Alert archive / Colorado / Winter Weather Advisories

Winter Weather Advisories in Colorado, 2012

101 winter weather advisories in 2012. 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 winter weather advisories reaches back to 2005.

Winter Weather Advisories by county

Each county as a circle sized by its count in 2012. Tap one for its archive.

Winter Weather Advisories: 101
Busiest month: February33 winter weather advisories
Busiest day: January 20, 20125 winter weather advisories

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
Jan 6, 3:15 AM MST	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Mesa, Moffat and 4 more	47 hr
Jan 6, 4:37 AM MST	Winter Weather Advisory	PUB	Chaffee, El Paso, Lake, Saguache, Teller	47 hr
Jan 14, 3:04 PM MST	Winter Weather Advisory	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	56 hr
Jan 14, 3:33 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	56 hr
Jan 18, 3:44 AM MST	Winter Weather Advisory	GJT	Eagle, Garfield, Moffat, Rio Blanco, Routt	31 hr
Jan 18, 3:44 PM MST	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	18 hr
Jan 19, 8:12 PM MST	Winter Weather Advisory	BOU	Boulder, Grand, Jackson, Larimer	15 hr
Jan 19, 9:16 PM MST	Winter Weather Advisory	GJT	Moffat, Routt	14 hr
Jan 20, 11:26 AM MST	Winter Weather Advisory	BOU	Grand, Jackson, Summit	43 hr
Jan 20, 3:34 PM MST	Winter Weather Advisory	PUB	Lake	41 hr
Jan 20, 3:48 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Garfield, Gunnison, La Plata and 7 more	41 hr
Jan 23, 4:23 AM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Gunnison, Hinsdale, La Plata and 6 more	32 hr
Jan 23, 3:20 PM MST	Winter Weather Advisory	PUB	Conejos, Mineral, Rio Grande	19 hr
Jan 25, 3:01 PM MST	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	46 hr
Jan 25, 3:09 PM MST	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 7 more	47 hr
Jan 26, 4:05 PM MST	Winter Weather Advisory	BOU	Grand, Jackson	13 hr
Feb 1, 4:26 AM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Garfield, Gunnison, Hinsdale and 7 more	50 hr
Feb 1, 3:21 PM MST	Winter Weather Advisory	PUB	Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 15 more	48 hr
Feb 2, 5:07 AM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	7 hr
Feb 3, 3:03 PM MST	Winter Weather Advisory	GLD	Kit Carson, Yuma	20 hr
Feb 4, 3:55 AM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Elbert, Lincoln, Morgan, Washington	7 hr
Feb 6, 1:52 AM MST	Winter Weather Advisory	GJT	Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more	16 hr
Feb 6, 4:10 AM MST	Winter Weather Advisory	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	19 hr
Feb 9, 1:49 AM MST	Winter Weather Advisory	GJT	Gunnison, Hinsdale, Montrose, Ouray, San Miguel	7 hr
Feb 10, 3:41 AM MST	Winter Weather Advisory	GJT	Eagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt	24 hr
Feb 11, 2:19 PM MST	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 7 more	48 hr
Feb 11, 3:22 PM MST	Winter Weather Advisory	PUB	Chaffee, Lake, Mineral, Rio Grande, Saguache	44 hr
Feb 13, 2:43 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 11 more	39 hr
Feb 14, 3:30 AM MST	Winter Weather Advisory	PUB	Conejos, Mineral, Rio Grande	16 hr
Feb 14, 1:45 PM MST	Winter Weather Advisory	GLD	Cheyenne	18 hr
Feb 18, 4:21 AM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	50 hr
Feb 18, 2:38 PM MST	Winter Weather Advisory	PUB	Chaffee, Conejos, El Paso, Lake, Mineral, Rio Grande and 1 more	44 hr
Feb 19, 11:46 AM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Douglas, Elbert, Lincoln, Logan and 4 more	23 hr
Feb 20, 3:30 AM MST	Winter Weather Advisory	GLD	Kit Carson, Yuma	4 hr
Feb 20, 11:36 PM MST	Winter Weather Advisory	GJT	Eagle, Garfield, Moffat, Rio Blanco, Routt	4 hr
Feb 21, 4:22 AM MST	Winter Weather Advisory	BOU	Grand, Jackson	17 hr
Feb 21, 8:56 PM MST	Winter Weather Advisory	BOU	Boulder, Grand, Jackson, Larimer	26 hr
Feb 22, 12:02 PM MST	Winter Weather Advisory	GJT	Eagle, Garfield, Pitkin	18 hr
Feb 23, 1:00 AM MST	Winter Weather Advisory	PUB	Chaffee, El Paso, Fremont, Lake, Saguache, Teller	10 hr
Feb 23, 4:37 AM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 5 more	6 hr
Feb 23, 6:15 AM MST	Winter Weather Advisory	GJT	Delta, Garfield, Gunnison, Mesa, Montrose, Rio Blanco	8 hr
Feb 26, 3:19 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Eagle, Garfield, La Plata, Mesa and 7 more	57 hr
Feb 28, 3:35 AM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	20 hr
Feb 28, 7:02 AM MST	Winter Weather Advisory	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	13 hr
Feb 29, 3:41 AM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	53 hr
Feb 29, 4:01 AM MST	Winter Weather Advisory	BOU	Grand, Jackson	11 hr
Feb 29, 4:07 AM MST	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	11 hr
Feb 29, 3:12 PM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 9 more	38 hr
Feb 29, 3:16 PM MST	Winter Weather Advisory	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more	54 hr
Mar 6, 3:45 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Gunnison, Hinsdale, La Plata and 5 more	31 hr
Mar 6, 3:58 PM MST	Winter Weather Advisory	PUB	Chaffee, Conejos, El Paso, Lake, Mineral, Rio Grande and 2 more	41 hr
Mar 17, 3:08 PM MDT	Winter Weather Advisory	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 6 more	43 hr
Mar 17, 3:35 PM MDT	Winter Weather Advisory	GJT	Dolores, Eagle, Garfield, Gunnison, Mesa, Moffat and 6 more	44 hr
Apr 2, 3:31 PM MDT	Winter Weather Advisory	PUB	Chaffee, Conejos, Custer, El Paso, Fremont, Lake and 6 more	23 hr
Apr 2, 3:32 PM MDT	Winter Weather Advisory	GJT	Archuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more	21 hr
Apr 2, 3:34 PM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Douglas, Gilpin, Grand, Jefferson and 2 more	26 hr
Apr 14, 5:35 AM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more	36 hr
Apr 15, 12:57 AM MDT	Winter Weather Advisory	PUB	El Paso, Fremont, Teller	5 hr
Apr 18, 3:00 PM MDT	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Mesa, Moffat and 4 more	24 hr
May 6, 3:23 AM MDT	Winter Weather Advisory	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more	48 hr
May 6, 8:24 PM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more	18 hr
May 7, 7:47 PM MDT	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Gunnison, Hinsdale, La Plata and 6 more	4 hr
May 11, 3:30 PM MDT	Winter Weather Advisory	PUB	Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more	37 hr
Sep 12, 2:17 AM MDT	Winter Weather Advisory	PUB	Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more	15 hr
Oct 5, 3:43 PM MDT	Winter Weather Advisory	BOU	Logan, Morgan, Phillips, Sedgwick, Washington, Weld	22 hr
Oct 5, 9:25 PM MDT	Winter Weather Advisory	GLD	Yuma	15 hr
Oct 11, 2:45 PM MDT	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	45 hr
Oct 11, 2:54 PM MDT	Winter Weather Advisory	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	46 hr
Oct 23, 2:56 PM MDT	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Mesa, Moffat, Pitkin and 2 more	63 hr
Oct 25, 4:00 AM MDT	Winter Weather Advisory	PUB	El Paso, Fremont, Teller	23 hr
Nov 8, 3:23 AM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 10 more	4 days
Nov 8, 4:08 AM MST	Winter Weather Advisory	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	3 days
Nov 9, 4:02 AM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 7 more	49 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, 9:25 PM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	17 hr
Dec 8, 2:03 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	25 hr
Dec 8, 8:25 PM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jefferson, Park and 1 more	12 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 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 Weather Advisory	PUB	Alamosa, Chaffee, Costilla, Custer, Fremont, Huerfano and 3 more	44 hr
Dec 15, 3:51 AM MST	Winter Weather Advisory	PUB	Conejos, Mineral, Rio Grande	24 hr
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, 2:47 PM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	38 hr
Dec 17, 3:20 PM MST	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	14 hr
Dec 17, 4:15 PM MST	Winter Weather Advisory	GJT	Dolores, Montezuma, San Miguel	44 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, 1:56 PM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 10 more	25 hr
Dec 19, 3:13 AM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 4 more	12 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 25, 2:55 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	61 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 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 county

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

24 more counties

The busiest days

Days with the most alerts issued, by UTC date.

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. Warning verification from the Mesonet's Cow. Rebuilt daily.