Alert archive / Utah / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Utah, 2018
51 severe thunderstorm warnings in 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Severe Thunderstorm Warnings
- 51
- Busiest month
- August37 severe thunderstorm warnings
- Busiest day
- August 22, 201824 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 |
|---|---|---|---|---|
| May 20, 3:05 PM MDT | Severe Thunderstorm Warning | SLC | Salt Lake, Utah | 25 min |
| May 31, 2:32 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 58 min |
| May 31, 4:21 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 24 min |
| Jun 18, 10:41 AM MDT | Severe Thunderstorm Warning | SLC | Salt Lake | 34 min |
| Jun 18, 11:11 AM MDT | Severe Thunderstorm Warning | SLC | Salt Lake, Summit | 49 min |
| Jun 18, 12:12 PM MDT | Severe Thunderstorm Warning | SLC | Morgan, Salt Lake, Summit | 19 min |
| Jul 17, 4:46 PM MDT | Severe Thunderstorm Warning | SLC | Carbon, Emery | 29 min |
| Jul 17, 5:21 PM MDT | Severe Thunderstorm Warning | SLC | Emery | 24 min |
| Jul 22, 5:25 PM MDT | Severe Thunderstorm Warning | SLC | Piute, Sevier | 35 min |
| Jul 23, 4:04 PM MDT | Severe Thunderstorm Warning | SLC | Carbon, Duchesne | 41 min |
| Jul 23, 4:28 PM MDT | Severe Thunderstorm Warning | GJT | Uintah | 32 min |
| Jul 23, 4:57 PM MDT | Severe Thunderstorm Warning | SLC | Garfield | 33 min |
| Aug 2, 5:46 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 44 min |
| Aug 3, 4:45 PM MDT | Severe Thunderstorm Warning | GJT | Grand | 30 min |
| Aug 3, 5:11 PM MDT | Severe Thunderstorm Warning | GJT | Grand | 34 min |
| Aug 11, 2:58 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, Iron | 32 min |
| Aug 11, 4:35 PM MDT | Severe Thunderstorm Warning | SLC | Beaver, Iron | 25 min |
| Aug 11, 6:53 PM MDT | Severe Thunderstorm Warning | SLC | Washington | 37 min |
| Aug 21, 11:14 AM MDT | Severe Thunderstorm Warning | GJT | Grand, Uintah | 46 min |
| Aug 21, 11:47 AM MDT | Severe Thunderstorm Warning | SLC | Kane | 28 min |
| Aug 21, 11:53 AM MDT | Severe Thunderstorm Warning | GJT | Grand | 37 min |
| Aug 21, 12:47 PM MDT | Severe Thunderstorm Warning | SLC | Kane | 28 min |
| Aug 21, 12:56 PM MDT | Severe Thunderstorm Warning | SLC | Kane | 34 min |
| Aug 21, 6:29 PM MDT | Severe Thunderstorm Warning | SLC | Tooele, Utah | 31 min |
| Aug 21, 6:58 PM MDT | Severe Thunderstorm Warning | SLC | Tooele, Utah | 32 min |
| Aug 22, 8:16 AM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Cache | 29 min |
| Aug 22, 8:17 AM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 43 min |
| Aug 22, 8:52 AM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 38 min |
| Aug 22, 9:28 AM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Cache | 32 min |
| Aug 22, 1:24 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Morgan | 36 min |
| Aug 22, 1:26 PM MDT | Severe Thunderstorm Warning | SLC | Juab, Tooele | 34 min |
| Aug 22, 1:46 PM MDT | Severe Thunderstorm Warning | SLC | Utah, Wasatch | 44 min |
| Aug 22, 1:58 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Morgan | 15 min |
| Aug 22, 1:58 PM MDT | Severe Thunderstorm Warning | SLC | Juab, Tooele, Utah | 47 min |
| Aug 22, 2:05 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Davis, Tooele | 25 min |
| Aug 22, 2:22 PM MDT | Severe Thunderstorm Warning | SLC | Morgan, Summit | 23 min |
| Aug 22, 2:28 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Weber | 32 min |
| Aug 22, 2:48 PM MDT | Severe Thunderstorm Warning | SLC | Juab, Tooele, Utah | 42 min |
| Aug 22, 2:57 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Morgan, Weber | 33 min |
| Aug 22, 3:22 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Morgan, Salt Lake | 23 min |
| Aug 22, 3:40 PM MDT | Severe Thunderstorm Warning | SLC | Morgan, Rich, Summit | 35 min |
| Aug 22, 4:08 PM MDT | Severe Thunderstorm Warning | SLC | Morgan, Weber | 37 min |
| Aug 22, 4:15 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 30 min |
| Aug 22, 4:19 PM MDT | Severe Thunderstorm Warning | GJT | Uintah | 56 min |
| Aug 22, 5:05 PM MDT | Severe Thunderstorm Warning | SLC | Duchesne | 25 min |
| Aug 22, 5:17 PM MDT | Severe Thunderstorm Warning | GJT | Daggett, Uintah | 28 min |
| Aug 22, 5:54 PM MDT | Severe Thunderstorm Warning | GJT | Uintah | 51 min |
| Aug 22, 6:39 PM MDT | Severe Thunderstorm Warning | SLC | Utah | 36 min |
| Aug 23, 12:08 AM MDT | Severe Thunderstorm Warning | SLC | Juab, Sanpete, Utah | 45 min |
| Oct 2, 7:32 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 28 min |
| Oct 3, 6:22 PM MDT | Severe Thunderstorm Warning | SLC | Washington | 23 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Utah County8
- Box Elder County8
- Morgan County8
- Tooele County8
- Davis County6
- Salt Lake County5
- Uintah County5
- Summit County4
- Grand County4
- Juab County4
- Kane County3
- Weber County3
- Carbon County2
- Emery County2
- Duchesne County2
- Garfield County2
- Iron County2
- Washington County2
- Cache County2
- Piute County1
- Sevier County1
- Beaver County1
- Wasatch County1
- Rich County1
- Daggett County1
- Sanpete County1
The busiest days
Days with the most alerts issued, by UTC date.
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.