Weather alerts in Colorado, December 2017

42 weather alerts in December 2017, 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 2017. Tap one for its archive.

Alerts: 42
Warnings: 20
Watches: 3
Advisories: 18
Busiest day: December 24, 20176 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 2, 8:32 PM MST	Winter Weather Advisory	GJT	Eagle, Garfield, Moffat, Rio Blanco, Routt	38 hr
Dec 2, 8:39 PM MST	Wind Advisory	GJT	Delta, Dolores, Eagle, Garfield, Gunnison, Mesa and 6 more	26 hr
Dec 3, 3:25 AM MST	Winter Weather Advisory	BOU	Boulder, Grand, Jackson, Larimer	33 hr
Dec 7, 1:39 PM MST	High Wind Warning	GLD	Cheyenne, Kit Carson, Yuma	27 hr
Dec 7, 1:48 PM MST	Red Flag Warning	GLD	Cheyenne, Kit Carson, Yuma	27 hr
Dec 7, 2:31 PM MST	Red Flag Warning	BOU	Adams, Arapahoe, Douglas, Elbert, Larimer, Lincoln and 4 more	26 hr
Dec 7, 2:58 PM MST	Red Flag Warning	PUB	Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more	26 hr
Dec 8, 9:38 AM MST	High Wind Warning	BOU	Elbert, Larimer, Lincoln, Logan, Weld	5 hr
Dec 8, 9:51 AM MST	High Wind Warning	PUB	El Paso, Las Animas	5 hr
Dec 9, 2:10 AM MST	Red Flag Warning	GLD	Cheyenne, Kit Carson, Yuma	15 hr
Dec 9, 4:31 AM MST	Red Flag Warning	BOU	Elbert, Larimer, Lincoln, Logan, Morgan, Phillips and 3 more	12 hr
Dec 10, 9:32 AM MST	Red Flag Warning	GLD	Cheyenne, Kit Carson, Yuma	4 hr
Dec 10, 2:18 PM MST	Red Flag Warning	BOU	Elbert, Larimer, Lincoln, Logan, Morgan, Phillips and 3 more	27 hr
Dec 10, 3:00 PM MST	Red Flag Warning	PUB	Baca, Kiowa, Prowers	26 hr
Dec 10, 3:01 PM MST	Red Flag Warning	GLD	Cheyenne, Kit Carson, Yuma	26 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 21, 2:22 PM MST	Winter Storm Watch	GJT	Eagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt	13 hr
Dec 22, 3:34 AM MST	Winter Storm Warning	GJT	Moffat, Routt	44 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 Storm Warning	BOU	Boulder, Grand, Jackson, Larimer	42 hr
Dec 22, 5:05 AM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jefferson, Park and 1 more	42 hr
Dec 23, 1:48 PM MST	Mesoscale Discussion	SPC	Logan, Phillips, Sedgwick	5 hr
Dec 23, 1:53 PM MST	Winter Storm Watch	GJT	Delta, Eagle, Garfield, Gunnison, Moffat, Montrose and 3 more	15 hr
Dec 23, 3:09 PM MST	High Wind Warning	PUB	Chaffee, Lake, Saguache	13 hr
Dec 24, 4:15 AM MST	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	34 hr
Dec 24, 4:23 AM MST	Winter Storm Warning	BOU	Boulder, Grand, Jackson, Larimer	50 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, 4:28 AM MST	Winter Storm Warning	GJT	Delta, Eagle, Garfield, Gunnison, Moffat, Montrose and 3 more	38 hr
Dec 24, 5:33 AM MST	Wind Chill Advisory	GLD	Cheyenne, Kit Carson, Yuma	3 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
Dec 26, 3:16 AM MST	Wind Chill Advisory	GLD	Cheyenne, Kit Carson, Yuma	30 hr
Dec 26, 8:02 PM MST	Wind Chill Advisory	BOU	Logan, Phillips, Sedgwick, Washington	12 hr
Dec 28, 2:30 AM MST	High Wind Watch	BOU	Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more	8 hr
Dec 28, 10:07 AM MST	High Wind Warning	BOU	Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more	29 hr
Dec 28, 12:44 PM MST	Red Flag Warning	PUB	Costilla, Custer, El Paso, Fremont, Huerfano, Las Animas and 3 more	28 hr
Dec 29, 2:07 PM MST	Red Flag Warning	PUB	Costilla, Custer, El Paso, Fremont, Huerfano, Las Animas and 3 more	27 hr
Dec 30, 2:00 AM MST	Wind Chill Advisory	GLD	Cheyenne, Kit Carson, Yuma	33 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
Winter
Winter Storm Warning	4
Winter Storm Watch	2
Winter Weather Advisory	13
Cold
Wind Chill Advisory	4
Wind and dust
High Wind Warning	5
High Wind Watch	1
Wind Advisory	1
Fire
Red Flag Warning	11

By county

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

21 more counties

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. Rebuilt daily.