Alert archive / Colorado / Winter Weather Advisories

Winter Weather Advisories in Colorado, 2017

108 winter weather advisories in 2017. 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 2017. Tap one for its archive.

Winter Weather Advisories: 108
Busiest month: January24 winter weather advisories
Busiest day: November 6, 20174 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 2, 3:24 AM MST	Winter Weather Advisory	BOU	Boulder, Grand, Jackson, Larimer	39 hr
Jan 2, 3:57 AM MST	Winter Weather Advisory	GJT	Moffat, Rio Blanco, Routt	26 hr
Jan 3, 5:51 AM MST	Winter Weather Advisory	GJT	Eagle, Garfield, Moffat, Rio Blanco, Routt	6 hr
Jan 3, 3:10 PM MST	Winter Weather Advisory	PUB	Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 15 more	64 hr
Jan 3, 3:42 PM MST	Winter Weather Advisory	GJT	Delta, Dolores, Garfield, Gunnison, La Plata, Mesa and 5 more	58 hr
Jan 4, 4:48 PM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Elbert, Lincoln, Logan, Morgan and 4 more	18 hr
Jan 5, 11:10 AM MST	Winter Weather Advisory	BOU	Grand, Summit	110 min
Jan 5, 3:19 PM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jefferson, Park and 1 more	6 hr
Jan 8, 5:49 AM MST	Winter Weather Advisory	BOU	Boulder, Grand, Jackson, Larimer	5 hr
Jan 8, 7:45 AM MST	Winter Weather Advisory	GJT	Garfield, Mesa	3 hr
Jan 9, 11:51 AM MST	Winter Weather Advisory	GJT	Eagle, Garfield, Pitkin	21 hr
Jan 10, 4:53 AM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	19 hr
Jan 10, 3:21 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Garfield, Gunnison, Hinsdale and 10 more	42 hr
Jan 12, 4:26 AM MST	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	4 days
Jan 12, 11:24 AM MST	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 6 more	54 hr
Jan 12, 3:26 PM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 3 more	3 hr
Jan 14, 1:07 PM MST	Winter Weather Advisory	PUB	Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 15 more	58 hr
Jan 14, 2:03 PM MST	Winter Weather Advisory	BOU	Arapahoe, Douglas, Elbert, Lincoln, Phillips, Sedgwick and 1 more	45 hr
Jan 15, 2:45 AM MST	Winter Weather Advisory	GLD	Cheyenne, Kit Carson, Yuma	38 hr
Jan 18, 3:41 PM MST	Winter Weather Advisory	GJT	Delta, Dolores, Eagle, Garfield, Gunnison, Hinsdale and 8 more	4 days
Jan 19, 4:02 AM MST	Winter Weather Advisory	PUB	Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more	64 hr
Jan 22, 3:50 AM MST	Winter Weather Advisory	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 6 more	61 hr
Jan 22, 4:30 AM MST	Winter Weather Advisory	GJT	Delta, Dolores, Eagle, Garfield, Gunnison, Hinsdale and 8 more	3 days
Jan 23, 3:38 AM MST	Winter Weather Advisory	BOU	Grand, Jackson	37 hr
Feb 1, 1:31 PM MST	Winter Weather Advisory	GLD	Cheyenne, Kit Carson, Yuma	21 hr
Feb 1, 1:44 PM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 11 more	19 hr
Feb 1, 2:57 PM MST	Winter Weather Advisory	PUB	Crowley, Custer, El Paso, Fremont, Kiowa, Pueblo and 1 more	32 hr
Feb 3, 3:26 AM MST	Winter Weather Advisory	GJT	Eagle, Garfield, Moffat, Rio Blanco, Routt	30 hr
Feb 3, 3:14 PM MST	Winter Weather Advisory	BOU	Boulder, Grand, Jackson, Larimer	18 hr
Feb 5, 3:03 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Garfield, Gunnison, Hinsdale and 8 more	67 hr
Feb 6, 4:09 AM MST	Winter Weather Advisory	PUB	Conejos, Lake, Mineral, Rio Grande, Saguache	56 hr
Feb 10, 3:03 AM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	4 days
Feb 10, 2:42 PM MST	Winter Weather Advisory	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more	45 hr
Feb 11, 5:30 AM MST	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	30 hr
Feb 17, 9:02 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	53 hr
Feb 18, 3:57 AM MST	Winter Weather Advisory	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	46 hr
Feb 21, 2:48 PM MST	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 7 more	3 days
Feb 22, 2:20 PM MST	Winter Weather Advisory	BOU	Boulder, Grand, Jackson, Larimer, Logan, Phillips and 2 more	39 hr
Feb 26, 3:26 PM MST	Winter Weather Advisory	GJT	Delta, Dolores, Eagle, Garfield, Gunnison, Mesa and 8 more	53 hr
Feb 27, 8:46 PM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	20 hr
Mar 5, 3:02 AM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	36 hr
Mar 5, 5:33 AM MST	Winter Weather Advisory	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	36 hr
Mar 5, 9:47 AM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	32 hr
Mar 6, 12:09 PM MST	Winter Weather Advisory	GJT	Gunnison, Hinsdale, Montrose, Ouray, San Miguel	3 hr
Mar 22, 3:54 PM MDT	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	44 hr
Mar 23, 4:07 AM MDT	Winter Weather Advisory	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 8 more	32 hr
Mar 23, 5:00 AM MDT	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 9 more	29 hr
Mar 23, 2:43 PM MDT	Winter Weather Advisory	GLD	Cheyenne, Kit Carson, Yuma	20 hr
Mar 25, 3:30 PM MDT	Winter Weather Advisory	GJT	Archuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more	18 hr
Mar 26, 10:54 PM MDT	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	52 hr
Mar 27, 12:11 PM MDT	Winter Weather Advisory	PUB	Chaffee, Conejos, Custer, Huerfano, Lake, Las Animas and 3 more	48 hr
Mar 28, 6:04 AM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	22 hr
Mar 30, 3:29 AM MDT	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Mesa, Moffat and 6 more	49 hr
Mar 30, 3:10 PM MDT	Winter Weather Advisory	PUB	Chaffee, Conejos, Custer, El Paso, Fremont, Lake and 5 more	36 hr
Mar 31, 4:37 AM MDT	Winter Weather Advisory	BOU	Arapahoe, Boulder, Clear Creek, Douglas, Elbert, Gilpin and 5 more	29 hr
Apr 1, 3:18 AM MDT	Winter Weather Advisory	PUB	Custer, El Paso, Fremont, Huerfano, Las Animas, Teller	12 hr
Apr 2, 3:45 PM MDT	Winter Weather Advisory	GJT	Archuleta, Delta, Eagle, Garfield, Gunnison, Hinsdale and 5 more	45 hr
Apr 3, 4:10 AM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more	44 hr
Apr 3, 4:23 AM MDT	Winter Weather Advisory	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more	44 hr
Apr 20, 3:12 AM MDT	Winter Weather Advisory	GJT	Eagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt	31 hr
Apr 20, 3:52 AM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	29 hr
Apr 20, 4:15 AM MDT	Winter Weather Advisory	PUB	Chaffee, El Paso, Lake, Saguache, Teller	30 hr
Apr 24, 3:31 AM MDT	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	41 hr
Apr 24, 4:58 AM MDT	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	39 hr
Apr 25, 4:03 AM MDT	Winter Weather Advisory	PUB	Alamosa, Costilla, Custer, Fremont, Huerfano, Las Animas and 2 more	24 hr
Apr 26, 3:54 AM MDT	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	38 hr
Apr 26, 4:17 AM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	38 hr
Apr 26, 4:30 AM MDT	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Mesa, Montrose and 1 more	37 hr
Apr 28, 4:34 AM MDT	Winter Weather Advisory	PUB	Chaffee, Conejos, Custer, El Paso, Fremont, Lake and 4 more	35 hr
Apr 28, 4:49 AM MDT	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 10 more	24 hr
Apr 28, 11:49 PM MDT	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 9 more	11 hr
Apr 29, 2:16 PM MDT	Winter Weather Advisory	GLD	Yuma	23 hr
May 16, 3:38 AM MDT	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	3 days
May 17, 4:19 AM MDT	Winter Weather Advisory	PUB	Chaffee, Conejos, Costilla, El Paso, Fremont, Huerfano and 6 more	65 hr
May 18, 3:19 AM MDT	Winter Weather Advisory	BOU	Grand, Park, Summit	24 hr
Sep 23, 12:14 PM MDT	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Mesa, Moffat and 3 more	9 hr
Sep 27, 3:30 AM MDT	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 8 more	30 hr
Sep 27, 4:14 AM MDT	Winter Weather Advisory	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more	32 hr
Sep 30, 9:39 PM MDT	Winter Weather Advisory	GJT	Delta, Garfield, Gunnison, Mesa, Moffat, Montrose and 2 more	49 hr
Oct 1, 3:20 AM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	45 hr
Oct 1, 2:45 PM MDT	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	32 hr
Oct 7, 2:00 PM MDT	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 7 more	49 hr
Oct 8, 3:52 AM MDT	Winter Weather Advisory	PUB	Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more	39 hr
Oct 8, 4:14 AM MDT	Winter Weather Advisory	BOU	Adams, Arapahoe, Elbert, Grand, Jackson, Lincoln and 3 more	35 hr
Oct 28, 9:20 AM MDT	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	4 hr
Oct 29, 1:58 PM MDT	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Gunnison, Hinsdale, La Plata and 5 more	46 hr
Oct 29, 2:51 PM MDT	Winter Weather Advisory	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more	46 hr
Nov 3, 2:51 PM MDT	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	49 hr
Nov 3, 3:19 PM MDT	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Mesa, Montrose and 1 more	49 hr
Nov 6, 3:38 AM MST	Winter Weather Advisory	GJT	Archuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more	43 hr
Nov 6, 4:06 AM MST	Winter Weather Advisory	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more	49 hr
Nov 6, 2:32 PM MST	Winter Weather Advisory	GLD	Cheyenne, Kit Carson, Yuma	17 hr
Nov 6, 2:35 PM MST	Winter Weather Advisory	BOU	Arapahoe, Boulder, Douglas, Elbert, Grand, Jackson and 3 more	19 hr
Nov 16, 12:30 AM MST	Winter Weather Advisory	PUB	Chaffee, Lake, Mineral, Rio Grande, Saguache	51 hr
Nov 16, 3:48 AM MST	Winter Weather Advisory	GJT	Archuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more	48 hr
Dec 2, 8:32 PM MST	Winter Weather Advisory	GJT	Eagle, Garfield, Moffat, Rio Blanco, Routt	38 hr
Dec 3, 3:25 AM MST	Winter Weather Advisory	BOU	Boulder, Grand, Jackson, Larimer	33 hr
Dec 19, 4:10 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	56 hr
Dec 20, 3:59 AM MST	Winter Weather Advisory	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	43 hr
Dec 20, 4:03 AM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	38 hr
Dec 21, 7:13 AM MST	Winter Weather Advisory	GLD	Cheyenne, Kit Carson, Yuma	10 hr
Dec 22, 3:34 AM MST	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Moffat, Montrose and 3 more	44 hr
Dec 22, 4:11 AM MST	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	43 hr
Dec 22, 5:05 AM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jefferson, Park and 1 more	42 hr
Dec 24, 4:15 AM MST	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	34 hr
Dec 24, 4:23 AM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jefferson, Park and 1 more	50 hr
Dec 24, 1:26 PM MST	Winter Weather Advisory	GJT	Eagle, Garfield, Gunnison, Moffat, Montrose, Pitkin and 2 more	20 hr
Dec 25, 6:05 PM MST	Winter Weather Advisory	GJT	Eagle, Garfield, Moffat, Pitkin, Routt	12 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 2016 2018

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.