Weather alerts in Montana, December 2010

101 weather alerts in December 2010, 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 2010. Tap one for its archive.

Alerts: 101
Warnings: 15
Watches: 13
Advisories: 73
Busiest day: December 28, 20107 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, 4:15 AM MST	Winter Weather Advisory	TFX		6 hr
Dec 1, 2:35 PM MST	Winter Weather Advisory	TFX		44 hr
Dec 1, 2:47 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more	38 hr
Dec 2, 1:31 AM MST	Dense Fog Advisory	GGW	Daniels, Dawson, McCone, Phillips, Richland, Roosevelt and 3 more	12 hr
Dec 2, 3:08 AM MST	Winter Weather Advisory	GGW	Dawson, Garfield, McCone, Petroleum, Phillips, Richland and 2 more	33 hr
Dec 2, 3:50 AM MST	Winter Weather Advisory	BYZ	Golden Valley, Musselshell, Park, Rosebud, Stillwater, Treasure and 1 more	30 hr
Dec 2, 3:58 AM MST	Winter Storm Warning	MSO	Granite, Mineral, Missoula, Ravalli, Sanders	25 hr
Dec 2, 2:02 PM MST	Winter Weather Advisory	MSO	Missoula, Ravalli	15 hr
Dec 2, 2:07 PM MST	Dense Fog Advisory	GGW	Roosevelt, Valley	7 hr
Dec 3, 11:43 AM MST	Winter Weather Advisory	GGW	Dawson, Richland	3 hr
Dec 4, 3:26 AM MST	Freezing Fog Advisory	TFX		9 hr
Dec 4, 5:23 AM MST	Freezing Fog Advisory	BYZ	Big Horn, Musselshell	6 hr
Dec 4, 6:44 PM MST	Freezing Fog Advisory	TFX		16 hr
Dec 4, 9:43 PM MST	Dense Fog Advisory	BYZ	Big Horn, Carter, Custer, Fallon, Golden Valley, Musselshell and 4 more	13 hr
Dec 5, 2:53 PM MST	Dense Fog Advisory	BYZ	Big Horn, Carter, Custer, Fallon, Powder River, Rosebud and 1 more	12 hr
Dec 5, 7:40 PM MST	Dense Fog Advisory	GGW	Daniels, Dawson, Garfield, McCone, Phillips, Prairie and 5 more	32 hr
Dec 7, 8:43 PM MST	Freezing Fog Advisory	TFX		13 hr
Dec 8, 3:30 AM MST	Winter Storm Watch	MSO	Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more	35 hr
Dec 8, 7:55 AM MST	Freezing Rain Advisory	MSO	Flathead, Lincoln, Mineral, Missoula, Sanders	7 hr
Dec 8, 8:34 AM MST	High Wind Warning	TFX		13 hr
Dec 8, 10:26 AM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Missoula, Powell, Ravalli and 1 more	4 hr
Dec 8, 2:40 PM MST	Winter Storm Warning	MSO	Flathead, Granite, Lake, Mineral, Missoula, Powell and 2 more	56 hr
Dec 8, 7:44 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	46 hr
Dec 9, 4:36 AM MST	Winter Weather Advisory	MSO	Flathead, Lake, Sanders	31 hr
Dec 9, 10:15 AM MST	Winter Storm Warning	TFX		35 hr
Dec 9, 2:37 PM MST	Winter Weather Advisory	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	32 hr
Dec 9, 2:46 PM MST	Wind Advisory	MSO	Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow	17 hr
Dec 9, 3:12 PM MST	Winter Weather Advisory	TFX		26 hr
Dec 10, 2:54 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	46 hr
Dec 10, 3:11 PM MST	Wind Chill Advisory	GGW	Daniels, Dawson, Garfield, McCone, Phillips, Richland and 4 more	18 hr
Dec 11, 3:38 AM MST	Winter Storm Watch	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	25 hr
Dec 11, 4:24 AM MST	High Wind Watch	TFX		10 hr
Dec 11, 4:58 AM MST	Winter Storm Watch	TFX		23 hr
Dec 11, 4:58 AM MST	Winter Weather Advisory	TFX		34 hr
Dec 11, 2:28 PM MST	High Wind Warning	TFX		37 hr
Dec 11, 2:53 PM MST	Wind Chill Advisory	GGW	McCone, Valley	19 hr
Dec 12, 3:09 AM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	24 hr
Dec 12, 3:46 AM MST	Ice Storm Warning	TFX		17 hr
Dec 12, 3:47 AM MST	Freezing Rain Advisory	BYZ	Big Horn, Carter, Custer, Fallon, Golden Valley, Musselshell and 5 more	24 hr
Dec 12, 4:48 AM MST	Winter Weather Advisory	GGW	Daniels, Dawson, Garfield, McCone, Phillips, Prairie and 5 more	18 hr
Dec 12, 4:48 AM MST	Freezing Rain Advisory	GGW	Petroleum, Phillips	15 hr
Dec 13, 6:38 AM MST	Freezing Rain Advisory	TFX		5 hr
Dec 13, 2:36 PM MST	High Wind Watch	TFX		13 hr
Dec 13, 2:36 PM MST	Winter Weather Advisory	TFX		31 hr
Dec 14, 3:32 AM MST	High Wind Warning	TFX		18 hr
Dec 14, 4:19 AM MST	Freezing Rain Advisory	GGW	Daniels, Phillips, Richland, Roosevelt, Sheridan, Valley	19 hr
Dec 14, 4:37 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Granite, Lake, Mineral, Missoula, Powell and 3 more	30 hr
Dec 14, 9:48 AM MST	High Wind Watch	MSO	Deer Lodge, Granite, Powell, Silver Bow	5 hr
Dec 15, 3:32 AM MST	Winter Weather Advisory	TFX		8 hr
Dec 16, 5:49 AM MST	Dense Fog Advisory	GGW	Daniels, Sheridan	5 hr
Dec 17, 2:51 AM MST	Wind Chill Advisory	GGW	Daniels, Roosevelt, Sheridan, Valley	32 hr
Dec 18, 3:42 AM MST	Winter Weather Advisory	MSO	Granite, Mineral, Missoula, Ravalli, Sanders	17 hr
Dec 18, 3:33 PM MST	Winter Storm Watch	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	30 hr
Dec 19, 3:52 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more	33 hr
Dec 19, 3:57 AM MST	Winter Weather Advisory	BYZ	Custer, Fallon, Golden Valley, Musselshell, Park, Rosebud and 3 more	31 hr
Dec 19, 4:20 AM MST	Winter Weather Advisory	TFX		30 hr
Dec 19, 2:42 PM MST	Wind Chill Advisory	GGW	Daniels, Phillips, Roosevelt, Sheridan, Valley	13 hr
Dec 19, 2:42 PM MST	Winter Storm Warning	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	27 hr
Dec 19, 2:49 PM MST	Winter Storm Warning	TFX		20 hr
Dec 20, 1:58 PM MST	Areal Flood Warning	TFX	Cascade	10 days
Dec 20, 2:27 PM MST	Flash Flood Watch	TFX		9 days
Dec 21, 6:04 AM MST	Freezing Fog Advisory	MSO	Flathead, Lake, Missoula, Ravalli, Sanders	7 hr
Dec 21, 3:02 PM MST	Wind Chill Advisory	GGW	Phillips, Roosevelt, Valley	19 hr
Dec 21, 5:48 PM MST	Freezing Fog Advisory	MSO	Flathead, Lake, Missoula, Ravalli, Sanders	19 hr
Dec 21, 9:22 PM MST	Dense Fog Advisory	GGW	Daniels, Garfield, McCone, Phillips, Richland, Roosevelt and 2 more	12 hr
Dec 22, 2:20 PM MST	Wind Chill Advisory	GGW	Daniels, Phillips, Roosevelt, Valley	13 hr
Dec 22, 5:09 PM MST	Air Stagnation Advisory	TFX		5 days
Dec 23, 7:24 AM MST	Winter Weather Advisory	BYZ	Carter	4 hr
Dec 23, 5:09 PM MST	Areal Flood Advisory	TFX	Hill	43 hr
Dec 23, 8:50 PM MST	Freezing Fog Advisory	TFX		14 hr
Dec 23, 9:26 PM MST	Freezing Fog Advisory	MSO	Flathead, Lake, Sanders	11 hr
Dec 24, 12:51 AM MST	Dense Fog Advisory	GGW	Daniels, Dawson, Garfield, McCone, Phillips, Prairie and 5 more	32 hr
Dec 24, 9:39 AM MST	Freezing Fog Advisory	MSO	Missoula, Ravalli	3 hr
Dec 24, 6:24 PM MST	Dense Fog Advisory	BYZ	Carter, Custer, Fallon, Rosebud	18 hr
Dec 25, 5:44 AM MST	Freezing Fog Advisory	MSO	Flathead, Lake, Missoula, Ravalli, Sanders	8 hr
Dec 25, 6:17 PM MST	Freezing Fog Advisory	MSO	Flathead, Lake, Sanders	19 hr
Dec 26, 3:38 AM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Mineral, Missoula, Ravalli and 1 more	38 hr
Dec 26, 6:27 AM MST	Freezing Rain Advisory	MSO	Flathead, Lincoln, Mineral, Missoula, Sanders	5 hr
Dec 27, 3:21 AM MST	Winter Storm Watch	TFX		24 hr
Dec 27, 3:49 AM MST	Winter Storm Watch	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	31 hr
Dec 27, 3:49 AM MST	Winter Weather Advisory	MSO	Flathead, Lincoln, Sanders	13 hr
Dec 27, 10:12 AM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	41 hr
Dec 27, 3:37 PM MST	Winter Storm Watch	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	23 hr
Dec 27, 3:37 PM MST	Winter Weather Advisory	GGW	Daniels, McCone, Phillips, Richland, Roosevelt, Sheridan and 1 more	3 hr
Dec 27, 5:17 PM MST	Winter Storm Warning	MSO	Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 3 more	60 hr
Dec 28, 3:00 AM MST	Winter Storm Warning	TFX		55 hr
Dec 28, 3:00 AM MST	Winter Weather Advisory	TFX		55 hr
Dec 28, 4:02 AM MST	Winter Storm Watch	BYZ	Big Horn, Carbon, Golden Valley, Musselshell, Park, Stillwater and 2 more	24 hr
Dec 28, 10:43 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow	46 hr
Dec 28, 2:53 PM MST	Wind Chill Watch	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	43 hr
Dec 28, 2:53 PM MST	Winter Storm Warning	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	24 hr
Dec 29, 3:49 AM MST	Winter Storm Warning	BYZ	Big Horn, Carbon, Carter, Golden Valley, Musselshell, Park and 4 more	59 hr
Dec 29, 3:49 AM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Carter, Custer, Fallon, Park and 5 more	59 hr
Dec 29, 10:10 AM MST	Wind Chill Advisory	TFX		24 hr
Dec 29, 2:23 PM MST	Blizzard Warning	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	13 hr
Dec 30, 3:38 AM MST	Winter Weather Advisory	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	13 hr
Dec 30, 3:49 AM MST	Wind Chill Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 3 more	11 hr
Dec 30, 10:03 AM MST	Wind Chill Advisory	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	49 hr
Dec 30, 9:30 PM MST	Wind Chill Advisory	MSO	Missoula, Ravalli	8 hr
Dec 31, 8:21 AM MST	Wind Chill Advisory	TFX		3 hr
Dec 31, 2:46 PM MST	Wind Chill Advisory	BYZ	Carter, Fallon	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 Warning	1
Flash Flood Watch	1
Areal Flood Advisory	1
Winter
Blizzard Warning	1
Ice Storm Warning	1
Winter Storm Warning	9
Winter Storm Watch	8
Freezing Rain Advisory	6
Winter Weather Advisory	30
Cold
Wind Chill Watch	1
Wind Chill Advisory	12
Wind and dust
High Wind Warning	3
High Wind Watch	3
Wind Advisory	3
Fog and smoke
Air Stagnation Advisory	1
Dense Fog Advisory	9
Freezing Fog Advisory	11

Nearby

Alerts in force now Tornadoes on record The radar archive 2009 2011

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.