Alert archive / Utah / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Utah, 2020
52 severe thunderstorm warnings in 2020. 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 2020. Tap one for its archive.
- Severe Thunderstorm Warnings
- 52
- Busiest month
- June36 severe thunderstorm warnings
- Busiest day
- June 6, 202025 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 2, 1:35 PM MDT | Severe Thunderstorm Warning | SLC | Duchesne | 40 min |
| May 30, 3:08 PM MDT | Severe Thunderstorm Warning | SLC | Salt Lake, Utah | 37 min |
| May 30, 3:12 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 33 min |
| May 30, 3:35 PM MDT | Severe Thunderstorm Warning | SLC | Millard | 25 min |
| May 30, 3:44 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Weber | 61 min |
| May 30, 4:22 PM MDT | Severe Thunderstorm Warning | SLC | Cache, Rich | 38 min |
| May 30, 5:06 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake, Tooele, Utah | 24 min |
| May 30, 5:09 PM MDT | Severe Thunderstorm Warning | SLC | Juab, Millard, Tooele | 51 min |
| May 30, 5:13 PM MDT | Severe Thunderstorm Warning | SLC | Rich | 32 min |
| May 30, 5:29 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake, Tooele | 31 min |
| May 30, 5:43 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 62 min |
| May 30, 5:49 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Tooele | 56 min |
| Jun 5, 5:32 PM MDT | Severe Thunderstorm Warning | SLC | Rich, Summit | 73 min |
| Jun 5, 5:50 PM MDT | Severe Thunderstorm Warning | SLC | Juab, Tooele, Utah, Wasatch | 40 min |
| Jun 5, 6:06 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake, Tooele, Utah | 54 min |
| Jun 5, 6:33 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake, Weber | 42 min |
| Jun 5, 6:56 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Davis, Tooele, Weber | 19 min |
| Jun 5, 7:27 PM MDT | Severe Thunderstorm Warning | GJT | Grand | 33 min |
| Jun 5, 7:36 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 58 min |
| Jun 5, 7:41 PM MDT | Severe Thunderstorm Warning | GJT | Grand | 34 min |
| Jun 6, 9:29 AM MDT | Severe Thunderstorm Warning | GJT | San Juan | 31 min |
| Jun 6, 9:39 AM MDT | Severe Thunderstorm Warning | GJT | San Juan | 36 min |
| Jun 6, 9:51 AM MDT | Severe Thunderstorm Warning | SLC | Garfield, Wayne | 39 min |
| Jun 6, 9:54 AM MDT | Severe Thunderstorm Warning | GJT | San Juan | 36 min |
| Jun 6, 10:09 AM MDT | Severe Thunderstorm Warning | GJT | San Juan | 36 min |
| Jun 6, 10:24 AM MDT | Severe Thunderstorm Warning | GJT | San Juan | 36 min |
| Jun 6, 10:24 AM MDT | Severe Thunderstorm Warning | GJT | Grand | 36 min |
| Jun 6, 10:33 AM MDT | Severe Thunderstorm Warning | GJT | Grand, San Juan | 42 min |
| Jun 6, 10:53 AM MDT | Severe Thunderstorm Warning | GJT | Grand, San Juan | 22 min |
| Jun 6, 11:18 AM MDT | Severe Thunderstorm Warning | GJT | Grand, San Juan | 27 min |
| Jun 6, 11:19 AM MDT | Severe Thunderstorm Warning | GJT | Grand, Uintah | 41 min |
| Jun 6, 11:35 AM MDT | Severe Thunderstorm Warning | GJT | Grand | 25 min |
| Jun 6, 11:55 AM MDT | Severe Thunderstorm Warning | GJT | Uintah | 50 min |
| Jun 6, 12:34 PM MDT | Severe Thunderstorm Warning | GJT | Daggett, Uintah | 41 min |
| Jun 6, 1:00 PM MDT | Severe Thunderstorm Warning | GJT | Grand | 30 min |
| Jun 6, 1:24 PM MDT | Severe Thunderstorm Warning | GJT | Grand | 51 min |
| Jun 6, 2:28 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 47 min |
| Jun 6, 3:31 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 29 min |
| Jun 6, 3:51 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 24 min |
| Jun 7, 9:40 AM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Cache, Weber | 35 min |
| Jun 7, 10:09 AM MDT | Severe Thunderstorm Warning | SLC | Cache, Rich | 36 min |
| Jun 7, 11:53 AM MDT | Severe Thunderstorm Warning | SLC | Rich, Summit | 37 min |
| Jun 16, 2:23 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 22 min |
| Jun 16, 2:39 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 21 min |
| Jun 26, 4:24 PM MDT | Severe Thunderstorm Warning | GJT | Grand | 36 min |
| Jun 27, 9:52 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 23 min |
| Jun 28, 4:08 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake, Tooele | 22 min |
| Jun 28, 4:25 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 65 min |
| Jul 22, 6:45 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, San Juan | 30 min |
| Jul 23, 6:06 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 39 min |
| Jul 27, 8:23 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Tooele | 37 min |
| Aug 30, 2:58 PM MDT | Severe Thunderstorm Warning | GJT | Grand, Uintah | 47 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.