Red Flag Warnings in Utah
806 red flag warnings since 1986. 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 since 1986. Tap one for its archive.
- Red Flag Warnings
- 806
- Busiest year
- 202087 red flag warnings
- Average year
- 38over 21 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- San Juan County281
- Grand County255
- Washington County224
- Garfield County189
- Wayne County181
- Carbon County172
- Emery County172
- Iron County170
- Millard County170
- Beaver County169
- Kane County169
- Sanpete County169
- Uintah County167
- Utah County161
- Salt Lake County145
- Juab County141
- Duchesne County137
- Daggett County126
- Wasatch County124
- Sevier County107
- Box Elder County105
- Davis County105
- Tooele County105
- Piute County94
- Summit County92
- Cache County89
- Morgan County89
- Rich County89
- Weber County89
The latest red flag warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 10:13 AM MDT | Red Flag Warning | SLC | Beaver, Garfield, Iron, Kane, Washington | 11 hr |
| Aug 2, 10:10 PM MDT | Red Flag Warning | GJT | Grand, San Juan | 22 hr |
| Aug 2, 3:21 AM MDT | Red Flag Warning | SLC | Carbon, Emery | 66 hr |
| Aug 1, 11:23 AM MDT | Red Flag Warning | SLC | Beaver, Cache, Carbon, Duchesne, Emery, Garfield and 17 more | 3 days |
| Jul 9, 11:05 AM MDT | Red Flag Warning | SLC | Beaver, Garfield, Iron, Kane, San Juan, Washington and 1 more | 37 hr |
| Jul 7, 6:43 AM MDT | Red Flag Warning | SLC | Beaver, Garfield, Iron, Juab, Kane, Millard and 6 more | 62 hr |
| Jul 1, 12:34 PM MDT | Red Flag Warning | GJT | Grand, San Juan | 31 hr |
| Jun 30, 1:19 PM MDT | Red Flag Warning | GJT | Grand, San Juan | 31 hr |
| Jun 29, 1:32 PM MDT | Red Flag Warning | SLC | Carbon, Emery, Garfield, Wayne | 31 hr |
| Jun 29, 11:43 AM MDT | Red Flag Warning | GJT | Daggett, Grand, San Juan, Uintah | 33 hr |
| Jun 28, 10:04 PM MDT | Red Flag Warning | GJT | Grand, San Juan, Uintah | 22 hr |
| Jun 28, 12:07 AM MDT | Red Flag Warning | GJT | Grand, San Juan | 3 hr |
Nearby
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.