Alert archive / Utah / Box Elder County
Weather alerts in Box Elder County, Utah, 2021
113 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Box Elder County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 113
- Warnings
- 43
- Watches
- 15
- Advisories
- 24
- Busiest month
- September19 alerts
- Busiest day
- September 12, 20219 alerts
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 | Lasted |
|---|---|---|---|
| Jan 5, 12:08 AM MST | Special Weather Statement | SLC | 82 min |
| Feb 26, 3:30 PM MST | Mesoscale Discussion | SPC | 2 hr |
| Feb 26, 4:38 PM MST | Snow Squall Warning | SLC | 52 min |
| Feb 26, 5:30 PM MST | Snow Squall Warning | SLC | 45 min |
| Apr 8, 4:27 AM MDT | Wind Advisory | SLC | 23 hr |
| Apr 12, 2:47 AM MDT | Wind Advisory | SLC | 33 hr |
| Apr 12, 8:12 PM MDT | High Wind Watch | SLC | 7 hr |
| Apr 13, 2:47 AM MDT | High Wind Warning | SLC | 33 hr |
| Apr 18, 2:59 AM MDT | Hard Freeze Watch | SLC | 12 hr |
| Apr 18, 2:59 AM MDT | Wind Advisory | SLC | 42 hr |
| Apr 18, 3:16 PM MDT | Hard Freeze Warning | SLC | 43 hr |
| Apr 24, 3:06 PM MDT | Winter Storm Watch | SLC | 20 hr |
| Apr 25, 11:26 AM MDT | Winter Weather Advisory | SLC | 46 hr |
| May 14, 3:56 PM MDT | Special Weather Statement | SLC | 49 min |
| May 16, 2:29 PM MDT | Severe Thunderstorm Warning | SLC | 31 min |
| May 16, 3:00 PM MDT | Severe Thunderstorm Warning | SLC | 30 min |
| May 16, 4:15 PM MDT | Special Weather Statement | SLC | 45 min |
| May 16, 4:19 PM MDT | Special Weather Statement | SLC | 41 min |
| May 16, 4:39 PM MDT | Special Weather Statement | SLC | 51 min |
| May 16, 5:07 PM MDT | Special Weather Statement | SLC | 53 min |
| May 19, 2:51 PM MDT | Wind Advisory | SLC | 54 hr |
| Jun 1, 2:03 PM MDT | Excessive Heat Warning | SLC | 4 days |
| Jun 2, 2:30 PM MDT | Heat Advisory | SLC | 61 hr |
| Jun 3, 1:51 PM MDT | Red Flag Warning | SLC | 7 days |
| Jun 4, 4:36 PM MDT | Special Weather Statement | SLC | 39 min |
| Jun 4, 4:42 PM MDT | Severe Thunderstorm Warning | SLC | 33 min |
| Jun 5, 3:18 PM MDT | Fire Weather Watch | SLC | 46 hr |
| Jun 8, 2:18 PM MDT | Wind Advisory | SLC | 31 hr |
| Jun 11, 11:56 AM MDT | Red Flag Warning | SLC | 9 days |
| Jun 11, 2:37 PM MDT | Excessive Heat Watch | SLC | 48 hr |
| Jun 11, 2:37 PM MDT | Excessive Heat Warning | SLC | 9 days |
| Jun 12, 1:19 PM MDT | Fire Weather Watch | SLC | 26 hr |
| Jun 12, 3:03 PM MDT | Heat Advisory | SLC | 7 days |
| Jun 13, 2:53 PM MDT | Heat Advisory | SLC | 6 days |
| Jun 14, 11:53 AM MDT | Red Flag Warning | SLC | 6 days |
| Jun 20, 2:25 PM MDT | Fire Weather Watch | SLC | 49 hr |
| Jun 22, 3:01 PM MDT | Red Flag Warning | SLC | 33 hr |
| Jun 24, 12:16 AM MDT | Red Flag Warning | SLC | 21 hr |
| Jul 3, 3:19 AM MDT | Heat Advisory | SLC | 41 hr |
| Jul 3, 1:57 PM MDT | Special Weather Statement | SLC | 48 min |
| Jul 5, 2:04 PM MDT | Excessive Heat Warning | SLC | 7 days |
| Jul 5, 2:04 PM MDT | Heat Advisory | SLC | 48 hr |
| Jul 22, 4:15 PM MDT | Special Weather Statement | SLC | 30 min |
| Jul 23, 3:27 PM MDT | Special Weather Statement | SLC | 33 min |
| Jul 28, 3:50 PM MDT | Severe Thunderstorm Warning | SLC | 25 min |
| Jul 31, 3:16 PM MDT | Severe Thunderstorm Warning | SLC | 29 min |
| Aug 1, 5:30 PM MDT | Severe Thunderstorm Warning | SLC | 45 min |
| Aug 1, 6:09 PM MDT | Severe Thunderstorm Warning | SLC | 51 min |
| Aug 1, 6:17 PM MDT | Special Weather Statement | SLC | 43 min |
| Aug 2, 2:04 AM MDT | Flash Flood Watch | SLC | 18 hr |
| Aug 2, 5:22 PM MDT | Special Weather Statement | SLC | 38 min |
| Aug 5, 6:12 PM MDT | Special Weather Statement | SLC | 48 min |
| Aug 16, 11:45 AM MDT | Red Flag Warning | SLC | 33 hr |
| Aug 21, 2:33 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Aug 21, 3:14 PM MDT | Special Weather Statement | SLC | 61 min |
| Aug 21, 5:27 PM MDT | Severe Thunderstorm Warning | SLC | 48 min |
| Aug 21, 5:52 PM MDT | Severe Thunderstorm Warning | SLC | 38 min |
| Aug 21, 6:06 PM MDT | Severe Thunderstorm Warning | SLC | 39 min |
| Aug 21, 6:40 PM MDT | Severe Thunderstorm Warning | SLC | 50 min |
| Sep 2, 2:41 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 10, 4:41 PM MDT | Special Weather Statement | SLC | 64 min |
| Sep 10, 5:04 PM MDT | Severe Thunderstorm Warning | SLC | 26 min |
| Sep 10, 6:06 PM MDT | Severe Thunderstorm Warning | SLC | 39 min |
| Sep 11, 4:19 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Sep 12, 3:29 PM MDT | Special Weather Statement | SLC | 46 min |
| Sep 12, 3:37 PM MDT | Severe Thunderstorm Warning | SLC | 23 min |
| Sep 12, 3:54 PM MDT | Severe Thunderstorm Warning | SLC | 51 min |
| Sep 12, 4:13 PM MDT | Special Weather Statement | SLC | 47 min |
| Sep 12, 4:31 PM MDT | Severe Thunderstorm Warning | SLC | 44 min |
| Sep 12, 4:42 PM MDT | Severe Thunderstorm Warning | SLC | 24 min |
| Sep 12, 4:59 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Sep 12, 5:08 PM MDT | Severe Thunderstorm Warning | SLC | 20 min |
| Sep 12, 5:54 PM MDT | Severe Thunderstorm Warning | SLC | 51 min |
| Sep 12, 6:46 PM MDT | Special Weather Statement | SLC | 44 min |
| Sep 12, 8:23 PM MDT | Severe Thunderstorm Warning | SLC | 37 min |
| Sep 12, 8:57 PM MDT | Special Weather Statement | SLC | 48 min |
| Sep 12, 8:59 PM MDT | Special Weather Statement | SLC | 46 min |
| Sep 28, 10:46 AM MDT | Wind Advisory | SLC | 10 hr |
| Oct 7, 2:45 PM MDT | Flood Watch | SLC | 33 hr |
| Oct 7, 4:07 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Oct 8, 12:52 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 8, 3:21 PM MDT | Special Weather Statement | SLC | 54 min |
| Oct 8, 6:27 PM MDT | Special Weather Statement | SLC | 63 min |
| Oct 8, 6:32 PM MDT | Special Weather Statement | SLC | 58 min |
| Oct 11, 3:10 PM MDT | Winter Weather Advisory | SLC | 33 hr |
| Oct 11, 3:20 PM MDT | Hard Freeze Watch | SLC | 11 hr |
| Oct 11, 3:20 PM MDT | Wind Advisory | SLC | 24 hr |
| Oct 12, 2:35 AM MDT | Hard Freeze Warning | SLC | 30 hr |
| Oct 18, 3:08 AM MDT | Winter Weather Advisory | SLC | 33 hr |
| Oct 18, 3:19 PM MDT | Special Weather Statement | SLC | 56 min |
| Oct 22, 2:38 AM MDT | High Wind Watch | SLC | 50 hr |
| Oct 23, 3:50 PM MDT | High Wind Warning | SLC | 51 hr |
| Oct 24, 4:23 AM MDT | Wind Advisory | SLC | 42 hr |
| Oct 25, 4:06 AM MDT | Winter Weather Advisory | SLC | 32 hr |
| Dec 7, 2:40 PM MST | Winter Storm Watch | SLC | 25 hr |
| Dec 8, 3:35 PM MST | Winter Weather Advisory | SLC | 48 hr |
| Dec 13, 3:50 AM MST | High Wind Watch | SLC | 12 hr |
| Dec 13, 3:20 PM MST | High Wind Warning | SLC | 27 hr |
| Dec 13, 3:55 PM MST | Winter Storm Warning | SLC | 43 hr |
| Dec 13, 3:55 PM MST | Winter Weather Advisory | SLC | 43 hr |
| Dec 15, 2:44 PM MST | Winter Weather Advisory | SLC | 41 hr |
| Dec 21, 2:36 PM MST | Winter Storm Watch | SLC | 13 hr |
| Dec 22, 3:12 AM MST | Winter Storm Warning | SLC | 3 days |
| Dec 24, 3:08 PM MST | Snow Squall Warning | SLC | 52 min |
| Dec 25, 2:13 AM MST | Winter Storm Warning | SLC | 36 hr |
| Dec 25, 2:13 AM MST | Winter Weather Advisory | SLC | 34 hr |
| Dec 25, 2:09 PM MST | Wind Advisory | SLC | 25 hr |
| Dec 26, 3:49 PM MST | Winter Weather Advisory | SLC | 52 hr |
| Dec 27, 4:02 AM MST | Winter Storm Warning | SLC | 31 hr |
| Dec 27, 4:01 PM MST | Snow Squall Warning | SLC | 29 min |
| Dec 27, 4:27 PM MST | Snow Squall Warning | SLC | 48 min |
| Dec 28, 3:19 AM MST | Winter Storm Watch | SLC | 12 hr |
| Dec 28, 3:42 PM MST | Winter Weather Advisory | SLC | 4 days |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20202022
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.