Weather alerts in Montana, April 2007

41 weather alerts in April 2007, 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 April 2007. Tap one for its archive.

Alerts: 41
Warnings: 12
Watches: 5
Advisories: 22
Busiest day: April 17, 20077 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
Apr 1, 2:17 PM MDT	Heavy Snow Warning	TFX		31 hr
Apr 1, 2:17 PM MDT	Snow Advisory	TFX		34 hr
Apr 1, 2:32 PM MDT	Winter Storm Watch	GGW	Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 3 more	13 hr
Apr 1, 2:32 PM MDT	Winter Weather Advisory	GGW	Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 4 more	33 hr
Apr 1, 3:50 PM MDT	Heavy Snow Warning	BYZ	Carbon, Park, Stillwater, Sweet Grass, Wheatland	24 hr
Apr 1, 3:50 PM MDT	Snow Advisory	BYZ	Custer, Fallon, Golden Valley, Musselshell, Park, Rosebud and 3 more	31 hr
Apr 9, 3:56 AM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Valley	24 hr
Apr 10, 4:10 AM MDT	Snow and Blowing Snow Advisory	TFX		17 hr
Apr 10, 9:44 AM MDT	Snow Advisory	GGW	Daniels, Sheridan	8 hr
Apr 10, 2:15 PM MDT	Winter Storm Warning	TFX		22 hr
Apr 10, 6:15 PM MDT	Snow Advisory	MSO	Flathead, Granite, Lake, Missoula, Powell	9 hr
Apr 10, 9:02 PM MDT	Snow Advisory	TFX		15 hr
Apr 11, 8:08 AM MDT	Snow Advisory	BYZ		4 hr
Apr 14, 4:23 PM MDT	Lake Wind Advisory	MSO	Flathead, Lake, Sanders	4 hr
Apr 15, 3:26 AM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Valley	17 hr
Apr 17, 3:24 AM MDT	Winter Storm Watch	MSO	Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 2 more	11 hr
Apr 17, 4:33 AM MDT	Winter Storm Watch	TFX		11 hr
Apr 17, 2:48 PM MDT	Heavy Snow Warning	MSO	Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 2 more	31 hr
Apr 17, 3:06 PM MDT	High Wind Watch	BYZ	Carter, Fallon	13 hr
Apr 17, 3:31 PM MDT	Winter Storm Watch	BYZ	Carbon, Park, Stillwater, Sweet Grass, Wheatland	23 hr
Apr 17, 3:46 PM MDT	Heavy Snow Warning	TFX		32 hr
Apr 17, 3:46 PM MDT	Snow Advisory	TFX		53 hr
Apr 17, 7:39 PM MDT	Severe Thunderstorm Warning	MSO	Granite	32 min
Apr 18, 12:21 AM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Valley	23 hr
Apr 18, 4:17 AM MDT	High Wind Warning	BYZ	Carter, Fallon, Powder River	17 hr
Apr 18, 2:38 PM MDT	Heavy Snow Warning	BYZ	Carbon, Park, Stillwater, Sweet Grass, Wheatland	25 hr
Apr 18, 2:51 PM MDT	Mesoscale Discussion	SPC	Big Horn, Carbon, Park, Stillwater, Sweet Grass, Yellowstone	84 min
Apr 18, 4:50 PM MDT	Severe Thunderstorm Warning	GGW	Garfield, Phillips, Valley	55 min
Apr 18, 5:35 PM MDT	Snow Advisory	MSO	Granite, Lake, Missoula, Powell, Ravalli	4 hr
Apr 18, 6:22 PM MDT	Severe Thunderstorm Warning	GGW	Phillips, Valley	53 min
Apr 18, 9:24 PM MDT	Snow Advisory	BYZ	Golden Valley, Musselshell, Wheatland	19 hr
Apr 19, 8:01 AM MDT	Winter Storm Warning	TFX		13 hr
Apr 19, 9:17 AM MDT	Snow Advisory	GGW	Petroleum, Phillips	6 hr
Apr 19, 12:31 PM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Valley	5 hr
Apr 20, 4:06 AM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Valley	14 hr
Apr 27, 2:52 PM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Valley	4 hr
Apr 28, 3:14 AM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Valley	16 hr
Apr 29, 3:27 AM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Valley	17 hr
Apr 29, 5:19 PM MDT	Mesoscale Discussion	SPC	Big Horn, Custer, Golden Valley, Musselshell, Petroleum, Powder River and 3 more	86 min
Apr 29, 6:45 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn, Treasure, Yellowstone	41 min
Apr 30, 3:17 AM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Valley	12 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	4
Mesoscale Discussion	2
Winter
Heavy Snow Warning	5
Winter Storm Warning	2
Winter Storm Watch	4
Snow Advisory	10
Snow and Blowing Snow Advisory	1
Winter Weather Advisory	1
Wind and dust
High Wind Warning	1
High Wind Watch	1
Lake Wind Advisory	10

Nearby

Alerts in force now Tornadoes on record The radar archive 2006 2008

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.