Alert archive / Utah / Red Flag Warnings
Red Flag Warnings in Utah, 2018
58 red flag warnings in 2018. 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 2018. Tap one for its archive.
- Red Flag Warnings
- 58
- Busiest month
- June20 red flag warnings
- Busiest day
- September 10, 20184 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 25, 1:52 AM MDT | Red Flag Warning | GJT | Grand, San Juan | 44 hr |
| May 29, 2:32 PM MDT | Red Flag Warning | SLC | Carbon, Duchesne, Emery, Garfield, Kane, San Juan and 2 more | 55 hr |
| May 30, 4:30 AM MDT | Red Flag Warning | GJT | Daggett, Grand, San Juan, Uintah | 42 hr |
| May 31, 4:31 AM MDT | Red Flag Warning | GJT | Daggett, Grand, Uintah | 41 hr |
| Jun 7, 3:34 AM MDT | Red Flag Warning | SLC | Carbon, Emery | 17 hr |
| Jun 7, 3:10 PM MDT | Red Flag Warning | SLC | Beaver, Carbon, Duchesne, Emery, Garfield, Iron and 7 more | 3 days |
| Jun 8, 4:20 AM MDT | Red Flag Warning | GJT | Daggett, Grand, San Juan, Uintah | 41 hr |
| Jun 8, 10:50 AM MDT | Red Flag Warning | GJT | Daggett, Grand, San Juan, Uintah | 59 hr |
| Jun 12, 3:03 PM MDT | Red Flag Warning | SLC | Beaver, Carbon, Duchesne, Emery, Garfield, Iron and 9 more | 3 days |
| Jun 13, 3:02 AM MDT | Red Flag Warning | GJT | Daggett, Grand, San Juan, Uintah | 42 hr |
| Jun 14, 3:48 AM MDT | Red Flag Warning | GJT | Daggett, Grand, San Juan, Uintah | 41 hr |
| Jun 16, 11:50 PM MDT | Red Flag Warning | SLC | Beaver, Garfield, Iron, Kane, San Juan, Washington and 1 more | 22 hr |
| Jun 18, 2:10 AM MDT | Red Flag Warning | GJT | Grand, Uintah | 18 hr |
| Jun 18, 3:25 AM MDT | Red Flag Warning | SLC | Carbon, Duchesne, Emery, Garfield, Wayne | 19 hr |
| Jun 20, 3:09 PM MDT | Red Flag Warning | SLC | Beaver, Carbon, Duchesne, Emery, Garfield, Iron and 9 more | 3 days |
| Jun 21, 2:25 PM MDT | Red Flag Warning | GJT | Daggett, Grand, San Juan, Uintah | 31 hr |
| Jun 21, 2:50 PM MDT | Red Flag Warning | SLC | Beaver, Garfield, Iron, Kane, Millard, Piute and 4 more | 56 hr |
| Jun 22, 3:14 PM MDT | Red Flag Warning | GJT | Grand, San Juan, Uintah | 30 hr |
| Jun 26, 9:43 AM MDT | Red Flag Warning | SLC | Duchesne | 10 hr |
| Jun 26, 12:58 PM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Carbon, Davis, Duchesne, Emery and 15 more | 4 days |
| Jun 26, 2:41 PM MDT | Red Flag Warning | GJT | Grand, Uintah | 24 hr |
| Jun 27, 4:43 AM MDT | Red Flag Warning | GJT | Daggett, Grand, San Juan, Uintah | 41 hr |
| Jun 27, 2:34 PM MDT | Red Flag Warning | GJT | Grand, Uintah | 5 hr |
| Jun 28, 3:54 AM MDT | Red Flag Warning | GJT | Daggett, Grand, San Juan, Uintah | 41 hr |
| Jul 1, 2:30 PM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 20 more | 4 days |
| Jul 2, 2:56 PM MDT | Red Flag Warning | GJT | Daggett, Grand, Uintah | 29 hr |
| Jul 4, 3:41 AM MDT | Red Flag Warning | SLC | Duchesne | 20 hr |
| Jul 5, 3:03 PM MDT | Red Flag Warning | SLC | Beaver, Carbon, Emery, Garfield, Iron, Kane and 7 more | 30 hr |
| Jul 6, 3:15 PM MDT | Red Flag Warning | SLC | Beaver, Carbon, Emery, Garfield, Iron, Kane and 7 more | 30 hr |
| Jul 28, 9:23 AM MDT | Red Flag Warning | SLC | Beaver, Cache, Carbon, Duchesne, Emery, Garfield and 12 more | 36 hr |
| Jul 28, 3:00 PM MDT | Red Flag Warning | SLC | Carbon, Duchesne, Emery, Wasatch | 30 hr |
| Jul 29, 3:04 AM MDT | Red Flag Warning | GJT | Daggett, Grand, Uintah | 17 hr |
| Aug 3, 3:08 AM MDT | Red Flag Warning | SLC | Box Elder, Cache, Davis, Morgan, Rich, Salt Lake and 5 more | 42 hr |
| Aug 5, 9:41 AM MDT | Red Flag Warning | SLC | Cache, Duchesne, Morgan, Rich, Salt Lake, Summit and 3 more | 11 hr |
| Aug 17, 2:22 PM MDT | Red Flag Warning | SLC | Carbon, Duchesne, Emery, Wasatch | 34 hr |
| Aug 19, 2:41 PM MDT | Red Flag Warning | SLC | Box Elder, Cache, Davis, Juab, Millard, Morgan and 8 more | 31 hr |
| Aug 25, 9:49 AM MDT | Red Flag Warning | SLC | Box Elder, Davis, Juab, Millard, Salt Lake, Sanpete and 2 more | 35 hr |
| Aug 27, 9:44 AM MDT | Red Flag Warning | GJT | Grand | 11 hr |
| Aug 29, 11:42 AM MDT | Red Flag Warning | GJT | Grand, San Juan | 32 hr |
| Aug 29, 2:54 PM MDT | Red Flag Warning | SLC | Beaver, Cache, Iron, Juab, Millard, Morgan and 8 more | 30 hr |
| Sep 10, 3:23 AM MDT | Red Flag Warning | SLC | Cache, Morgan, Rich, Salt Lake, Summit, Utah and 2 more | 18 hr |
| Sep 10, 1:19 PM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 20 more | 5 days |
| Sep 10, 1:38 PM MDT | Red Flag Warning | GJT | Daggett, Grand, Uintah | 30 hr |
| Sep 10, 1:38 PM MDT | Red Flag Warning | GJT | Daggett, Grand, San Juan, Uintah | 55 hr |
| Sep 11, 2:32 PM MDT | Red Flag Warning | GJT | Daggett, Grand, San Juan, Uintah | 54 hr |
| Sep 12, 2:17 PM MDT | Red Flag Warning | GJT | Daggett, Grand, Uintah | 55 hr |
| Sep 14, 3:31 AM MDT | Red Flag Warning | GJT | Daggett, Grand, Uintah | 41 hr |
| Sep 14, 2:33 PM MDT | Red Flag Warning | SLC | Garfield, Kane, San Juan, Washington, Wayne | 31 hr |
| Sep 14, 2:33 PM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Emery and 15 more | 54 hr |
| Sep 15, 11:48 AM MDT | Red Flag Warning | SLC | Duchesne | 10 hr |
| Sep 17, 12:46 PM MDT | Red Flag Warning | SLC | Beaver, Cache, Carbon, Emery, Iron, Juab and 11 more | 32 hr |
| Sep 17, 12:46 PM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 20 more | 3 days |
| Sep 18, 1:30 PM MDT | Red Flag Warning | GJT | Daggett, Grand, Uintah | 30 hr |
| Sep 21, 12:03 PM MDT | Red Flag Warning | SLC | Cache, Carbon, Duchesne, Emery, Juab, Millard and 8 more | 3 days |
| Sep 23, 2:05 PM MDT | Red Flag Warning | GJT | Daggett, Grand, Uintah | 24 hr |
| Sep 27, 2:40 PM MDT | Red Flag Warning | SLC | Cache, Carbon, Duchesne, Emery, Morgan, Rich and 7 more | 28 hr |
| Sep 28, 3:24 AM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 20 more | 66 hr |
| Sep 28, 3:50 AM MDT | Red Flag Warning | GJT | Daggett, Grand, Uintah | 40 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Grand County26
- San Juan County25
- Uintah County23
- Carbon County20
- Emery County20
- Utah County20
- Duchesne County19
- Daggett County19
- Millard County18
- Garfield County17
- Washington County17
- Wayne County17
- Sanpete County17
- Wasatch County17
- Beaver County16
- Salt Lake County16
- Iron County15
- Kane County14
- Sevier County14
- Cache County14
- Morgan County14
- Rich County14
- Summit County14
- Weber County14
- Piute County12
- Juab County11
- Box Elder County9
- Davis County9
- Tooele County9
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.