Weather alerts in Colorado, December 2018

51 weather alerts in December 2018, 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 2018. Tap one for its archive.

Alerts: 51
Warnings: 13
Watches: 11
Advisories: 26
Busiest day: December 12, 20187 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, 2:47 AM MST	Dense Fog Advisory	BOU	Boulder, Broomfield, Jefferson, Larimer, Weld	4 hr
Dec 1, 8:20 AM MST	High Wind Warning	GLD	Cheyenne, Kit Carson, Yuma	7 hr
Dec 1, 2:32 PM MST	Winter Weather Advisory	GJT	Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more	27 hr
Dec 1, 2:54 PM MST	Winter Weather Advisory	PUB	Conejos, Costilla, Huerfano, Las Animas, Mineral, Rio Grande	37 hr
Dec 6, 3:42 AM MST	Winter Weather Advisory	GJT	Archuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more	23 hr
Dec 6, 3:45 AM MST	Winter Weather Advisory	PUB	Conejos, Mineral, Rio Grande	24 hr
Dec 7, 6:09 PM MST	Dense Fog Advisory	GJT	Dolores, Moffat, Montezuma, Rio Blanco, Routt, San Miguel	16 hr
Dec 11, 3:01 PM MST	High Wind Watch	PUB	Baca, Bent, Crowley, El Paso, Kiowa, Las Animas and 2 more	20 hr
Dec 11, 7:37 PM MST	High Wind Watch	GLD	Cheyenne, Kit Carson	16 hr
Dec 12, 3:40 AM MST	Winter Weather Advisory	GJT	Eagle, Garfield, Gunnison, Hinsdale, Moffat, Montrose and 5 more	25 hr
Dec 12, 9:43 AM MST	Wind Advisory	GJT	Dolores, Garfield, La Plata, Moffat, Montezuma, Rio Blanco and 1 more	12 hr
Dec 12, 10:40 AM MST	High Wind Warning	PUB	Baca, Bent, Crowley, El Paso, Kiowa, Las Animas and 3 more	24 hr
Dec 12, 11:03 AM MST	High Wind Warning	BOU	Elbert, Lincoln	15 hr
Dec 12, 11:04 AM MST	Winter Weather Advisory	PUB	Huerfano, Las Animas	15 hr
Dec 12, 11:30 AM MST	High Wind Warning	GLD	Cheyenne, Kit Carson	22 hr
Dec 17, 3:32 PM MST	High Wind Watch	BOU	Adams, Arapahoe, Elbert, Larimer, Lincoln, Logan and 3 more	18 hr
Dec 18, 9:57 AM MST	High Wind Warning	BOU	Adams, Arapahoe, Elbert, Larimer, Lincoln, Logan and 3 more	31 hr
Dec 18, 10:08 AM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	31 hr
Dec 18, 10:12 AM MST	Winter Weather Advisory	GJT	Eagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt	31 hr
Dec 18, 11:07 AM MST	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	30 hr
Dec 19, 3:12 PM MST	Fire Weather Watch	PUB	El Paso, Fremont, Huerfano, Las Animas, Pueblo	23 hr
Dec 20, 2:22 PM MST	Red Flag Warning	PUB	El Paso, Fremont, Huerfano, Las Animas, Pueblo	27 hr
Dec 21, 3:50 AM MST	Winter Weather Advisory	BOU	Grand, Jackson	32 hr
Dec 21, 3:51 AM MST	Winter Weather Advisory	GJT	Eagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt	34 hr
Dec 22, 6:36 AM MST	Special Weather Statement	BOU	Morgan, Weld	54 min
Dec 23, 1:45 PM MST	Winter Storm Watch	GJT	Archuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more	24 hr
Dec 23, 1:45 PM MST	Winter Weather Advisory	GJT	Delta, Eagle, Garfield, Gunnison, Moffat, Montrose and 3 more	28 hr
Dec 23, 2:40 PM MST	Winter Storm Watch	PUB	Conejos, Mineral, Rio Grande	25 hr
Dec 24, 1:08 PM MST	Winter Storm Watch	GLD	Cheyenne, Kit Carson, Yuma	15 hr
Dec 24, 2:11 PM MST	Winter Storm Warning	GJT	Archuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more	39 hr
Dec 24, 3:11 PM MST	Winter Weather Advisory	PUB	Alamosa, Chaffee, Conejos, Costilla, Crowley, Custer and 9 more	60 hr
Dec 24, 8:58 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Garfield, Gunnison, Hinsdale and 7 more	45 hr
Dec 25, 12:30 AM MST	Dense Fog Advisory	GJT	Delta, Garfield, Gunnison, Mesa, Montrose	3 hr
Dec 25, 3:55 AM MST	Winter Storm Warning	GLD	Cheyenne, Kit Carson, Yuma	55 hr
Dec 25, 4:53 AM MST	Winter Storm Watch	BOU	Elbert, Lincoln, Logan, Phillips, Sedgwick, Washington	23 hr
Dec 25, 10:11 AM MST	Winter Storm Warning	PUB	Baca, Bent, Crowley, Huerfano, Kiowa, Las Animas and 3 more	41 hr
Dec 26, 4:21 AM MST	Winter Weather Advisory	BOU	Elbert, Lincoln, Phillips, Sedgwick, Washington	14 hr
Dec 26, 9:42 AM MST	Dense Fog Advisory	GJT	Delta, Gunnison, Mesa, Montrose	2 hr
Dec 27, 2:51 AM MST	Winter Storm Watch	GJT	Archuleta, Dolores, La Plata, Montezuma, San Miguel	12 hr
Dec 27, 2:51 AM MST	Winter Weather Advisory	GJT	Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more	45 hr
Dec 27, 3:22 AM MST	Winter Weather Advisory	PUB	Baca, Kiowa, Prowers	3 hr
Dec 27, 6:48 AM MST	High Wind Warning	GLD	Cheyenne, Kit Carson, Yuma	4 hr
Dec 27, 3:06 PM MST	Winter Weather Advisory	PUB	Conejos, Mineral, Rio Grande, Saguache	32 hr
Dec 27, 3:14 PM MST	Winter Storm Warning	GJT	Archuleta, Dolores, La Plata, Montezuma, San Miguel	33 hr
Dec 29, 2:47 PM MST	Winter Storm Watch	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 6 more	24 hr
Dec 30, 3:40 AM MST	Winter Storm Watch	GJT	Archuleta, La Plata	12 hr
Dec 30, 3:40 AM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Garfield, Gunnison, Hinsdale and 7 more	61 hr
Dec 30, 1:56 PM MST	Winter Weather Advisory	BOU	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 6 more	27 hr
Dec 30, 3:10 PM MST	Winter Storm Warning	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 6 more	50 hr
Dec 30, 3:10 PM MST	Winter Weather Advisory	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 6 more	44 hr
Dec 30, 3:24 PM MST	Winter Storm Warning	GJT	Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more	50 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
Special Weather Statement	1
Winter
Winter Storm Warning	6
Winter Storm Watch	7
Winter Weather Advisory	21
Wind and dust
High Wind Warning	6
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 2017 2019

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.