Weather alerts in Montana, November 2009

39 weather alerts in November 2009, 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 November 2009. Tap one for its archive.

Alerts: 39
Warnings: 9
Watches: 5
Advisories: 24
Busiest day: November 11, 20097 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
Nov 1, 2:36 AM MST	Lake Wind Advisory	GGW	Garfield, McCone, Phillips, Valley	10 hr
Nov 3, 3:21 AM MST	Lake Wind Advisory	GGW	Garfield, McCone, Valley	14 hr
Nov 4, 3:31 AM MST	High Wind Watch	TFX		24 hr
Nov 5, 3:15 AM MST	High Wind Warning	TFX		38 hr
Nov 5, 2:34 PM MST	Lake Wind Advisory	GGW	Garfield, McCone, Valley	28 hr
Nov 5, 2:40 PM MST	Lake Wind Advisory	MSO	Flathead, Lake, Sanders	28 hr
Nov 5, 3:05 PM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	24 hr
Nov 6, 4:22 AM MST	Winter Storm Watch	MSO	Flathead, Lake, Lincoln, Mineral, Missoula, Sanders	23 hr
Nov 7, 3:23 AM MST	Winter Storm Warning	MSO	Flathead, Lake, Lincoln, Mineral, Missoula, Sanders	28 hr
Nov 7, 10:40 AM MST	High Wind Warning	TFX		6 hr
Nov 8, 2:54 AM MST	Lake Wind Advisory	GGW	Garfield, McCone, Valley	15 hr
Nov 10, 3:23 AM MST	Lake Wind Advisory	GGW	Garfield, McCone, Valley	9 hr
Nov 11, 3:23 AM MST	Winter Weather Advisory	MSO	Granite, Missoula, Ravalli	32 hr
Nov 11, 4:29 AM MST	Winter Storm Watch	BYZ	Carbon, Park, Stillwater, Sweet Grass	5 hr
Nov 11, 4:42 AM MST	Winter Storm Warning	TFX		40 hr
Nov 11, 4:42 AM MST	Winter Weather Advisory	TFX		40 hr
Nov 11, 6:46 AM MST	Winter Weather Advisory	MSO	Granite, Lake, Mineral, Missoula, Powell, Ravalli and 1 more	6 hr
Nov 11, 9:37 AM MST	Winter Storm Warning	BYZ	Carbon, Park, Stillwater, Sweet Grass	35 hr
Nov 11, 9:37 AM MST	Winter Weather Advisory	BYZ	Carbon, Golden Valley, Musselshell, Stillwater, Sweet Grass	35 hr
Nov 15, 8:15 AM MST	High Wind Warning	TFX		57 hr
Nov 15, 4:46 PM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	41 hr
Nov 15, 10:51 PM MST	Special Weather Statement	BYZ	Sweet Grass	114 min
Nov 20, 2:42 PM MST	Lake Wind Advisory	GGW	Garfield, McCone, Valley	26 hr
Nov 21, 4:14 AM MST	High Wind Warning	TFX		10 hr
Nov 21, 4:25 AM MST	Winter Weather Advisory	MSO	Granite, Mineral, Missoula, Ravalli, Sanders	49 hr
Nov 22, 4:31 AM MST	Winter Weather Advisory	TFX		18 hr
Nov 22, 10:03 AM MST	Winter Weather Advisory	BYZ	Park	11 hr
Nov 23, 5:14 AM MST	High Wind Watch	TFX		9 hr
Nov 23, 2:37 PM MST	High Wind Warning	TFX		19 hr
Nov 24, 3:39 AM MST	Lake Wind Advisory	GGW	Garfield, McCone, Valley	13 hr
Nov 25, 2:59 PM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	22 hr
Nov 29, 4:08 AM MST	High Wind Watch	TFX		17 hr
Nov 29, 6:40 AM MST	Dense Fog Advisory	GGW	Daniels, Phillips, Roosevelt, Sheridan, Valley	2 hr
Nov 29, 9:30 PM MST	High Wind Warning	TFX		23 hr
Nov 30, 8:56 AM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	13 hr
Nov 30, 9:08 AM MST	Dense Fog Advisory	MSO	Mineral, Missoula, Sanders	112 min
Nov 30, 2:16 PM MST	Winter Weather Advisory	MSO	Flathead, Lake	14 hr
Nov 30, 3:03 PM MST	Lake Wind Advisory	GGW	Garfield, McCone, Valley	26 hr
Nov 30, 3:25 PM MST	Winter Weather Advisory	BYZ	Carbon, Park, Stillwater, Sweet Grass	24 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	3
Winter Storm Watch	2
Winter Weather Advisory	9
Wind and dust
High Wind Warning	6
High Wind Watch	3
Lake Wind Advisory	9
Wind Advisory	4
Fog and smoke
Dense Fog Advisory	2

By county

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

Nearby

Alerts in force now Tornadoes on record The radar archive 2008 2010

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.