Weather alerts in Colorado, December 2012

62 weather alerts in December 2012, 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 2012. Tap one for its archive.

Alerts: 62
Warnings: 16
Watches: 10
Advisories: 35
Busiest day: December 18, 20127 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 1, 2:50 PM MST	Fire Weather Watch	BOU	Boulder, Clear Creek, Douglas, Gilpin, Jefferson, Larimer and 1 more	17 hr
Dec 2, 7:59 AM MST	Red Flag Warning	BOU	Boulder, Clear Creek, Douglas, Gilpin, Jefferson, Larimer and 1 more	22 hr
Dec 2, 9:15 AM MST	Red Flag Warning	GLD	Cheyenne, Kit Carson, Yuma	8 hr
Dec 3, 3:49 AM MST	Wind Advisory	GLD	Cheyenne, Kit Carson, Yuma	8 hr
Dec 7, 2:58 PM MST	Winter Weather Advisory	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more	52 hr
Dec 7, 3:34 PM MST	Winter Weather Advisory	GJT	Eagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt	22 hr
Dec 7, 4:20 PM MST	High Wind Warning	BOU	Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more	25 hr
Dec 7, 9:25 PM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	17 hr
Dec 8, 10:26 AM MST	Wind Advisory	GJT	Garfield, Moffat, Rio Blanco, Routt	8 hr
Dec 8, 2:03 PM MST	Winter Storm Warning	GJT	Eagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt	18 hr
Dec 8, 2:03 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	25 hr
Dec 8, 2:44 PM MST	Winter Storm Warning	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	11 hr
Dec 8, 8:25 PM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jefferson, Park and 1 more	12 hr
Dec 9, 7:03 PM MST	Wind Chill Advisory	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 8 more	13 hr
Dec 10, 4:00 AM MST	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 7 more	32 hr
Dec 10, 10:29 AM MST	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	19 hr
Dec 12, 1:56 PM MST	Winter Storm Watch	GJT	Archuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more	13 hr
Dec 12, 3:39 PM MST	Winter Storm Watch	PUB	Conejos, Mineral, Rio Grande	12 hr
Dec 13, 3:24 AM MST	Winter Storm Warning	GJT	Archuleta, Delta, Dolores, Gunnison, Hinsdale, La Plata and 6 more	50 hr
Dec 13, 3:24 AM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Garfield, Gunnison, Hinsdale and 7 more	72 hr
Dec 13, 3:25 AM MST	Winter Storm Warning	PUB	Conejos, Mineral, Rio Grande, Saguache	44 hr
Dec 13, 3:25 AM MST	Winter Weather Advisory	PUB	Alamosa, Chaffee, Costilla, Custer, Fremont, Huerfano and 3 more	44 hr
Dec 14, 4:27 AM MST	High Wind Watch	PUB	Alamosa, Chaffee, Costilla, Custer, Fremont, Huerfano and 3 more	5 hr
Dec 14, 4:45 AM MST	Blizzard Warning	PUB	Alamosa, Conejos, Costilla, Custer, Fremont, Huerfano and 4 more	19 hr
Dec 14, 9:22 AM MST	High Wind Warning	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 4 more	15 hr
Dec 15, 3:51 AM MST	Winter Weather Advisory	PUB	Conejos, Mineral, Rio Grande	24 hr
Dec 15, 5:01 AM MST	Winter Storm Watch	GJT	Eagle, Garfield, Moffat, Rio Blanco, Routt	10 hr
Dec 15, 2:31 PM MST	Winter Storm Warning	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	4 days
Dec 15, 2:31 PM MST	Winter Weather Advisory	GJT	Routt	39 hr
Dec 15, 3:32 PM MST	Winter Weather Advisory	BOU	Grand, Jackson	23 hr
Dec 16, 2:40 AM MST	Winter Weather Advisory	GLD	Yuma	3 hr
Dec 16, 4:32 AM MST	Dense Fog Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 3 more	4 hr
Dec 16, 5:15 AM MST	Winter Storm Watch	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	35 hr
Dec 16, 2:47 PM MST	Winter Storm Warning	BOU	Grand, Jackson	38 hr
Dec 16, 2:47 PM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	38 hr
Dec 17, 4:28 AM MST	Winter Storm Watch	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more	35 hr
Dec 17, 2:42 PM MST	Blizzard Watch	GLD	Cheyenne, Kit Carson, Yuma	22 hr
Dec 17, 3:20 PM MST	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	14 hr
Dec 17, 3:36 PM MST	Winter Storm Watch	BOU	Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more	22 hr
Dec 17, 4:15 PM MST	Winter Weather Advisory	GJT	Dolores, Montezuma, San Miguel	44 hr
Dec 17, 8:52 PM MST	Winter Storm Warning	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	42 hr
Dec 17, 8:52 PM MST	Winter Weather Advisory	PUB	Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 7 more	47 hr
Dec 18, 4:58 AM MST	Blizzard Watch	PUB	Baca, Bent, Crowley, Huerfano, Kiowa, Las Animas and 3 more	10 hr
Dec 18, 12:13 PM MST	Blizzard Warning	GLD	Cheyenne, Kit Carson, Yuma	35 hr
Dec 18, 1:56 PM MST	Blizzard Warning	BOU	Arapahoe, Douglas, Elbert, Lincoln, Logan, Phillips and 2 more	28 hr
Dec 18, 1:56 PM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 10 more	25 hr
Dec 18, 3:18 PM MST	Blizzard Warning	PUB	El Paso	26 hr
Dec 19, 3:13 AM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 4 more	12 hr
Dec 19, 9:47 AM MST	Mesoscale Discussion	SPC	Cheyenne, Kiowa, Kit Carson, Lincoln, Logan, Phillips and 3 more	6 hr
Dec 22, 6:55 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	59 hr
Dec 23, 3:51 AM MST	Winter Weather Advisory	PUB	Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 13 more	52 hr
Dec 23, 3:28 PM MST	Winter Weather Advisory	BOU	Arapahoe, Boulder, Clear Creek, Douglas, Elbert, Gilpin and 6 more	38 hr
Dec 24, 11:18 AM MST	Winter Storm Warning	GJT	Delta, Garfield, Mesa, Moffat, Rio Blanco, Routt	19 hr
Dec 25, 2:55 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	61 hr
Dec 25, 8:56 PM MST	Wind Chill Advisory	GLD	Cheyenne, Kit Carson, Yuma	12 hr
Dec 26, 3:28 AM MST	Winter Weather Advisory	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	44 hr
Dec 26, 11:01 AM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	34 hr
Dec 27, 9:04 PM MST	Wind Chill Advisory	GLD	Yuma	7 hr
Dec 28, 2:57 AM MST	Dense Fog Advisory	GJT	Garfield, Mesa	8 hr
Dec 29, 2:57 PM MST	Winter Weather Advisory	PUB	Alamosa, Baca, Chaffee, Conejos, Costilla, Custer and 11 more	56 hr
Dec 29, 3:26 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 11 more	54 hr
Dec 30, 5:54 PM MST	Winter Weather Advisory	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	26 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
Winter
Blizzard Warning	4
Winter Storm Warning	8
Blizzard Watch	2
Winter Storm Watch	6
Winter Weather Advisory	28
Cold
Wind Chill Advisory	3
Wind and dust
High Wind Warning	2
High Wind Watch	1
Wind Advisory	2
Fire
Red Flag Warning	2
Fire Weather Watch	1
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.

24 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2011 2013

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.