Alert archive / Utah / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Utah, 2017
39 severe thunderstorm warnings in 2017. 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Severe Thunderstorm Warnings
- 39
- Busiest month
- July13 severe thunderstorm warnings
- Busiest day
- May 6, 20173 severe thunderstorm 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 |
|---|---|---|---|---|
| Apr 8, 3:34 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Morgan, Weber | 26 min |
| May 6, 2:41 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Davis, Weber | 49 min |
| May 6, 3:28 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Cache | 47 min |
| May 6, 3:54 PM MDT | Severe Thunderstorm Warning | SLC | Emery, Wayne | 25 min |
| May 7, 5:47 PM MDT | Severe Thunderstorm Warning | GJT | Uintah | 28 min |
| May 8, 3:27 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Morgan | 33 min |
| May 8, 4:09 PM MDT | Severe Thunderstorm Warning | SLC | Rich | 21 min |
| May 8, 5:37 PM MDT | Severe Thunderstorm Warning | SLC | Salt Lake, Utah | 23 min |
| May 9, 8:20 AM MDT | Severe Thunderstorm Warning | GJT | San Juan | 25 min |
| May 24, 5:44 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 46 min |
| May 24, 6:28 PM MDT | Severe Thunderstorm Warning | SLC | Salt Lake, Tooele | 32 min |
| May 24, 6:47 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake, Tooele | 28 min |
| May 24, 7:13 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Morgan, Salt Lake, Weber | 32 min |
| Jun 20, 3:15 PM MDT | Severe Thunderstorm Warning | SLC | Juab, Tooele | 75 min |
| Jun 20, 4:27 PM MDT | Severe Thunderstorm Warning | SLC | Juab, Tooele | 63 min |
| Jul 5, 3:41 PM MDT | Severe Thunderstorm Warning | SLC | Morgan, Summit | 34 min |
| Jul 17, 4:23 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Tooele | 37 min |
| Jul 17, 5:32 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Davis, Tooele, Weber | 43 min |
| Jul 17, 6:05 PM MDT | Severe Thunderstorm Warning | SLC | Salt Lake, Tooele | 40 min |
| Jul 18, 6:13 PM MDT | Severe Thunderstorm Warning | SLC | Iron | 32 min |
| Jul 19, 2:43 PM MDT | Severe Thunderstorm Warning | SLC | Utah, Wasatch | 32 min |
| Jul 20, 4:23 PM MDT | Severe Thunderstorm Warning | SLC | Duchesne | 37 min |
| Jul 20, 4:33 PM MDT | Severe Thunderstorm Warning | SLC | Carbon | 27 min |
| Jul 20, 7:26 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 49 min |
| Jul 25, 4:55 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 50 min |
| Jul 25, 5:37 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 23 min |
| Jul 25, 7:28 PM MDT | Severe Thunderstorm Warning | GJT | Uintah | 15 min |
| Jul 26, 8:42 PM MDT | Severe Thunderstorm Warning | SLC | Tooele, Utah | 33 min |
| Aug 5, 5:20 PM MDT | Severe Thunderstorm Warning | GJT | Uintah | 25 min |
| Aug 5, 5:40 PM MDT | Severe Thunderstorm Warning | GJT | Grand, Uintah | 31 min |
| Aug 5, 6:14 PM MDT | Severe Thunderstorm Warning | GJT | Grand | 31 min |
| Aug 7, 3:38 PM MDT | Severe Thunderstorm Warning | SLC | Rich | 37 min |
| Aug 8, 3:26 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 49 min |
| Aug 8, 3:55 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 35 min |
| Aug 9, 4:45 PM MDT | Severe Thunderstorm Warning | SLC | Juab, Tooele | 30 min |
| Aug 12, 3:15 PM MDT | Severe Thunderstorm Warning | SLC | Kane, San Juan | 30 min |
| Sep 14, 2:52 PM MDT | Severe Thunderstorm Warning | SLC | Emery, Garfield, Wayne | 38 min |
| Sep 14, 4:10 PM MDT | Severe Thunderstorm Warning | GJT | Grand, San Juan | 35 min |
| Sep 15, 3:37 PM MDT | Severe Thunderstorm Warning | GJT | Grand, San Juan | 23 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Tooele County11
- Davis County6
- Box Elder County6
- San Juan County6
- Salt Lake County5
- Morgan County4
- Weber County4
- Uintah County4
- Grand County4
- Utah County3
- Juab County3
- Emery County2
- Wayne County2
- Rich County2
- Cache County1
- Summit County1
- Iron County1
- Wasatch County1
- Duchesne County1
- Carbon County1
- Kane County1
- Garfield County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.