Weather alerts in Utah
17,588 weather alerts since 1986, 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 since 1986. Tap one for its archive.
- Alerts
- 17,588
- Warnings
- 7,154
- Watches
- 1,604
- Advisories
- 3,176
- Busiest year
- 20221,343 alerts
- Average year
- 429over 41 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 product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- San Juan County2,533
- Grand County2,427
- Uintah County1,873
- Washington County1,868
- Kane County1,760
- Salt Lake County1,704
- Box Elder County1,575
- Garfield County1,526
- Tooele County1,512
- Utah County1,380
- Davis County1,366
- Iron County1,230
- Emery County1,218
- Weber County1,163
- Wayne County1,159
- Daggett County1,069
- Juab County1,064
- Duchesne County1,001
- Cache County999
- Carbon County983
- Morgan County907
- Millard County872
- Wasatch County849
- Beaver County844
- Summit County820
- Sanpete County816
- Sevier County809
- Rich County802
- Piute County623
The latest warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 4:11 PM MDT | Severe Thunderstorm Warning | SLC | Salt Lake, Utah | 16 min |
| Sep 22, 4:05 PM MDT | Severe Thunderstorm Warning | SLC | Salt Lake, Utah | 25 min |
| Sep 22, 3:25 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Tooele | 23 min |
| Sep 22, 2:17 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 28 min |
| Sep 18, 5:15 PM MDT | Severe Thunderstorm Warning | GJT | Uintah | 30 min |
| Sep 18, 4:52 PM MDT | Flash Flood Warning | GJT | Uintah | 5 hr |
| Sep 18, 4:41 PM MDT | Severe Thunderstorm Warning | GJT | Uintah | 34 min |
| Sep 18, 3:58 PM MDT | Severe Thunderstorm Warning | GJT | Uintah | 47 min |
| Sep 18, 3:24 PM MDT | Severe Thunderstorm Warning | GJT | Uintah | 36 min |
| Sep 18, 3:04 PM MDT | Severe Thunderstorm Warning | SLC | Carbon | 26 min |
| Sep 18, 2:58 PM MDT | Severe Thunderstorm Warning | GJT | Grand | 32 min |
| Sep 18, 2:31 PM MDT | Severe Thunderstorm Warning | SLC | Cache, Morgan, Rich, Weber | 29 min |
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.