Alert archive / Utah / 2018
Weather alerts in Utah, September 2018
33 weather alerts in September 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in September 2018. Tap one for its archive.
- Alerts
- 33
- Warnings
- 19
- Watches
- 12
- Advisories
- 1
- Busiest day
- September 10, 20185 alerts
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 |
|---|---|---|---|---|
| Aug 31, 6:00 PM MDT | Special Weather Statement | GJT | Grand | 45 min |
| Sep 9, 1:56 PM MDT | Fire Weather Watch | GJT | Daggett, Grand, Uintah | 24 hr |
| Sep 9, 2:28 PM MDT | Fire Weather Watch | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 18 more | 37 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 | Fire Weather Watch | GJT | Daggett, Grand, Uintah | 25 hr |
| 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 13, 3:51 PM MDT | Fire Weather Watch | GJT | Daggett, Grand, Uintah | 12 hr |
| Sep 14, 2:07 AM MDT | Fire Weather Watch | SLC | Garfield, Kane, San Juan, Washington, Wayne | 12 hr |
| Sep 14, 3:31 AM MDT | Red Flag Warning | GJT | Daggett, Grand, Uintah | 41 hr |
| Sep 14, 2:26 PM MDT | Wind Advisory | SLC | 32 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 16, 2:36 PM MDT | Fire Weather Watch | SLC | Beaver, Iron, Juab, Millard, Sanpete, Washington | 22 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 20, 2:46 PM MDT | Fire Weather Watch | SLC | Cache, Morgan, Rich, Salt Lake, Summit, Utah and 2 more | 21 hr |
| Sep 21, 3:43 AM MDT | Fire Weather Watch | GJT | Grand, Uintah | 35 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 24, 2:42 PM MDT | Hard Freeze Warning | SLC | 18 hr | |
| Sep 26, 2:40 PM MDT | Fire Weather Watch | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 18 more | 37 hr |
| Sep 27, 3:48 AM MDT | Fire Weather Watch | 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 |
| Sep 29, 3:09 PM MDT | Flash Flood Watch | SLC | 4 days | |
| Sep 30, 2:58 PM MDT | Flash Flood Watch | GJT | Grand, San Juan | 54 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Special Weather Statement | 1 |
| Flooding | |
| Flash Flood Watch | 2 |
| Cold | |
| Hard Freeze Warning | 1 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 18 |
| Fire Weather Watch | 10 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Grand County15
- Uintah County13
- Daggett County12
- Cache County11
- Morgan County11
- Rich County11
- Salt Lake County11
- Summit County11
- Utah County11
- Wasatch County11
- Weber County11
- Sanpete County10
- Washington County10
- Carbon County9
- Emery County9
- Juab County9
- Millard County9
- Beaver County8
- Duchesne County8
- Garfield County8
- Iron County8
- Wayne County8
- San Juan County8
- Sevier County7
- Box Elder County6
- Davis County6
- Tooele County6
- Piute County5
- Kane County5
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.