Weather alerts in Montana, December 2019

73 weather alerts in December 2019, 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 2019. Tap one for its archive.

Alerts: 73
Warnings: 16
Watches: 8
Advisories: 35
Busiest day: December 14, 20197 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, 3:38 AM MST	Winter Weather Advisory	TFX		56 hr
Dec 1, 2:06 PM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	68 hr
Dec 2, 7:07 AM MST	High Wind Warning	GGW	Phillips	9 hr
Dec 2, 1:52 PM MST	Winter Weather Advisory	MSO	Flathead, Lake, Mineral, Missoula, Sanders	21 hr
Dec 2, 3:03 PM MST	High Wind Warning	BYZ	Sweet Grass	43 hr
Dec 6, 9:34 AM MST	Winter Weather Advisory	TFX		56 hr
Dec 6, 2:15 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	52 hr
Dec 6, 2:26 PM MST	Winter Weather Advisory	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	53 hr
Dec 6, 8:39 PM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	20 hr
Dec 7, 3:14 AM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 7 more	41 hr
Dec 9, 11:47 AM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon	18 hr
Dec 10, 1:23 PM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	24 hr
Dec 11, 3:28 AM MST	Winter Storm Watch	BYZ	Carbon, Park, Stillwater, Sweet Grass	10 hr
Dec 11, 3:31 AM MST	Winter Storm Watch	MSO	Mineral, Missoula, Sanders	10 hr
Dec 11, 3:31 AM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 3 more	55 hr
Dec 11, 9:04 AM MST	Winter Weather Advisory	GGW	Daniels, Sheridan	12 hr
Dec 11, 1:35 PM MST	Winter Storm Warning	BYZ	Carbon, Park, Stillwater, Sweet Grass	49 hr
Dec 11, 2:53 PM MST	Winter Weather Advisory	TFX		56 hr
Dec 12, 7:38 AM MST	Special Weather Statement	BYZ	Custer, Fallon, Rosebud	3 hr
Dec 12, 3:54 PM MST	Winter Weather Advisory	GGW	Daniels, Garfield, McCone, Richland, Roosevelt, Sheridan and 1 more	5 hr
Dec 13, 6:51 AM MST	Special Weather Statement	TFX	Chouteau, Judith Basin	84 min
Dec 13, 8:16 AM MST	Winter Weather Advisory	BYZ	Big Horn, Powder River, Rosebud, Yellowstone	11 hr
Dec 13, 8:29 AM MST	Special Weather Statement	TFX	Chouteau	91 min
Dec 13, 12:50 PM MST	Special Weather Statement	TFX	Blaine, Chouteau, Fergus, Hill, Liberty	85 min
Dec 13, 1:11 PM MST	Wind Chill Advisory	GGW	Sheridan	20 hr
Dec 13, 1:54 PM MST	Winter Weather Advisory	MSO	Granite, Mineral, Missoula, Ravalli, Sanders	23 hr
Dec 13, 5:04 PM MST	Winter Weather Advisory	TFX		6 hr
Dec 13, 5:08 PM MST	Special Weather Statement	BYZ	Musselshell, Yellowstone	3 hr
Dec 13, 7:26 PM MST	Dense Fog Advisory	BYZ	Big Horn, Golden Valley, Musselshell, Yellowstone	15 hr
Dec 13, 8:54 PM MST	Dense Fog Advisory	TFX		7 hr
Dec 14, 10:51 AM MST	Special Weather Statement	BYZ	Golden Valley, Musselshell, Yellowstone	114 min
Dec 14, 1:52 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Granite, Lake, Mineral, Missoula, Powell and 3 more	45 hr
Dec 14, 4:35 PM MST	Snow Squall Warning	MSO	Missoula	40 min
Dec 14, 5:14 PM MST	Snow Squall Warning	MSO	Missoula	46 min
Dec 14, 6:21 PM MST	Special Weather Statement	TFX	Powell	39 min
Dec 14, 7:13 PM MST	Special Weather Statement	TFX	Lewis and Clark	47 min
Dec 14, 7:38 PM MST	Snow Squall Warning	MSO	Granite, Missoula, Powell	52 min
Dec 15, 2:10 PM MST	Winter Weather Advisory	TFX		48 hr
Dec 15, 3:22 PM MST	Special Weather Statement	MSO	Missoula	38 min
Dec 15, 4:17 PM MST	Special Weather Statement	MSO	Missoula	43 min
Dec 15, 5:04 PM MST	Special Weather Statement	MSO	Missoula	41 min
Dec 15, 5:39 PM MST	Snow Squall Warning	MSO	Granite, Missoula	36 min
Dec 15, 6:15 PM MST	Snow Squall Warning	MSO	Granite, Missoula, Powell	30 min
Dec 15, 6:47 PM MST	Special Weather Statement	MSO	Missoula	43 min
Dec 15, 8:10 PM MST	High Wind Watch	TFX		13 hr
Dec 16, 2:30 AM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	58 hr
Dec 16, 9:20 AM MST	High Wind Warning	TFX		24 hr
Dec 16, 8:39 PM MST	High Wind Warning	BYZ	Sweet Grass	29 hr
Dec 17, 1:44 PM MST	Winter Storm Watch	MSO	Flathead, Lincoln, Mineral, Missoula, Sanders	48 hr
Dec 18, 3:00 AM MST	High Wind Watch	TFX		35 hr
Dec 18, 12:46 PM MST	Winter Weather Advisory	MSO	Flathead, Lincoln, Mineral, Missoula, Sanders	22 hr
Dec 19, 2:14 AM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	70 hr
Dec 19, 1:27 PM MST	Winter Storm Warning	MSO	Flathead, Lincoln, Mineral, Missoula, Sanders	19 hr
Dec 19, 1:27 PM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Missoula, Powell, Ravalli and 1 more	19 hr
Dec 19, 1:30 PM MST	Winter Storm Warning	TFX		20 hr
Dec 19, 1:44 PM MST	High Wind Warning	TFX		58 hr
Dec 23, 2:15 AM MST	Winter Weather Advisory	TFX		48 hr
Dec 23, 4:18 AM MST	Dense Fog Advisory	TFX		11 hr
Dec 23, 6:45 PM MST	Special Weather Statement	MSO	Missoula	45 min
Dec 23, 7:21 PM MST	Dense Fog Advisory	GGW	Daniels, Dawson, McCone, Phillips, Richland, Roosevelt and 3 more	15 hr
Dec 23, 7:36 PM MST	Dense Fog Advisory	TFX		42 hr
Dec 24, 7:31 PM MST	Freezing Fog Advisory	MSO	Missoula, Ravalli	15 hr
Dec 24, 11:28 PM MST	Special Weather Statement	BYZ	Custer, Fallon, Musselshell, Rosebud, Treasure	2 hr
Dec 29, 1:54 PM MST	Winter Weather Advisory	MSO	Missoula, Ravalli	6 hr
Dec 29, 2:19 PM MST	High Wind Watch	TFX		24 hr
Dec 30, 3:56 AM MST	Winter Storm Watch	MSO	Mineral, Missoula, Sanders	11 hr
Dec 30, 1:48 PM MST	Winter Storm Warning	TFX		38 hr
Dec 30, 1:54 PM MST	High Wind Warning	TFX		43 hr
Dec 30, 2:26 PM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more	69 hr
Dec 30, 4:07 PM MST	Winter Weather Advisory	MSO	Flathead, Lake, Sanders	26 hr
Dec 30, 9:24 PM MST	Flood Watch	TFX		54 hr
Dec 31, 3:31 AM MST	High Wind Warning	BYZ	Park, Stillwater, Sweet Grass, Wheatland	41 hr
Dec 31, 3:59 AM MST	Winter Weather Advisory	TFX		47 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	14
Flooding
Flood Watch	1
Winter
Snow Squall Warning	5
Winter Storm Warning	4
Winter Storm Watch	4
Winter Weather Advisory	23
Cold
Wind Chill Advisory	1
Wind and dust
High Wind Warning	7
High Wind Watch	3
Wind Advisory	5
Fog and smoke
Dense Fog Advisory	5
Freezing Fog Advisory	1

Nearby

Alerts in force now Tornadoes on record The radar archive 2018 2020

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.