Weather alerts in Montana, May 2012

50 weather alerts in May 2012, 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 May 2012. Tap one for its archive.

Alerts: 50
Warnings: 12
Watches: 4
Advisories: 18
Busiest day: May 5, 201210 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
May 2, 1:51 AM MDT	Winter Weather Advisory	MSO	Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow	8 hr
May 4, 3:48 AM MDT	Winter Weather Advisory	MSO	Deer Lodge, Granite, Lake, Missoula, Powell, Ravalli and 1 more	30 hr
May 4, 4:04 AM MDT	Winter Weather Advisory	TFX		56 hr
May 4, 3:32 PM MDT	Special Weather Statement	MSO	Ravalli	43 min
May 4, 7:41 PM MDT	Special Weather Statement	GGW	Sheridan	64 min
May 4, 8:25 PM MDT	Special Weather Statement	GGW	Sheridan	35 min
May 4, 9:04 PM MDT	Special Weather Statement	GGW	Sheridan	56 min
May 4, 11:30 PM MDT	Dense Fog Advisory	GGW	Daniels, Richland, Roosevelt, Sheridan, Valley	11 hr
May 5, 3:15 AM MDT	Winter Weather Advisory	MSO	Flathead, Lake	20 hr
May 5, 4:01 AM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Petroleum, Phillips, Valley	16 hr
May 5, 1:06 PM MDT	Special Weather Statement	GGW	Roosevelt	54 min
May 5, 1:37 PM MDT	Special Weather Statement	GGW	Roosevelt	53 min
May 5, 2:05 PM MDT	High Wind Watch	TFX		13 hr
May 5, 2:59 PM MDT	High Wind Watch	GGW	Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 4 more	13 hr
May 6, 2:54 AM MDT	High Wind Warning	TFX		18 hr
May 6, 3:56 AM MDT	High Wind Warning	GGW	Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 4 more	17 hr
May 6, 11:36 AM MDT	Winter Storm Warning	TFX		3 hr
May 6, 3:58 PM MDT	Areal Flood Advisory	TFX	Blaine	23 hr
May 7, 3:37 AM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Petroleum, Phillips, Valley	16 hr
May 9, 2:34 PM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Petroleum, Phillips, Valley	29 hr
May 10, 11:03 AM MDT	Freeze Warning	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	22 hr
May 16, 9:35 AM MDT	Areal Flood Warning	MSO	Lincoln	24 hr
May 21, 2:35 PM MDT	Mesoscale Discussion	SPC	Broadwater, Cascade, Chouteau, Deer Lodge, Fergus, Gallatin and 13 more	85 min
May 21, 2:38 PM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Petroleum, Phillips, Valley	30 hr
May 21, 4:42 PM MDT	Special Weather Statement	BYZ	Golden Valley	63 min
May 21, 5:38 PM MDT	Special Weather Statement	BYZ	Musselshell	52 min
May 22, 2:50 PM MDT	Special Weather Statement	GGW	Sheridan	55 min
May 22, 2:57 PM MDT	Severe Thunderstorm Warning	GGW	Sheridan	42 min
May 22, 3:51 PM MDT	High Wind Warning	TFX		6 hr
May 22, 4:07 PM MDT	Special Weather Statement	BYZ	Powder River	53 min
May 22, 4:59 PM MDT	Special Weather Statement	BYZ	Carter	61 min
May 22, 5:11 PM MDT	Mesoscale Discussion	SPC	Carter, Fallon, Powder River	94 min
May 23, 3:17 AM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Petroleum, Phillips, Valley	18 hr
May 23, 3:53 PM MDT	Winter Storm Watch	BYZ	Carbon, Park, Stillwater, Sweet Grass, Wheatland	24 hr
May 24, 4:02 AM MDT	Winter Storm Warning	BYZ	Carbon, Park, Stillwater, Sweet Grass, Wheatland	72 hr
May 24, 4:53 AM MDT	Winter Storm Warning	TFX		4 days
May 24, 4:53 AM MDT	Winter Weather Advisory	TFX		4 days
May 24, 10:48 AM MDT	Wind Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	30 hr
May 24, 1:26 PM MDT	Winter Storm Warning	MSO	Flathead, Lake	3 days
May 24, 1:26 PM MDT	Winter Weather Advisory	MSO	Deer Lodge, Granite, Lake, Missoula, Powell, Ravalli and 1 more	3 days
May 24, 2:31 PM MDT	Winter Storm Watch	TFX		26 hr
May 24, 3:45 PM MDT	Winter Weather Advisory	BYZ	Carbon, Stillwater, Sweet Grass	43 hr
May 25, 3:21 PM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Petroleum, Phillips, Valley	3 days
May 27, 10:51 AM MDT	Winter Weather Advisory	GGW	Phillips	15 hr
May 27, 11:18 AM MDT	River Flood Warning	TFX	Blaine	9 days
May 29, 2:42 PM MDT	Severe Thunderstorm Warning	TFX	Fergus, Judith Basin	48 min
May 29, 3:41 PM MDT	Special Weather Statement	BYZ	Stillwater	49 min
May 29, 4:25 PM MDT	Special Weather Statement	GGW	Petroleum	80 min
May 29, 4:29 PM MDT	Special Weather Statement	BYZ	Yellowstone	46 min
May 31, 6:25 AM MDT	Dense Fog Advisory	GGW	Valley	4 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
Severe Thunderstorm Warning	2
Mesoscale Discussion	2
Special Weather Statement	14
Flooding
Areal Flood Warning	1
River Flood Warning	1
Areal Flood Advisory	1
Winter
Winter Storm Warning	4
Winter Storm Watch	2
Winter Weather Advisory	8
Cold
Freeze Warning	1
Wind and dust
High Wind Warning	3
High Wind Watch	2
Lake Wind Advisory	6
Wind Advisory	1
Fog and smoke
Dense Fog Advisory	2

Nearby

Alerts in force now Tornadoes on record The radar archive 2011 2013

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.