Weather alerts in Colorado, January 2020

42 weather alerts in January 2020, 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 January 2020. Tap one for its archive.

Alerts: 42
Warnings: 14
Watches: 4
Advisories: 24
Busiest day: January 16, 20209 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
Jan 1, 3:59 AM MST	Winter Weather Advisory	PUB	Chaffee, Lake, Saguache	31 hr
Jan 1, 11:28 AM MST	High Wind Warning	BOU	Larimer, Weld	4 hr
Jan 4, 11:18 PM MST	Dense Fog Advisory	GJT	Garfield, Mesa	10 hr
Jan 5, 3:18 AM MST	Winter Weather Advisory	GJT	Moffat, Routt	35 hr
Jan 5, 1:00 PM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	26 hr
Jan 5, 10:53 PM MST	Dense Fog Advisory	GJT	Delta, Gunnison, Mesa, Montrose	10 hr
Jan 6, 3:05 AM MST	High Wind Warning	GLD	Cheyenne, Kit Carson, Yuma	14 hr
Jan 6, 4:55 AM MST	High Wind Warning	BOU	Boulder, Clear Creek, Douglas, Gilpin, Jefferson, Larimer and 5 more	28 hr
Jan 7, 2:11 PM MST	Areal Flood Advisory	GJT	Eagle, Garfield, Pitkin	5 days
Jan 7, 10:48 PM MST	Dense Fog Advisory	GJT	Garfield, Mesa	12 hr
Jan 9, 1:28 AM MST	Dense Fog Advisory	GJT	Delta, Gunnison, Mesa, Montrose	7 hr
Jan 10, 4:02 AM MST	Winter Weather Advisory	PUB	Baca, Las Animas, Prowers	14 hr
Jan 10, 2:20 PM MST	Winter Storm Warning	GJT	Moffat, Routt	3 days
Jan 10, 2:20 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	3 days
Jan 10, 2:41 PM MST	Winter Weather Advisory	BOU	Grand, Jackson	39 hr
Jan 10, 11:13 PM MST	Wind Chill Advisory	GLD	Cheyenne, Kit Carson, Yuma	9 hr
Jan 12, 2:13 PM MST	Winter Weather Advisory	PUB	Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache	25 hr
Jan 13, 3:07 PM MST	Red Flag Warning	PUB	Baca, Las Animas	26 hr
Jan 14, 8:50 PM MST	Snow Squall Warning	BOU	Larimer	40 min
Jan 15, 2:16 PM MST	Winter Storm Watch	GJT	Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more	6 hr
Jan 15, 3:02 PM MST	Winter Storm Watch	PUB	Conejos, Mineral, Rio Grande	6 hr
Jan 15, 8:29 PM MST	Winter Storm Warning	GJT	Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more	45 hr
Jan 15, 8:37 PM MST	Winter Storm Warning	PUB	Conejos, Mineral, Rio Grande	44 hr
Jan 16, 4:33 AM MST	High Wind Watch	BOU	Boulder, Broomfield, Clear Creek, Douglas, Gilpin, Jefferson and 3 more	10 hr
Jan 16, 2:01 PM MST	Winter Weather Advisory	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	30 hr
Jan 16, 2:09 PM MST	High Wind Warning	BOU	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 13 more	36 hr
Jan 16, 2:58 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Eagle, Garfield, Gunnison, Hinsdale and 8 more	29 hr
Jan 16, 3:11 PM MST	High Wind Watch	PUB	Custer, El Paso, Fremont, Huerfano, Pueblo, Teller	13 hr
Jan 16, 3:11 PM MST	High Wind Warning	PUB	Alamosa, Baca, Bent, Chaffee, Costilla, Crowley and 12 more	32 hr
Jan 16, 3:13 PM MST	Winter Weather Advisory	PUB	Alamosa, Baca, Bent, Chaffee, Costilla, Custer and 7 more	29 hr
Jan 17, 5:37 AM MST	Dense Fog Advisory	GLD	Cheyenne, Kit Carson, Yuma	3 hr
Jan 17, 3:44 PM MST	High Wind Warning	GLD	Cheyenne, Kit Carson, Yuma	8 hr
Jan 23, 3:38 AM MST	Dense Fog Advisory	GJT	Dolores, Garfield, La Plata, Mesa, Moffat, Montrose and 2 more	6 hr
Jan 24, 12:17 AM MST	Dense Fog Advisory	GJT	Delta, Dolores, Garfield, Gunnison, Mesa, Moffat and 4 more	12 hr
Jan 25, 4:58 AM MST	Dense Fog Advisory	GJT	Garfield, Moffat, Rio Blanco	6 hr
Jan 27, 2:51 AM MST	Winter Weather Advisory	GJT	Moffat, Routt	21 hr
Jan 27, 4:31 AM MST	Winter Weather Advisory	BOU	Grand, Jackson	19 hr
Jan 27, 7:35 PM MST	Winter Weather Advisory	GLD	Kit Carson, Yuma	11 hr
Jan 27, 8:52 PM MST	Winter Weather Advisory	PUB	Baca, Prowers	7 hr
Jan 30, 5:57 PM MST	Snow Squall Warning	BOU	Larimer, Weld	48 min
Jan 30, 6:07 PM MST	Snow Squall Warning	BOU	Douglas, Elbert	53 min
Jan 31, 3:13 AM MST	Red Flag Warning	PUB	Baca, Bent, Crowley, Kiowa, Las Animas, Otero and 1 more	14 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Flooding
Areal Flood Advisory	1
Winter
Snow Squall Warning	3
Winter Storm Warning	3
Winter Storm Watch	2
Winter Weather Advisory	14
Cold
Wind Chill Advisory	1
Wind and dust
High Wind Warning	6
High Wind Watch	2
Fire
Red Flag Warning	2
Fog and smoke
Dense Fog Advisory	8

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 2019 2021

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.