Alert archive / Utah / Red Flag Warnings / 2018
Red Flag Warnings in Utah, September 2018
18 red flag warnings in September 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 September 2018. Tap one for its archive.
- Red Flag Warnings
- 18
- Busiest day
- September 10, 20184 red flag warnings
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 |
|---|---|---|---|---|
| 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.
- Cache County8
- Morgan County8
- Rich County8
- Salt Lake County8
- Summit County8
- Utah County8
- Wasatch County8
- Weber County8
- Daggett County8
- Grand County8
- Uintah County8
- Carbon County7
- Emery County7
- Sanpete County7
- Duchesne County6
- Juab County6
- Millard County6
- San Juan County6
- Washington County6
- Beaver County5
- Garfield County5
- Iron County5
- Sevier County5
- Wayne County5
- Box Elder County4
- Davis County4
- Kane County4
- Tooele County4
- Piute County3
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. Rebuilt daily.