Weather alerts in Colorado, December 2016

80 weather alerts in December 2016, 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 2016. Tap one for its archive.

Alerts: 80
Warnings: 25
Watches: 15
Advisories: 38
Busiest day: December 10, 20168 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 4, 3:42 AM MST	Winter Storm Watch	GJT	Delta, Eagle, Garfield, Gunnison, Moffat, Montrose and 3 more	12 hr
Dec 4, 3:14 PM MST	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Mesa, Moffat and 4 more	63 hr
Dec 5, 2:07 AM MST	High Wind Warning	BOU	Boulder, Clear Creek, Douglas, Gilpin, Jefferson, Larimer and 1 more	7 hr
Dec 5, 2:48 PM MST	Winter Storm Watch	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	14 hr
Dec 5, 2:48 PM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 10 more	44 hr
Dec 5, 3:16 PM MST	Winter Weather Advisory	PUB	Chaffee, El Paso, Fremont, Lake, Saguache, Teller	42 hr
Dec 5, 3:17 PM MST	High Wind Warning	BOU	Logan, Morgan, Washington, Weld	3 hr
Dec 7, 7:29 AM MST	Dense Fog Advisory	GJT	Garfield, Mesa	3 hr
Dec 7, 1:28 PM MST	Wind Chill Advisory	GLD	Cheyenne, Kit Carson, Yuma	19 hr
Dec 7, 2:21 PM MST	Wind Chill Advisory	BOU	Logan, Phillips, Sedgwick, Washington	18 hr
Dec 7, 7:45 PM MST	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Mesa, Moffat and 4 more	40 hr
Dec 7, 8:50 PM MST	Wind Chill Warning	GLD	Yuma	11 hr
Dec 8, 4:06 AM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	21 hr
Dec 9, 1:32 AM MST	Winter Storm Warning	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	14 hr
Dec 9, 1:36 AM MST	Winter Storm Warning	GJT	Eagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt	16 hr
Dec 9, 3:06 AM MST	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	9 hr
Dec 9, 2:38 PM MST	Winter Storm Watch	GJT	Delta, Eagle, Garfield, Gunnison, Mesa, Moffat and 4 more	6 hr
Dec 9, 3:03 PM MST	Winter Storm Watch	PUB	Chaffee, Lake, Saguache	13 hr
Dec 9, 3:32 PM MST	Winter Storm Watch	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	13 hr
Dec 9, 8:18 PM MST	Winter Storm Warning	GJT	Delta, Eagle, Garfield, Gunnison, Mesa, Moffat and 4 more	45 hr
Dec 10, 2:34 AM MST	Winter Weather Advisory	GJT	Eagle, Garfield, Mesa, Moffat, Pitkin, Rio Blanco and 1 more	33 hr
Dec 10, 4:00 AM MST	Winter Storm Warning	PUB	Chaffee, Lake, Saguache	31 hr
Dec 10, 4:00 AM MST	Winter Weather Advisory	PUB	Chaffee, Lake	31 hr
Dec 10, 4:58 AM MST	Winter Storm Warning	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	30 hr
Dec 10, 4:58 AM MST	Winter Weather Advisory	BOU	Grand, Jackson, Summit	30 hr
Dec 10, 7:08 AM MST	Dense Fog Advisory	GJT	Gunnison, Montrose	112 min
Dec 10, 3:01 PM MST	High Wind Warning	PUB	Alamosa, Chaffee, Costilla, Custer, Fremont, Huerfano and 2 more	13 hr
Dec 12, 9:01 PM MST	Dense Fog Advisory	GJT	Archuleta, La Plata	12 hr
Dec 13, 3:06 PM MST	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Moffat, Montrose and 3 more	33 hr
Dec 13, 6:31 PM MST	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	29 hr
Dec 14, 3:21 AM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	26 hr
Dec 14, 2:57 PM MST	Winter Storm Watch	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	19 hr
Dec 14, 3:00 PM MST	Fire Weather Watch	PUB	Baca, Bent, Crowley, El Paso, Huerfano, Las Animas and 2 more	18 hr
Dec 14, 3:07 PM MST	Winter Storm Watch	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	13 hr
Dec 14, 4:02 PM MST	Winter Storm Watch	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	12 hr
Dec 14, 9:54 PM MST	High Wind Watch	PUB	Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more	11 hr
Dec 15, 3:45 AM MST	Winter Storm Warning	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	55 hr
Dec 15, 4:16 AM MST	Winter Storm Warning	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	55 hr
Dec 15, 4:16 AM MST	Winter Weather Advisory	PUB	Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 15 more	59 hr
Dec 15, 8:56 AM MST	High Wind Warning	PUB	Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more	32 hr
Dec 15, 8:57 AM MST	Red Flag Warning	PUB	Baca, Bent, Crowley, El Paso, Huerfano, Las Animas and 2 more	33 hr
Dec 15, 10:21 AM MST	Winter Storm Warning	BOU	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 9 more	47 hr
Dec 16, 9:09 AM MST	Winter Weather Advisory	GJT	Archuleta, La Plata	7 hr
Dec 16, 12:34 PM MST	Wind Chill Advisory	GLD	Cheyenne, Kit Carson, Yuma	28 hr
Dec 16, 12:58 PM MST	Wind Chill Advisory	BOU	Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 8 more	23 hr
Dec 16, 3:22 PM MST	Wind Advisory	GJT	Delta, Dolores, Eagle, Garfield, Gunnison, Mesa and 6 more	8 hr
Dec 16, 5:57 PM MST	Wind Chill Warning	BOU	Adams, Arapahoe, Elbert, Lincoln, Logan, Morgan and 4 more	18 hr
Dec 16, 8:10 PM MST	Wind Chill Warning	GLD	Kit Carson, Yuma	15 hr
Dec 16, 8:10 PM MST	Wind Chill Advisory	GLD	Kit Carson, Yuma	21 hr
Dec 16, 9:04 PM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 9 more	11 hr
Dec 16, 9:52 PM MST	Winter Weather Advisory	GJT	Moffat, Rio Blanco, Routt	7 hr
Dec 17, 1:18 AM MST	Winter Weather Advisory	GLD	Kit Carson, Yuma	11 hr
Dec 17, 11:07 AM MST	Winter Storm Warning	GJT	Archuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more	9 hr
Dec 17, 12:27 PM MST	Wind Chill Warning	GLD	Cheyenne, Kit Carson, Yuma	21 hr
Dec 18, 1:10 PM MST	Wind Chill Advisory	GLD	Cheyenne, Kit Carson, Yuma	19 hr
Dec 21, 3:13 PM MST	Winter Storm Warning	GJT	Archuleta, Delta, Dolores, Garfield, Gunnison, Hinsdale and 7 more	41 hr
Dec 21, 3:13 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 10 more	41 hr
Dec 21, 3:17 PM MST	Winter Storm Warning	PUB	Conejos, Costilla, Huerfano, Las Animas, Mineral, Rio Grande	41 hr
Dec 21, 8:56 PM MST	Winter Weather Advisory	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 5 more	35 hr
Dec 22, 8:59 AM MST	Dense Fog Advisory	GJT	Moffat, Rio Blanco, Routt	3 hr
Dec 22, 2:05 PM MST	Freezing Rain Advisory	GLD	Cheyenne, Kit Carson, Yuma	19 hr
Dec 23, 2:35 AM MST	Winter Storm Watch	BOU	Grand, Jackson	25 hr
Dec 23, 2:53 AM MST	Winter Storm Watch	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	21 hr
Dec 23, 4:39 AM MST	Freezing Rain Advisory	BOU	Elbert, Lincoln, Washington	4 hr
Dec 23, 9:29 AM MST	Winter Storm Watch	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	19 hr
Dec 23, 2:26 PM MST	Winter Storm Warning	GJT	Archuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more	50 hr
Dec 23, 2:38 PM MST	High Wind Watch	BOU	Boulder, Broomfield, Clear Creek, Douglas, Gilpin, Jefferson and 3 more	24 hr
Dec 23, 9:24 PM MST	Winter Storm Warning	PUB	Conejos, Mineral, Rio Grande	50 hr
Dec 23, 9:24 PM MST	Winter Weather Advisory	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 6 more	50 hr
Dec 23, 11:24 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 10 more	49 hr
Dec 24, 3:51 AM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	44 hr
Dec 24, 2:39 PM MST	High Wind Warning	BOU	Boulder, Broomfield, Clear Creek, Douglas, Gilpin, Jefferson and 8 more	33 hr
Dec 24, 3:20 PM MST	High Wind Watch	PUB	Alamosa, Baca, Chaffee, Costilla, Custer, Fremont and 3 more	13 hr
Dec 24, 6:37 PM MST	Special Weather Statement	GJT	Mesa	83 min
Dec 25, 1:36 AM MST	Mesoscale Discussion	SPC	Baca, Las Animas	2 hr
Dec 25, 3:59 AM MST	High Wind Warning	GLD	Cheyenne, Kit Carson, Yuma	13 hr
Dec 25, 4:14 AM MST	High Wind Warning	PUB	Alamosa, Baca, Bent, Chaffee, Costilla, Crowley and 11 more	19 hr
Dec 27, 1:27 PM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	29 hr
Dec 27, 2:16 PM MST	Winter Weather Advisory	GJT	Eagle, Garfield, Moffat, Pitkin, Routt	27 hr
Dec 31, 10:51 AM MST	Winter Weather Advisory	GJT	Dolores, Montezuma, San Miguel	7 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
Special Weather Statement	1
Winter
Winter Storm Warning	13
Winter Storm Watch	11
Freezing Rain Advisory	2
Winter Weather Advisory	25
Cold
Wind Chill Warning	4
Wind Chill Advisory	6
Wind and dust
High Wind Warning	7
High Wind Watch	3
Wind Advisory	1
Fire
Red Flag Warning	1
Fire Weather Watch	1
Fog and smoke
Dense Fog Advisory	4

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 2015 2017

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.