Alert archive / Utah / 2021

Weather alerts in Utah, December 2021

62 weather alerts in December 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in December 2021. Tap one for its archive.

Alerts: 62
Warnings: 23
Watches: 10
Advisories: 19
Busiest day: December 26, 202113 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

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
Dec 7, 2:40 PM MST	Winter Storm Watch	SLC	Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 18 more	25 hr
Dec 7, 2:56 PM MST	Winter Storm Watch	GJT	Daggett, Grand, San Juan, Uintah	21 hr
Dec 8, 12:16 PM MST	Winter Storm Warning	GJT	Daggett, Grand, San Juan, Uintah	54 hr
Dec 8, 3:35 PM MST	Winter Storm Warning	SLC	Beaver, Carbon, Duchesne, Emery, Garfield, Iron and 14 more	48 hr
Dec 8, 3:35 PM MST	Winter Weather Advisory	SLC	Beaver, Box Elder, Cache, Davis, Garfield, Iron and 14 more	48 hr
Dec 12, 2:50 PM MST	Winter Storm Watch	SLC	Beaver, Garfield, Iron, Kane, Piute, Washington and 1 more	25 hr
Dec 13, 3:50 AM MST	High Wind Watch	SLC	Beaver, Box Elder, Iron, Juab, Millard, Salt Lake and 3 more	12 hr
Dec 13, 2:31 PM MST	Winter Storm Warning	GJT	Daggett, Grand, San Juan, Uintah	47 hr
Dec 13, 2:38 PM MST	High Wind Watch	GJT	Grand, San Juan	13 hr
Dec 13, 3:20 PM MST	High Wind Warning	SLC	Beaver, Box Elder, Iron, Juab, Millard, Salt Lake and 3 more	27 hr
Dec 13, 3:20 PM MST	Wind Advisory	SLC	Cache, Garfield, Juab, Kane, Millard, Piute and 2 more	27 hr
Dec 13, 3:55 PM MST	Winter Storm Warning	SLC	Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 19 more	43 hr
Dec 13, 3:55 PM MST	Winter Weather Advisory	SLC	Beaver, Box Elder, Cache, Davis, Emery, Garfield and 17 more	43 hr
Dec 14, 3:41 AM MST	Wind Advisory	GJT	Grand, San Juan, Uintah	28 hr
Dec 14, 4:04 AM MST	Wind Advisory	SLC	Duchesne, Garfield, Kane, San Juan, Wayne	31 hr
Dec 15, 1:42 AM MST	Special Weather Statement	GJT	Grand	48 min
Dec 15, 2:44 PM MST	Winter Weather Advisory	SLC	Box Elder, Cache, Carbon, Davis, Duchesne, Emery and 9 more	41 hr
Dec 16, 12:58 PM MST	Special Weather Statement	SLC	Utah	47 min
Dec 17, 3:42 PM MST	Dense Fog Advisory	SLC	Juab, Millard	20 hr
Dec 21, 2:36 PM MST	Winter Storm Watch	SLC	Box Elder, Cache, Carbon, Davis, Duchesne, Emery and 9 more	13 hr
Dec 22, 3:12 AM MST	Winter Storm Warning	SLC	Box Elder, Cache, Carbon, Davis, Duchesne, Emery and 9 more	3 days
Dec 22, 3:34 AM MST	Winter Storm Warning	GJT	Daggett, Uintah	3 days
Dec 22, 3:34 AM MST	Winter Weather Advisory	GJT	Grand, San Juan, Uintah	3 days
Dec 22, 2:18 PM MST	Winter Weather Advisory	SLC	Beaver, Carbon, Duchesne, Emery, Garfield, Iron and 13 more	66 hr
Dec 24, 7:14 AM MST	Areal Flood Warning	SLC	Iron, Kane, Washington	9 hr
Dec 24, 3:08 PM MST	Snow Squall Warning	SLC	Box Elder	52 min
Dec 25, 2:13 AM MST	Winter Storm Warning	SLC	Beaver, Box Elder, Cache, Davis, Duchesne, Garfield and 13 more	36 hr
Dec 25, 2:13 AM MST	Winter Weather Advisory	SLC	Beaver, Box Elder, Cache, Carbon, Duchesne, Emery and 12 more	34 hr
Dec 25, 2:59 AM MST	Winter Storm Watch	GJT	Daggett, Uintah	12 hr
Dec 25, 2:09 PM MST	Wind Advisory	SLC	Beaver, Box Elder, Davis, Duchesne, Emery, Garfield and 13 more	25 hr
Dec 25, 2:59 PM MST	Winter Storm Warning	GJT	Daggett, Uintah	4 days
Dec 25, 2:59 PM MST	Winter Weather Advisory	GJT	Grand, San Juan	4 days
Dec 25, 3:02 PM MST	Wind Advisory	GJT	Grand, San Juan	25 hr
Dec 26, 6:45 AM MST	Special Weather Statement	SLC	Cache, Davis, Salt Lake, Weber	60 min
Dec 26, 7:27 AM MST	Special Weather Statement	SLC	Cache, Morgan, Rich, Salt Lake, Utah, Weber	63 min
Dec 26, 7:55 AM MST	Special Weather Statement	SLC	Summit	65 min
Dec 26, 8:06 AM MST	Mesoscale Discussion	SPC	Duchesne, Morgan, Rich, Salt Lake, Sanpete, Summit and 2 more	2 hr
Dec 26, 8:17 AM MST	Snow Squall Warning	SLC	Rich, Summit	58 min
Dec 26, 8:33 AM MST	Special Weather Statement	SLC	Utah	57 min
Dec 26, 10:37 AM MST	Snow Squall Warning	GJT	Daggett	23 min
Dec 26, 11:00 AM MST	Mesoscale Discussion	SPC	Grand, Uintah	3 hr
Dec 26, 11:19 AM MST	Snow Squall Warning	GJT	Uintah	26 min
Dec 26, 11:45 AM MST	Snow Squall Warning	GJT	Uintah	30 min
Dec 26, 12:12 PM MST	Winter Weather Advisory	SLC	Morgan, Rich, Summit, Wasatch, Weber	2 hr
Dec 26, 3:49 PM MST	Winter Storm Watch	SLC	Iron, Kane, Washington	12 hr
Dec 26, 3:49 PM MST	Winter Weather Advisory	SLC	Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 19 more	52 hr
Dec 27, 4:02 AM MST	Winter Weather Advisory	GJT	Grand, San Juan	52 hr
Dec 27, 4:02 AM MST	Winter Storm Warning	SLC	Box Elder, Cache, Davis, Duchesne, Iron, Juab and 9 more	31 hr
Dec 27, 4:01 PM MST	Snow Squall Warning	SLC	Box Elder, Cache, Davis, Morgan, Weber	29 min
Dec 27, 4:27 PM MST	Snow Squall Warning	SLC	Box Elder, Davis, Morgan, Tooele, Weber	48 min
Dec 27, 4:31 PM MST	Snow Squall Warning	SLC	Davis, Tooele	44 min
Dec 27, 4:51 PM MST	Snow Squall Warning	SLC	Davis, Morgan, Salt Lake, Tooele	54 min
Dec 27, 5:02 PM MST	Snow Squall Warning	SLC	Morgan, Rich, Summit, Weber	43 min
Dec 27, 5:13 PM MST	Mesoscale Discussion	SPC	Morgan, Rich, Salt Lake, Summit, Tooele, Utah and 2 more	2 hr
Dec 27, 5:45 PM MST	Snow Squall Warning	SLC	Salt Lake, Summit, Tooele, Utah, Wasatch	60 min
Dec 27, 6:51 PM MST	Special Weather Statement	SLC	Utah, Wasatch	39 min
Dec 28, 3:19 AM MST	Winter Storm Watch	SLC	Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 18 more	12 hr
Dec 28, 1:48 PM MST	Winter Storm Watch	GJT	Grand, San Juan	25 hr
Dec 28, 3:42 PM MST	Winter Weather Advisory	SLC	Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 19 more	4 days
Dec 29, 2:16 AM MST	Dense Fog Advisory	GJT	Grand	4 hr
Dec 29, 2:53 PM MST	Winter Storm Warning	GJT	Grand, San Juan	72 hr
Dec 29, 2:53 PM MST	Winter Weather Advisory	GJT	Daggett, Grand, Uintah	62 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Severe storms
Mesoscale Discussion	3
Special Weather Statement	7
Flooding
Areal Flood Warning	1
Winter
Snow Squall Warning	11
Winter Storm Warning	10
Winter Storm Watch	8
Winter Weather Advisory	12
Wind and dust
High Wind Warning	1
High Wind Watch	2
Wind Advisory	5
Fog and smoke
Dense Fog Advisory	2

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force now Tornadoes on record The radar archive 2020 2022

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.