Alert archive / Colorado / Winter Weather Advisories

Winter Weather Advisories in Colorado, 2011

161 winter weather advisories in 2011. 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 2011. Tap one for its archive.

Winter Weather Advisories: 161
Busiest month: April32 winter weather advisories
Busiest day: January 30, 20114 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 8, 2:42 AM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	49 hr
Jan 8, 3:39 PM MST	Winter Weather Advisory	PUB	Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 15 more	37 hr
Jan 8, 3:52 PM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 16 more	41 hr
Jan 9, 3:04 AM MST	Winter Weather Advisory	GLD	Cheyenne, Kit Carson, Yuma	38 hr
Jan 10, 4:57 AM MST	Winter Weather Advisory	PUB	Alamosa, Baca, Bent, Chaffee, Costilla, Crowley and 11 more	6 hr
Jan 15, 4:56 AM MST	Winter Weather Advisory	GJT	Delta, Gunnison, Moffat, Montrose, Rio Blanco, Routt	72 hr
Jan 16, 3:59 AM MST	Winter Weather Advisory	PUB	Lake	48 hr
Jan 16, 4:09 PM MST	Winter Weather Advisory	BOU	Grand, Jackson, Summit	24 hr
Jan 18, 2:14 PM MST	Winter Weather Advisory	GLD	Cheyenne, Kit Carson, Yuma	33 hr
Jan 18, 2:55 PM MST	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Mesa, Moffat and 4 more	30 hr
Jan 19, 4:23 AM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	18 hr
Jan 21, 4:06 AM MST	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Hinsdale, Moffat and 6 more	42 hr
Jan 21, 4:39 AM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	41 hr
Jan 21, 3:14 PM MST	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	32 hr
Jan 30, 3:35 AM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	3 days
Jan 30, 2:30 PM MST	Winter Weather Advisory	GLD	Cheyenne, Kit Carson, Yuma	51 hr
Jan 30, 3:13 PM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 13 more	33 hr
Jan 30, 3:22 PM MST	Winter Weather Advisory	PUB	Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 15 more	50 hr
Feb 3, 6:11 PM MST	Winter Weather Advisory	PUB	Costilla, Custer, Fremont, Huerfano, Las Animas, Pueblo	11 hr
Feb 4, 4:13 AM MST	Winter Weather Advisory	PUB	Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 6 more	65 hr
Feb 4, 2:47 PM MST	Winter Weather Advisory	GJT	Delta, Gunnison, Hinsdale, Moffat, Montrose, Ouray and 3 more	53 hr
Feb 4, 3:29 PM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	18 hr
Feb 5, 2:33 PM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 5 more	5 hr
Feb 6, 3:57 AM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 5 more	12 hr
Feb 6, 2:28 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	54 hr
Feb 6, 3:52 PM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 16 more	44 hr
Feb 7, 3:57 AM MST	Winter Weather Advisory	GLD	Cheyenne, Kit Carson, Yuma	40 hr
Feb 7, 4:17 AM MST	Winter Weather Advisory	PUB	Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 15 more	40 hr
Feb 16, 3:03 AM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	37 hr
Feb 16, 4:43 AM MST	Winter Weather Advisory	PUB	Lake, Mineral, Rio Grande, Saguache	35 hr
Feb 16, 5:12 AM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 10 more	39 hr
Feb 18, 3:30 PM MST	Winter Weather Advisory	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	56 hr
Feb 19, 3:42 AM MST	Winter Weather Advisory	GJT	Archuleta, Garfield, La Plata, Moffat, Rio Blanco, Routt	31 hr
Feb 19, 3:47 AM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	38 hr
Feb 20, 10:18 AM MST	Winter Weather Advisory	GJT	Moffat, Routt	14 hr
Feb 24, 3:56 AM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Eagle, Garfield, Gunnison, Hinsdale and 9 more	3 days
Feb 24, 4:34 AM MST	Winter Weather Advisory	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	3 days
Feb 24, 12:15 PM MST	Winter Weather Advisory	BOU	Boulder, Grand, Jackson, Larimer	39 hr
Feb 25, 10:16 PM MST	Winter Weather Advisory	GLD	Cheyenne, Kit Carson, Yuma	13 hr
Mar 2, 11:40 AM MST	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 7 more	51 hr
Mar 2, 3:14 PM MST	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	47 hr
Mar 5, 4:12 AM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 11 more	50 hr
Mar 6, 2:52 PM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Douglas, Gilpin, Grand, Jefferson and 2 more	37 hr
Mar 6, 3:48 PM MST	Winter Weather Advisory	PUB	Alamosa, Chaffee, Conejos, Costilla, Crowley, Custer and 12 more	45 hr
Mar 7, 4:02 AM MST	Winter Weather Advisory	GJT	Archuleta, Dolores, Garfield, La Plata, Moffat, Montezuma and 3 more	32 hr
Mar 7, 11:20 AM MST	Winter Weather Advisory	GLD	Cheyenne, Kit Carson, Yuma	27 hr
Mar 16, 3:16 PM MDT	Winter Weather Advisory	GJT	Delta, Garfield, Mesa, Montrose, Ouray, San Miguel	39 hr
Mar 16, 3:17 PM MDT	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	37 hr
Mar 17, 3:55 PM MDT	Winter Weather Advisory	BOU	Boulder, Grand, Jackson, Larimer, Summit, Weld	12 hr
Mar 20, 3:02 PM MDT	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	57 hr
Mar 20, 5:00 PM MDT	Winter Weather Advisory	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	55 hr
Mar 24, 3:16 PM MDT	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Mesa, Moffat and 4 more	36 hr
Mar 24, 3:36 PM MDT	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	38 hr
Mar 26, 4:19 AM MDT	Winter Weather Advisory	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	72 hr
Mar 26, 4:22 AM MDT	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	34 hr
Mar 27, 3:36 PM MDT	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 7 more	37 hr
Mar 28, 12:29 PM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	12 hr
Mar 28, 3:26 PM MDT	Winter Weather Advisory	GLD	Kit Carson, Yuma	21 hr
Mar 29, 3:00 PM MDT	Winter Weather Advisory	GJT	Eagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt	45 hr
Apr 2, 4:19 AM MDT	Winter Weather Advisory	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	48 hr
Apr 2, 4:25 AM MDT	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Garfield, Gunnison, Hinsdale and 10 more	48 hr
Apr 2, 4:51 PM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	28 hr
Apr 5, 8:58 PM MDT	Winter Weather Advisory	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	39 hr
Apr 6, 3:15 AM MDT	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 10 more	33 hr
Apr 6, 9:41 AM MDT	Winter Weather Advisory	GJT	Moffat, Rio Blanco, Routt	2 hr
Apr 8, 10:01 AM MDT	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Mesa, Moffat, Montrose and 5 more	62 hr
Apr 8, 8:49 PM MDT	Winter Weather Advisory	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	42 hr
Apr 10, 4:28 AM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	17 hr
Apr 13, 3:03 AM MDT	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 7 more	39 hr
Apr 13, 4:06 AM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more	29 hr
Apr 13, 4:14 AM MDT	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	35 hr
Apr 14, 3:25 AM MDT	Winter Weather Advisory	GLD	Cheyenne, Kit Carson, Yuma	30 hr
Apr 14, 12:13 PM MDT	Winter Weather Advisory	GLD	Yuma	21 hr
Apr 14, 1:18 PM MDT	Winter Weather Advisory	BOU	Logan, Phillips, Sedgwick, Washington	7 hr
Apr 18, 3:31 AM MDT	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 4 more	38 hr
Apr 18, 3:33 AM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	25 hr
Apr 18, 4:18 AM MDT	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	32 hr
Apr 21, 2:53 AM MDT	Winter Weather Advisory	GJT	Eagle, Garfield, Moffat, Rio Blanco, Routt	7 hr
Apr 21, 10:12 AM MDT	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Moffat, Montrose and 3 more	18 hr
Apr 22, 3:49 PM MDT	Winter Weather Advisory	PUB	Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 6 more	62 hr
Apr 23, 4:05 AM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	24 hr
Apr 23, 10:35 AM MDT	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 7 more	52 hr
Apr 24, 3:53 AM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	24 hr
Apr 25, 2:33 PM MDT	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	34 hr
Apr 25, 3:00 PM MDT	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Garfield, Hinsdale, La Plata and 7 more	33 hr
Apr 25, 3:33 PM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	19 hr
Apr 28, 2:45 PM MDT	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Moffat, Montrose and 3 more	41 hr
Apr 29, 10:50 AM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	18 hr
Apr 29, 3:22 PM MDT	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	13 hr
Apr 30, 4:40 AM MDT	Winter Weather Advisory	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 8 more	39 hr
Apr 30, 2:13 PM MDT	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 8 more	34 hr
May 10, 3:48 AM MDT	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Garfield, Gunnison, Hinsdale and 9 more	44 hr
May 10, 4:20 AM MDT	Winter Weather Advisory	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more	47 hr
May 10, 3:09 PM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more	20 hr
May 11, 6:23 PM MDT	Winter Weather Advisory	BOU	Arapahoe, Douglas, Elbert	12 hr
May 12, 8:16 AM MDT	Winter Weather Advisory	BOU	Arapahoe, Douglas, Elbert	4 hr
May 17, 3:00 PM MDT	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	17 hr
May 17, 3:08 PM MDT	Winter Weather Advisory	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	3 days
May 18, 4:43 AM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more	24 hr
May 18, 6:17 AM MDT	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	8 hr
May 20, 4:28 AM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	12 hr
May 21, 2:02 AM MDT	Winter Weather Advisory	GJT	Eagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt	10 hr
Jun 19, 11:42 AM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	23 hr
Jun 19, 11:50 AM MDT	Winter Weather Advisory	PUB	Chaffee, El Paso, Lake, Saguache, Teller	27 hr
Jun 19, 2:03 PM MDT	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	25 hr
Sep 13, 3:06 PM MDT	Winter Weather Advisory	PUB	Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 6 more	38 hr
Sep 14, 5:00 AM MDT	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 8 more	24 hr
Sep 14, 2:53 PM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	13 hr
Oct 5, 1:45 PM MDT	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Mesa, Montrose, Ouray and 3 more	31 hr
Oct 5, 3:35 PM MDT	Winter Weather Advisory	BOU	Boulder, Grand, Jackson, Larimer	28 hr
Oct 7, 5:00 AM MDT	Winter Weather Advisory	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more	34 hr
Oct 7, 12:20 PM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more	30 hr
Oct 7, 10:59 PM MDT	Winter Weather Advisory	BOU	Park	16 hr
Oct 16, 12:03 PM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	26 hr
Oct 16, 2:44 PM MDT	Winter Weather Advisory	GJT	Eagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt	24 hr
Oct 16, 3:15 PM MDT	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	21 hr
Oct 24, 10:52 PM MDT	Winter Weather Advisory	GJT	Delta, Garfield, Mesa, Montrose, Ouray, Rio Blanco and 1 more	37 hr
Oct 25, 5:16 AM MDT	Winter Weather Advisory	PUB	Alamosa, Conejos, Costilla, Mineral, Pueblo, Rio Grande and 1 more	43 hr
Oct 25, 8:51 PM MDT	Winter Weather Advisory	BOU	Logan, Washington	15 hr
Oct 26, 8:43 AM MDT	Winter Weather Advisory	GLD	Yuma	8 hr
Oct 26, 1:58 PM MDT	Winter Weather Advisory	BOU	Elbert, Lincoln	4 hr
Oct 31, 12:34 PM MDT	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 7 more	47 hr
Nov 1, 5:12 AM MDT	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 14 more	29 hr
Nov 1, 10:52 AM MDT	Winter Weather Advisory	PUB	Alamosa, Baca, Bent, Chaffee, Costilla, Crowley and 12 more	28 hr
Nov 3, 8:40 PM MDT	Winter Weather Advisory	PUB	Chaffee, Lake, Mineral, Rio Grande, Saguache	50 hr
Nov 3, 9:55 PM MDT	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 10 more	50 hr
Nov 4, 3:07 PM MDT	Winter Weather Advisory	BOU	Grand, Jackson	33 hr
Nov 6, 2:55 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 9 more	33 hr
Nov 6, 3:17 PM MST	Winter Weather Advisory	PUB	Alamosa, Baca, Chaffee, Conejos, Costilla, Custer and 9 more	45 hr
Nov 7, 3:10 AM MST	Winter Weather Advisory	GLD	Cheyenne, Kit Carson, Yuma	34 hr
Nov 7, 4:06 AM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Douglas, Elbert, Logan, Morgan and 2 more	24 hr
Nov 8, 3:46 AM MST	Winter Weather Advisory	BOU	Elbert, Lincoln, Washington	4 hr
Nov 11, 4:36 AM MST	Winter Weather Advisory	PUB	Conejos, Lake, Mineral, Rio Grande, Saguache	67 hr
Nov 11, 10:23 AM MST	Winter Weather Advisory	BOU	Grand, Jackson, Summit	54 hr
Nov 11, 3:00 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	51 hr
Nov 18, 4:31 AM MST	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Mesa, Moffat and 4 more	49 hr
Nov 18, 3:47 PM MST	Winter Weather Advisory	BOU	Grand, Jackson	19 hr
Nov 19, 2:07 PM MST	Winter Weather Advisory	BOU	Grand, Jackson	9 hr
Nov 21, 8:45 AM MST	Winter Weather Advisory	GJT	Archuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more	9 hr
Nov 29, 3:06 PM MST	Winter Weather Advisory	GJT	Eagle, Garfield, Mesa, Moffat, Rio Blanco, Routt	47 hr
Nov 30, 11:27 AM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 14 more	27 hr
Nov 30, 11:40 AM MST	Winter Weather Advisory	PUB	Custer, El Paso, Fremont, Huerfano, Las Animas, Pueblo and 1 more	32 hr
Nov 30, 12:54 PM MST	Winter Weather Advisory	GLD	Cheyenne, Kit Carson, Yuma	23 hr
Dec 2, 3:40 AM MST	Winter Weather Advisory	PUB	Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 12 more	36 hr
Dec 2, 4:24 AM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 10 more	43 hr
Dec 2, 2:05 PM MST	Winter Weather Advisory	GLD	Cheyenne, Kit Carson	27 hr
Dec 2, 7:57 PM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 9 more	18 hr
Dec 3, 3:20 PM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 8 more	32 hr
Dec 3, 3:36 PM MST	Winter Weather Advisory	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 10 more	41 hr
Dec 12, 2:10 AM MST	Winter Weather Advisory	GJT	Delta, Dolores, Eagle, Garfield, Gunnison, Hinsdale and 9 more	60 hr
Dec 12, 7:30 PM MST	Winter Weather Advisory	PUB	Alamosa, Conejos, Costilla, Custer, Fremont, Huerfano and 4 more	32 hr
Dec 13, 9:37 AM MST	Winter Weather Advisory	BOU	Phillips, Sedgwick	83 min
Dec 18, 3:29 PM MST	Winter Weather Advisory	PUB	Costilla, Custer, Fremont, Huerfano, Las Animas, Pueblo	18 hr
Dec 19, 4:08 AM MST	Winter Weather Advisory	GLD	Kit Carson	23 hr
Dec 19, 4:58 AM MST	Winter Weather Advisory	BOU	Elbert, Lincoln, Logan, Phillips, Washington	23 hr
Dec 19, 9:36 AM MST	Winter Weather Advisory	PUB	Alamosa, Baca, Bent, Chaffee, Costilla, Crowley and 11 more	22 hr
Dec 20, 3:29 AM MST	Winter Weather Advisory	GLD	Cheyenne	6 hr
Dec 20, 3:37 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	52 hr
Dec 21, 3:44 AM MST	Winter Weather Advisory	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more	40 hr
Dec 21, 4:33 AM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Clear Creek, Elbert, Gilpin and 10 more	30 hr
Dec 21, 2:23 PM MST	Winter Weather Advisory	GLD	Kit Carson, Yuma	21 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 2010 2012

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.