Alert archive / Utah / Red Flag Warnings
Red Flag Warnings in Utah, 2020
87 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
- 87
- Busiest month
- June19 red flag warnings
- Busiest day
- May 17, 20203 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 |
|---|---|---|---|---|
| May 15, 3:25 PM MDT | Red Flag Warning | SLC | Beaver, Garfield, Iron, Kane, San Juan, Washington and 1 more | 4 days |
| May 16, 7:21 PM MDT | Red Flag Warning | GJT | Grand | 26 hr |
| May 17, 3:34 AM MDT | Red Flag Warning | GJT | Grand | 44 hr |
| May 17, 2:50 PM MDT | Red Flag Warning | GJT | Grand | 57 hr |
| May 19, 2:15 PM MDT | Red Flag Warning | GJT | Grand | 30 hr |
| May 21, 10:55 AM MDT | Red Flag Warning | SLC | Garfield, Kane, San Juan, Washington, Wayne | 34 hr |
| May 21, 2:03 PM MDT | Red Flag Warning | GJT | Grand | 31 hr |
| May 22, 2:22 PM MDT | Red Flag Warning | GJT | Grand | 31 hr |
| May 28, 3:05 PM MDT | Red Flag Warning | SLC | Beaver, Carbon, Emery, Garfield, Iron, Juab and 6 more | 4 days |
| May 30, 2:44 PM MDT | Red Flag Warning | GJT | Grand | 29 hr |
| Jun 1, 2:12 AM MDT | Red Flag Warning | GJT | Grand, Uintah | 18 hr |
| Jun 4, 2:41 AM MDT | Red Flag Warning | GJT | Daggett, Grand, San Juan, Uintah | 41 hr |
| Jun 4, 12:24 PM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Carbon, Davis, Duchesne, Emery and 12 more | 33 hr |
| Jun 6, 2:36 PM MDT | Red Flag Warning | GJT | Grand, San Juan | 31 hr |
| Jun 6, 8:49 PM MDT | Red Flag Warning | SLC | Garfield, Kane, San Juan, Washington, Wayne | 24 hr |
| Jun 7, 1:46 PM MDT | Red Flag Warning | GJT | Grand, San Juan | 30 hr |
| Jun 7, 3:08 PM MDT | Red Flag Warning | SLC | Garfield, Kane, San Juan, Washington, Wayne | 29 hr |
| Jun 11, 3:18 AM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Davis, Garfield, Iron, Juab and 9 more | 66 hr |
| Jun 12, 1:57 AM MDT | Red Flag Warning | GJT | Grand, San Juan, Uintah | 44 hr |
| Jun 13, 3:46 AM MDT | Red Flag Warning | GJT | Grand, San Juan, Uintah | 40 hr |
| Jun 14, 12:51 PM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Carbon, Davis, Emery, Garfield and 11 more | 56 hr |
| Jun 14, 2:27 PM MDT | Red Flag Warning | GJT | Grand, San Juan, Uintah | 31 hr |
| Jun 14, 2:27 PM MDT | Red Flag Warning | GJT | Grand, San Juan, Uintah | 55 hr |
| Jun 16, 3:02 AM MDT | Red Flag Warning | GJT | Grand, San Juan | 41 hr |
| Jun 17, 9:18 AM MDT | Red Flag Warning | SLC | Garfield, Kane, San Juan, Washington, Wayne | 11 hr |
| Jun 26, 1:55 PM MDT | Red Flag Warning | GJT | Grand, San Juan, Uintah | 55 hr |
| Jun 26, 2:33 PM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Carbon, Davis, Duchesne, Emery and 12 more | 3 days |
| Jun 27, 2:22 PM MDT | Red Flag Warning | GJT | Grand, San Juan | 55 hr |
| Jun 30, 2:25 PM MDT | Red Flag Warning | SLC | Beaver, Iron, Juab, Millard, Sanpete, Washington | 55 hr |
| Jul 2, 2:03 PM MDT | Red Flag Warning | SLC | Beaver, Carbon, Duchesne, Emery, Garfield, Iron and 9 more | 31 hr |
| Jul 5, 12:19 PM MDT | Red Flag Warning | SLC | Beaver, Carbon, Duchesne, Emery, Garfield, Iron and 9 more | 60 hr |
| Jul 5, 1:52 PM MDT | Red Flag Warning | GJT | Daggett, Grand, San Juan, Uintah | 55 hr |
| Jul 6, 2:19 PM MDT | Red Flag Warning | SLC | Beaver, Garfield, Iron, Kane, Millard, Piute and 4 more | 55 hr |
| Jul 6, 2:23 PM MDT | Red Flag Warning | GJT | Grand, San Juan | 55 hr |
| Jul 9, 7:59 AM MDT | Red Flag Warning | SLC | Garfield, Iron, Kane, San Juan, Washington, Wayne | 13 hr |
| Jul 11, 2:12 PM MDT | Red Flag Warning | GJT | Daggett, Grand, San Juan, Uintah | 55 hr |
| Jul 11, 2:16 PM MDT | Red Flag Warning | SLC | Beaver, Carbon, Duchesne, Emery, Garfield, Iron and 11 more | 3 days |
| Jul 12, 1:48 PM MDT | Red Flag Warning | GJT | Daggett, Grand, San Juan, Uintah | 54 hr |
| Jul 14, 2:46 AM MDT | Red Flag Warning | SLC | Washington | 18 hr |
| Jul 16, 3:28 AM MDT | Red Flag Warning | SLC | Beaver, Carbon, Emery, Garfield, Iron, Kane and 7 more | 18 hr |
| Jul 20, 2:00 PM MDT | Red Flag Warning | SLC | Beaver, Carbon, Emery, Garfield, Iron, Juab and 9 more | 31 hr |
| Jul 21, 2:48 PM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 11 more | 31 hr |
| Jul 22, 2:24 PM MDT | Red Flag Warning | SLC | Beaver, Iron, Juab, Millard, Sanpete, Washington | 31 hr |
| Jul 28, 2:58 PM MDT | Red Flag Warning | SLC | Duchesne | 31 hr |
| Aug 2, 2:10 PM MDT | Red Flag Warning | SLC | Beaver, Cache, Garfield, Iron, Kane, Morgan and 9 more | 32 hr |
| Aug 4, 3:21 AM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 20 more | 66 hr |
| Aug 4, 2:31 PM MDT | Red Flag Warning | GJT | Daggett, Grand, San Juan, Uintah | 53 hr |
| Aug 6, 3:10 AM MDT | Red Flag Warning | GJT | Daggett, Grand, Uintah | 41 hr |
| Aug 7, 2:11 AM MDT | Red Flag Warning | SLC | Beaver, Carbon, Duchesne, Emery, Garfield, Iron and 6 more | 19 hr |
| Aug 8, 2:29 PM MDT | Red Flag Warning | SLC | Cache, Morgan, Rich, Salt Lake, Summit, Utah and 2 more | 55 hr |
| Aug 10, 2:14 PM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 20 more | 3 days |
| Aug 10, 2:40 PM MDT | Red Flag Warning | GJT | Grand, San Juan | 29 hr |
| Aug 11, 2:05 PM MDT | Red Flag Warning | GJT | Grand, San Juan, Uintah | 30 hr |
| Aug 12, 2:41 PM MDT | Red Flag Warning | GJT | Daggett, Uintah | 29 hr |
| Aug 19, 2:36 PM MDT | Red Flag Warning | SLC | Beaver, Cache, Carbon, Duchesne, Emery, Garfield and 15 more | 30 hr |
| Aug 20, 3:15 AM MDT | Red Flag Warning | GJT | Daggett, Grand, Uintah | 18 hr |
| Aug 22, 2:56 AM MDT | Red Flag Warning | SLC | Beaver, Garfield, Iron, Kane, Millard, Piute and 4 more | 42 hr |
| Aug 22, 2:37 PM MDT | Red Flag Warning | SLC | Beaver, Cache, Carbon, Duchesne, Emery, Garfield and 12 more | 30 hr |
| Aug 27, 3:09 AM MDT | Red Flag Warning | SLC | Beaver, Cache, Duchesne, Garfield, Iron, Juab and 13 more | 17 hr |
| Aug 28, 2:54 PM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 20 more | 3 days |
| Aug 29, 2:21 PM MDT | Red Flag Warning | GJT | Daggett, Grand, Uintah | 31 hr |
| Aug 30, 2:23 AM MDT | Red Flag Warning | GJT | Daggett, Grand, San Juan, Uintah | 43 hr |
| Aug 31, 3:07 PM MDT | Red Flag Warning | SLC | Washington | 27 hr |
| Sep 4, 2:43 PM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 20 more | 4 days |
| Sep 4, 3:28 PM MDT | Red Flag Warning | GJT | Daggett, Grand, Uintah | 3 days |
| Sep 5, 2:30 AM MDT | Red Flag Warning | GJT | Daggett, Grand, Uintah | 67 hr |
| Sep 13, 11:32 AM MDT | Red Flag Warning | SLC | Cache, Morgan, Rich, Salt Lake, Summit, Utah and 2 more | 33 hr |
| Sep 16, 2:49 PM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 20 more | 3 days |
| Sep 18, 1:27 PM MDT | Red Flag Warning | GJT | Grand | 31 hr |
| Sep 23, 11:34 AM MDT | Red Flag Warning | SLC | Beaver, Cache, Carbon, Duchesne, Emery, Garfield and 17 more | 3 days |
| Sep 24, 3:00 AM MDT | Red Flag Warning | GJT | Daggett, Grand, San Juan, Uintah | 41 hr |
| Sep 25, 2:32 PM MDT | Red Flag Warning | GJT | Grand, Uintah | 29 hr |
| Sep 26, 2:58 PM MDT | Red Flag Warning | SLC | Carbon, Emery, Garfield, Washington, Wayne | 51 hr |
| Oct 1, 2:24 PM MDT | Red Flag Warning | SLC | Duchesne, Summit, Wasatch | 32 hr |
| Oct 4, 2:58 PM MDT | Red Flag Warning | SLC | Cache, Carbon, Duchesne, Emery, Morgan, Rich and 7 more | 29 hr |
| Oct 9, 2:13 PM MDT | Red Flag Warning | GJT | Grand, Uintah | 30 hr |
| Oct 9, 2:34 PM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 20 more | 54 hr |
| Oct 13, 3:26 AM MDT | Red Flag Warning | SLC | Duchesne | 18 hr |
| Oct 13, 1:42 PM MDT | Red Flag Warning | SLC | Carbon, Emery, Garfield, Iron, Kane, Washington and 1 more | 31 hr |
| Oct 14, 2:59 PM MDT | Red Flag Warning | SLC | Carbon, Emery, Garfield, Iron, Kane, Washington | 43 hr |
| Oct 17, 2:38 AM MDT | Red Flag Warning | SLC | Carbon, Emery | 18 hr |
| Oct 20, 2:36 PM MDT | Red Flag Warning | SLC | Beaver, Cache, Carbon, Duchesne, Emery, Garfield and 16 more | 54 hr |
| Oct 22, 1:40 AM MDT | Red Flag Warning | GJT | Grand, San Juan | 16 hr |
| Oct 22, 3:15 PM MDT | Red Flag Warning | SLC | Duchesne, Summit, Wasatch | 30 hr |
| Oct 22, 3:15 PM MDT | Red Flag Warning | SLC | Beaver, Carbon, Duchesne, Emery, Garfield, Iron and 7 more | 54 hr |
| Oct 25, 3:02 AM MDT | Red Flag Warning | SLC | Beaver, Garfield, Iron, Juab, Kane, Millard and 4 more | 42 hr |
| Nov 5, 2:39 PM MST | Red Flag Warning | SLC | Beaver, Box Elder, Davis, Iron, Juab, Millard and 5 more | 30 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- San Juan County48
- Washington County42
- Garfield County36
- Grand County36
- Iron County35
- Wayne County35
- Kane County33
- Beaver County32
- Millard County28
- Carbon County27
- Emery County27
- Sanpete County27
- Duchesne County24
- Utah County24
- Juab County22
- Uintah County22
- Salt Lake County21
- Sevier County20
- Wasatch County19
- Piute County18
- Summit County18
- Cache County16
- Morgan County16
- Rich County16
- Weber County16
- Daggett County13
- Box Elder County12
- Davis County12
- Tooele County12
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. Rebuilt daily.