Alert archive / Utah / 2010

Weather alerts in Utah, December 2010

35 weather alerts in December 2010, 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 2010. Tap one for its archive.

Alerts: 35
Warnings: 10
Watches: 6
Advisories: 18
Busiest day: December 21, 20104 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 5, 3:03 PM MST	Dense Fog Advisory	SLC		23 hr
Dec 6, 11:24 PM MST	Dense Fog Advisory	GJT	Uintah	11 hr
Dec 7, 8:28 PM MST	Dense Fog Advisory	GJT	Uintah	13 hr
Dec 7, 9:52 PM MST	Dense Fog Advisory	SLC		12 hr
Dec 10, 4:22 AM MST	Winter Weather Advisory	SLC		24 hr
Dec 13, 3:29 PM MST	Winter Storm Watch	SLC		13 hr
Dec 14, 4:27 AM MST	Winter Storm Warning	SLC		30 hr
Dec 14, 4:27 AM MST	Winter Weather Advisory	SLC		31 hr
Dec 14, 2:30 PM MST	Winter Weather Advisory	GJT	Grand, San Juan	52 hr
Dec 16, 2:59 PM MST	Winter Storm Watch	SLC		25 hr
Dec 17, 4:06 AM MST	Winter Weather Advisory	GJT	Grand, San Juan, Uintah	3 days
Dec 17, 3:40 PM MST	Winter Storm Warning	SLC		5 days
Dec 17, 3:40 PM MST	Winter Weather Advisory	SLC		3 days
Dec 18, 4:04 AM MST	Winter Storm Warning	GJT	Daggett, Grand, San Juan, Uintah	6 days
Dec 18, 3:29 PM MST	Flash Flood Watch	SLC		48 hr
Dec 19, 3:03 PM MST	Areal Flood Warning	SLC	Kane, Washington	24 hr
Dec 19, 3:51 PM MST	Wind Advisory	SLC		6 hr
Dec 19, 7:55 PM MST	Dense Fog Advisory	GJT	Uintah	12 hr
Dec 20, 3:28 PM MST	Areal Flood Warning	SLC	Kane, Washington	72 hr
Dec 20, 9:46 PM MST	Winter Weather Advisory	SLC		14 hr
Dec 21, 12:27 PM MST	Winter Storm Warning	SLC		3 hr
Dec 21, 12:33 PM MST	Flash Flood Warning	SLC	Washington	6 hr
Dec 21, 2:45 PM MST	Winter Storm Watch	GJT	San Juan	24 hr
Dec 22, 10:10 AM MST	Winter Weather Advisory	SLC		17 hr
Dec 22, 3:04 PM MST	Winter Weather Advisory	GJT	Uintah	17 hr
Dec 23, 12:54 PM MST	Dense Fog Advisory	GJT	Uintah	20 hr
Dec 27, 3:13 PM MST	Winter Storm Watch	GJT	Daggett, Grand, San Juan, Uintah	24 hr
Dec 27, 3:43 PM MST	Winter Storm Watch	SLC		24 hr
Dec 28, 3:20 PM MST	Winter Storm Warning	SLC		66 hr
Dec 28, 3:20 PM MST	Winter Weather Advisory	SLC		60 hr
Dec 28, 3:26 PM MST	Winter Storm Warning	GJT	Daggett, Grand, San Juan, Uintah	67 hr
Dec 28, 3:26 PM MST	Winter Weather Advisory	GJT	Grand, Uintah	18 hr
Dec 29, 2:21 PM MST	Mesoscale Discussion	SPC	Beaver, Duchesne, Iron, Juab, Millard, Piute and 7 more	4 hr
Dec 30, 3:14 PM MST	Lake Effect Snow Warning	SLC		13 hr
Dec 31, 11:36 AM MST	Lake Effect Snow Advisory	SLC		14 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	1
Flooding
Areal Flood Warning	2
Flash Flood Warning	1
Flash Flood Watch	1
Winter
Lake Effect Snow Warning	1
Winter Storm Warning	6
Winter Storm Watch	5
Lake Effect Snow Advisory	1
Winter Weather Advisory	10
Wind and dust
Wind Advisory	1
Fog and smoke
Dense Fog Advisory	6

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 2009 2011

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.