Alert archive / Utah / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Utah, 2010
118 severe thunderstorm warnings in 2010. 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 2010. Tap one for its archive.
- Severe Thunderstorm Warnings
- 118
- Busiest month
- August51 severe thunderstorm warnings
- Busiest day
- October 6, 201016 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 21, 11:04 AM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Davis, Tooele | 41 min |
| Apr 21, 12:59 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake, Utah | 46 min |
| Apr 21, 1:37 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Morgan, Salt Lake | 38 min |
| Apr 21, 2:43 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Cache, Weber | 47 min |
| Apr 21, 3:27 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Cache | 33 min |
| Jun 6, 4:39 PM MDT | Severe Thunderstorm Warning | SLC | Emery | 36 min |
| Jun 6, 4:58 PM MDT | Severe Thunderstorm Warning | SLC | Emery | 32 min |
| Jun 6, 5:21 PM MDT | Severe Thunderstorm Warning | SLC | Emery | 24 min |
| Jun 6, 5:40 PM MDT | Severe Thunderstorm Warning | SLC | Emery | 8 min |
| Jun 6, 7:05 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 40 min |
| Jun 6, 7:43 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 47 min |
| Jun 6, 8:06 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 39 min |
| Jun 6, 8:27 PM MDT | Severe Thunderstorm Warning | SLC | Salt Lake, Utah | 63 min |
| Jun 6, 9:14 PM MDT | Severe Thunderstorm Warning | SLC | Summit, Wasatch | 46 min |
| Jun 7, 3:55 PM MDT | Severe Thunderstorm Warning | SLC | Juab, Millard | 50 min |
| Jun 7, 4:04 PM MDT | Severe Thunderstorm Warning | SLC | Carbon, Emery | 23 min |
| Jun 7, 5:35 PM MDT | Severe Thunderstorm Warning | SLC | Juab, Millard | 40 min |
| Jun 7, 6:09 PM MDT | Severe Thunderstorm Warning | SLC | Carbon, Emery | 51 min |
| Jun 7, 6:43 PM MDT | Severe Thunderstorm Warning | SLC | Duchesne, Sanpete, Utah, Wasatch | 47 min |
| Jun 9, 8:00 PM MDT | Severe Thunderstorm Warning | SLC | Rich, Summit | 30 min |
| Jun 10, 1:48 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Cache | 15 min |
| Jun 10, 2:44 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 33 min |
| Jun 10, 3:12 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake, Tooele | 33 min |
| Jun 10, 3:25 PM MDT | Severe Thunderstorm Warning | SLC | Utah | 27 min |
| Jun 10, 3:49 PM MDT | Severe Thunderstorm Warning | SLC | Utah, Wasatch | 26 min |
| Jun 10, 3:51 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Weber | 23 min |
| Jun 10, 4:02 PM MDT | Severe Thunderstorm Warning | GJT | Uintah | 43 min |
| Jun 10, 4:13 PM MDT | Severe Thunderstorm Warning | SLC | Rich, Summit | 41 min |
| Jun 10, 4:39 PM MDT | Severe Thunderstorm Warning | GJT | Daggett, Uintah | 51 min |
| Jun 12, 10:48 AM MDT | Severe Thunderstorm Warning | SLC | Emery, Wayne | 27 min |
| Jun 12, 2:13 PM MDT | Severe Thunderstorm Warning | SLC | Washington | 47 min |
| Jun 12, 4:07 PM MDT | Severe Thunderstorm Warning | GJT | Uintah | 38 min |
| Jun 15, 5:39 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 36 min |
| Jul 1, 3:40 PM MDT | Severe Thunderstorm Warning | SLC | Duchesne, Wasatch | 65 min |
| Jul 21, 1:16 PM MDT | Severe Thunderstorm Warning | SLC | Cache, Davis, Morgan, Weber | 22 min |
| Jul 21, 2:12 PM MDT | Severe Thunderstorm Warning | GJT | Uintah | 48 min |
| Jul 21, 2:47 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 43 min |
| Jul 21, 2:58 PM MDT | Severe Thunderstorm Warning | GJT | Daggett, Uintah | 47 min |
| Jul 21, 3:32 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 26 min |
| Jul 21, 6:11 PM MDT | Severe Thunderstorm Warning | SLC | Duchesne | 19 min |
| Jul 30, 5:46 PM MDT | Severe Thunderstorm Warning | SLC | Washington | 44 min |
| Jul 31, 2:10 PM MDT | Severe Thunderstorm Warning | SLC | Garfield | 20 min |
| Jul 31, 2:33 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake | 27 min |
| Aug 1, 2:25 PM MDT | Severe Thunderstorm Warning | SLC | Rich | 20 min |
| Aug 1, 4:07 PM MDT | Severe Thunderstorm Warning | SLC | Duchesne | 38 min |
| Aug 3, 2:17 PM MDT | Severe Thunderstorm Warning | GJT | Daggett, Uintah | 43 min |
| Aug 3, 3:43 PM MDT | Severe Thunderstorm Warning | SLC | Piute, Sevier, Wayne | 32 min |
| Aug 3, 4:16 PM MDT | Severe Thunderstorm Warning | SLC | Piute, Wayne | 44 min |
| Aug 3, 5:40 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, Kane | 50 min |
| Aug 3, 7:04 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, Kane | 41 min |
| Aug 3, 7:45 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, Kane | 45 min |
| Aug 4, 11:55 AM MDT | Severe Thunderstorm Warning | GJT | Grand, Uintah | 50 min |
| Aug 4, 12:46 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake, Tooele | 24 min |
| Aug 4, 1:21 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake | 39 min |
| Aug 4, 2:13 PM MDT | Severe Thunderstorm Warning | SLC | Salt Lake, Utah | 32 min |
| Aug 4, 2:20 PM MDT | Severe Thunderstorm Warning | SLC | Emery, Wayne | 40 min |
| Aug 4, 2:22 PM MDT | Severe Thunderstorm Warning | SLC | Emery | 38 min |
| Aug 4, 2:40 PM MDT | Severe Thunderstorm Warning | SLC | Salt Lake, Utah, Wasatch | 50 min |
| Aug 4, 2:58 PM MDT | Severe Thunderstorm Warning | SLC | Emery | 62 min |
| Aug 4, 3:15 PM MDT | Severe Thunderstorm Warning | SLC | Carbon | 19 min |
| Aug 4, 3:54 PM MDT | Severe Thunderstorm Warning | SLC | Emery | 51 min |
| Aug 4, 5:24 PM MDT | Severe Thunderstorm Warning | SLC | Emery | 35 min |
| Aug 4, 6:41 PM MDT | Severe Thunderstorm Warning | SLC | Utah, Wasatch | 34 min |
| Aug 5, 3:55 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 35 min |
| Aug 5, 4:26 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 34 min |
| Aug 5, 4:52 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Tooele | 23 min |
| Aug 5, 4:56 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 49 min |
| Aug 5, 5:04 PM MDT | Severe Thunderstorm Warning | SLC | Kane | 26 min |
| Aug 5, 5:11 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Tooele | 64 min |
| Aug 6, 2:13 PM MDT | Severe Thunderstorm Warning | SLC | Duchesne | 47 min |
| Aug 6, 2:40 PM MDT | Severe Thunderstorm Warning | GJT | Uintah | 50 min |
| Aug 6, 2:59 PM MDT | Severe Thunderstorm Warning | SLC | Duchesne | 31 min |
| Aug 6, 7:14 PM MDT | Severe Thunderstorm Warning | SLC | Rich | 22 min |
| Aug 8, 3:05 PM MDT | Severe Thunderstorm Warning | SLC | Kane | 40 min |
| Aug 8, 3:59 PM MDT | Severe Thunderstorm Warning | SLC | Kane | 46 min |
| Aug 11, 3:25 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, Wayne | 35 min |
| Aug 11, 4:35 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 40 min |
| Aug 16, 2:07 PM MDT | Severe Thunderstorm Warning | SLC | Garfield | 38 min |
| Aug 16, 3:45 PM MDT | Severe Thunderstorm Warning | GJT | Grand | 45 min |
| Aug 18, 2:37 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 38 min |
| Aug 19, 1:18 PM MDT | Severe Thunderstorm Warning | SLC | Emery, Wayne | 27 min |
| Aug 19, 1:28 PM MDT | Severe Thunderstorm Warning | SLC | Garfield | 47 min |
| Aug 19, 1:37 PM MDT | Severe Thunderstorm Warning | GJT | Grand, San Juan | 23 min |
| Aug 19, 1:43 PM MDT | Severe Thunderstorm Warning | SLC | Emery, Wayne | 17 min |
| Aug 19, 1:59 PM MDT | Severe Thunderstorm Warning | GJT | Grand, San Juan | 46 min |
| Aug 19, 2:47 PM MDT | Severe Thunderstorm Warning | SLC | Garfield | 28 min |
| Aug 19, 3:10 PM MDT | Severe Thunderstorm Warning | SLC | Garfield | 50 min |
| Aug 19, 3:59 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, San Juan | 46 min |
| Aug 19, 4:52 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, Kane, San Juan | 24 min |
| Aug 22, 2:27 PM MDT | Severe Thunderstorm Warning | SLC | Cache | 22 min |
| Aug 22, 3:46 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake | 29 min |
| Aug 22, 4:08 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Morgan, Salt Lake | 37 min |
| Aug 22, 4:42 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake, Utah | 33 min |
| Aug 22, 5:27 PM MDT | Severe Thunderstorm Warning | SLC | Carbon, Emery | 33 min |
| Sep 7, 8:32 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 43 min |
| Sep 22, 11:04 AM MDT | Severe Thunderstorm Warning | SLC | Salt Lake, Utah | 26 min |
| Sep 22, 7:25 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, San Juan, Wayne | 35 min |
| Oct 6, 9:18 AM MDT | Severe Thunderstorm Warning | SLC | Kane, San Juan | 42 min |
| Oct 6, 11:12 AM MDT | Severe Thunderstorm Warning | SLC | Kane, San Juan | 48 min |
| Oct 6, 12:02 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, Kane, San Juan | 43 min |
| Oct 6, 12:45 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, San Juan, Wayne | 60 min |
| Oct 6, 1:47 PM MDT | Severe Thunderstorm Warning | SLC | Emery, Wayne | 43 min |
| Oct 6, 1:50 PM MDT | Severe Thunderstorm Warning | SLC | Emery | 40 min |
| Oct 6, 2:29 PM MDT | Severe Thunderstorm Warning | SLC | Emery, Wayne | 46 min |
| Oct 6, 2:29 PM MDT | Severe Thunderstorm Warning | SLC | Emery | 61 min |
| Oct 6, 2:32 PM MDT | Severe Thunderstorm Warning | GJT | Grand | 43 min |
| Oct 6, 2:41 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 49 min |
| Oct 6, 3:12 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 48 min |
| Oct 6, 3:13 PM MDT | Severe Thunderstorm Warning | GJT | Grand | 47 min |
| Oct 6, 3:15 PM MDT | Severe Thunderstorm Warning | GJT | Grand, San Juan | 45 min |
| Oct 6, 3:15 PM MDT | Severe Thunderstorm Warning | SLC | Carbon, Duchesne | 27 min |
| Oct 6, 3:59 PM MDT | Severe Thunderstorm Warning | GJT | Grand, Uintah | 46 min |
| Oct 6, 4:59 PM MDT | Severe Thunderstorm Warning | GJT | Uintah | 46 min |
| Oct 7, 3:38 PM MDT | Severe Thunderstorm Warning | SLC | Emery, Sevier | 52 min |
| Oct 7, 4:45 PM MDT | Severe Thunderstorm Warning | SLC | Carbon, Emery | 45 min |
| Oct 7, 5:30 PM MDT | Severe Thunderstorm Warning | SLC | Carbon, Duchesne | 45 min |
| Oct 7, 6:29 PM MDT | Severe Thunderstorm Warning | GJT | Daggett, Uintah | 61 min |
| Oct 7, 7:35 PM MDT | Severe Thunderstorm Warning | GJT | Daggett, Uintah | 40 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Emery County21
- San Juan County15
- Tooele County14
- Garfield County14
- Salt Lake County13
- Davis County12
- Uintah County12
- Wayne County11
- Utah County10
- Kane County10
- Duchesne County8
- Grand County8
- Box Elder County7
- Carbon County7
- Wasatch County6
- Cache County5
- Daggett County5
- Rich County4
- Morgan County3
- Weber County3
- Summit County3
- Juab County2
- Millard County2
- Washington County2
- Piute County2
- Sevier County2
- Sanpete County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.