS | 18 hr | |
| Oct 7, 1:30 PM MDT | Red Flag Warning | UNR | Campbell, Weston | 29 hr |
| Oct 7, 2:03 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Oct 7, 2:05 PM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Lincoln, Natrona, Park and 5 more | 30 hr |
| Oct 9, 1:40 PM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Lincoln, Natrona, Park and 5 more | 30 hr |
| Oct 9, 1:59 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Oct 9, 2:06 PM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 29 hr |
| Oct 12, 1:45 AM MDT | Red Flag Warning | CYS | 16 hr | |
| Oct 12, 3:05 PM MDT | Red Flag Warning | CYS | 27 hr | |
| Dec 9, 2:43 AM MST | Red Flag Warning | UNR | Campbell | 14 hr |
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 archive20192021
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.