Weather alerts in Montana, May 2008

137 weather alerts in May 2008, 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 2008. Tap one for its archive.

Alerts: 137
Warnings: 66
Watches: 36
Advisories: 34
Busiest day: May 18, 200818 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 1, 3:53 AM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Valley	16 hr
May 1, 4:11 AM MDT	Winter Storm Watch	TFX		11 hr
May 1, 4:26 AM MDT	Winter Storm Warning	BYZ	Carter, Custer, Fallon, Powder River, Rosebud	29 hr
May 1, 2:46 PM MDT	Snow Advisory	GGW	Garfield, Prairie, Wibaux	13 hr
May 1, 2:46 PM MDT	Heavy Snow Warning	TFX		15 hr
May 1, 3:28 PM MDT	Snow Advisory	BYZ	Big Horn, Custer, Fallon, Rosebud, Treasure	15 hr
May 6, 3:15 PM MDT	Severe Thunderstorm Warning	GGW	McCone	30 min
May 6, 3:36 PM MDT	Areal Flood Advisory	BYZ	Carter	24 hr
May 7, 3:07 PM MDT	Areal Flood Advisory	BYZ	Carter	72 hr
May 9, 2:54 PM MDT	Snow Advisory	GGW	Dawson, Richland, Wibaux	12 hr
May 9, 7:18 PM MDT	Snow Advisory	BYZ	Carbon, Stillwater, Sweet Grass	8 hr
May 11, 9:07 PM MDT	Heavy Snow Warning	BYZ	Carbon, Park, Stillwater, Sweet Grass	14 hr
May 11, 11:56 PM MDT	Snow Advisory	BYZ	Carbon, Stillwater, Sweet Grass	7 hr
May 14, 3:49 AM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Valley	16 hr
May 15, 2:54 PM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Valley	29 hr
May 15, 3:23 PM MDT	Fire Weather Watch	GGW	Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more	12 hr
May 15, 10:11 PM MDT	Flood Watch	MSO	Lincoln	6 days
May 16, 3:35 AM MDT	Red Flag Warning	GGW	Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more	16 hr
May 16, 10:25 AM MDT	Flood Watch	TFX		52 hr
May 16, 2:52 PM MDT	Fire Weather Watch	GGW		30 hr
May 16, 2:53 PM MDT	River Flood Watch	MSO	Flathead	24 hr
May 16, 2:53 PM MDT	River Flood Watch	MSO	Flathead	68 hr
May 16, 2:53 PM MDT	River Flood Watch	MSO	Lincoln	10 hr
May 16, 2:53 PM MDT	River Flood Watch	MSO	Lincoln	10 hr
May 17, 12:53 AM MDT	River Flood Warning	MSO	Lincoln	4 days
May 17, 12:53 AM MDT	River Flood Warning	MSO	Lincoln	5 days
May 17, 3:54 AM MDT	Areal Flood Advisory	TFX	Glacier	47 hr
May 17, 5:09 AM MDT	River Flood Watch	MSO	Flathead	10 hr
May 17, 1:56 PM MDT	River Flood Warning	MSO	Flathead	4 days
May 17, 1:56 PM MDT	River Flood Warning	MSO	Flathead	5 days
May 17, 2:44 PM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Valley	29 hr
May 17, 2:45 PM MDT	Fire Weather Watch	TFX	Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 8 more	13 hr
May 17, 2:46 PM MDT	River Flood Watch	MSO	Ravalli	24 hr
May 17, 2:46 PM MDT	River Flood Watch	MSO	Ravalli	23 hr
May 17, 3:06 PM MDT	River Flood Watch	BYZ	Park	47 hr
May 17, 3:06 PM MDT	River Flood Watch	BYZ	Park, Sweet Grass	69 hr
May 17, 3:06 PM MDT	River Flood Watch	BYZ	Carbon, Stillwater	47 hr
May 17, 4:55 PM MDT	River Flood Watch	MSO	Mineral	22 hr
May 17, 4:55 PM MDT	River Flood Watch	MSO	Sanders	24 hr
May 17, 8:27 PM MDT	Areal Flood Advisory	MSO	Mineral, Sanders	18 hr
May 17, 8:40 PM MDT	Red Flag Warning	GGW		23 hr
May 18, 1:11 AM MDT	Areal Flood Advisory	MSO	Mineral, Sanders	14 hr
May 18, 3:53 AM MDT	River Flood Watch	MSO	Sanders	31 hr
May 18, 4:00 AM MDT	Red Flag Warning	TFX	Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 11 more	17 hr
May 18, 7:59 AM MDT	River Flood Watch	MSO	Sanders	3 hr
May 18, 10:45 AM MDT	River Flood Warning	MSO	Sanders	3 days
May 18, 12:56 PM MDT	Areal Flood Advisory	MSO	Ravalli	4 days
May 18, 12:56 PM MDT	Areal Flood Advisory	MSO	Ravalli	8 hr
May 18, 1:36 PM MDT	River Flood Warning	MSO	Flathead	47 hr
May 18, 1:36 PM MDT	River Flood Warning	MSO	Ravalli	4 days
May 18, 1:36 PM MDT	River Flood Warning	MSO	Ravalli	4 days
May 18, 1:36 PM MDT	River Flood Warning	MSO	Mineral	10 days
May 18, 2:56 PM MDT	Fire Weather Watch	GGW	Daniels, Roosevelt, Sheridan, Valley	13 hr
May 18, 3:40 PM MDT	Areal Flood Advisory	MSO	Mineral, Sanders	71 hr
May 18, 3:54 PM MDT	Areal Flood Advisory	MSO	Missoula	4 days
May 18, 5:39 PM MDT	Severe Thunderstorm Warning	GGW	Garfield, McCone, Prairie	66 min
May 18, 5:59 PM MDT	Severe Thunderstorm Warning	GGW	Dawson, Prairie	32 min
May 19, 3:40 AM MDT	Red Flag Warning	GGW	Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more	16 hr
May 19, 3:44 AM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Valley	15 hr
May 19, 5:23 AM MDT	Areal Flood Advisory	TFX	Glacier	12 hr
May 19, 8:38 AM MDT	River Flood Warning	MSO	Flathead	61 hr
May 19, 9:41 AM MDT	River Flood Warning	MSO	Flathead	53 hr
May 19, 9:41 AM MDT	River Flood Warning	MSO	Sanders	27 hr
May 19, 10:07 AM MDT	River Flood Watch	MSO	Missoula	12 hr
May 19, 12:00 PM MDT	Areal Flood Advisory	TFX	Beaverhead	24 hr
May 19, 1:19 PM MDT	River Flood Warning	BYZ	Park, Sweet Grass	4 days
May 19, 2:05 PM MDT	River Flood Watch	MSO	Flathead	50 hr
May 19, 2:05 PM MDT	River Flood Watch	MSO	Missoula	46 hr
May 19, 5:59 PM MDT	Areal Flood Advisory	TFX	Glacier	23 hr
May 19, 9:44 PM MDT	River Flood Warning	MSO	Missoula	4 days
May 20, 12:15 PM MDT	Areal Flood Advisory	TFX	Beaverhead	24 hr
May 20, 1:01 PM MDT	River Flood Watch	MSO	Sanders	23 hr
May 20, 1:01 PM MDT	River Flood Watch	MSO	Flathead	27 hr
May 20, 1:28 PM MDT	Flood Watch	BYZ	Big Horn, Carbon, Golden Valley, Park, Powder River, Stillwater and 3 more	5 days
May 20, 3:07 PM MDT	Flood Watch	TFX		6 days
May 20, 5:52 PM MDT	Severe Thunderstorm Warning	TFX	Lewis and Clark	38 min
May 20, 6:15 PM MDT	Severe Thunderstorm Warning	MSO	Silver Bow	30 min
May 20, 6:43 PM MDT	Severe Thunderstorm Warning	TFX	Gallatin, Madison	47 min
May 20, 7:42 PM MDT	Severe Thunderstorm Warning	TFX	Cascade, Chouteau	48 min
May 20, 8:11 PM MDT	Tornado Warning	TFX	Chouteau	34 min
May 20, 8:40 PM MDT	Tornado Warning	TFX	Chouteau	35 min
May 20, 10:05 PM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Valley	4 days
May 20, 10:23 PM MDT	Severe Thunderstorm Warning	TFX	Blaine, Chouteau, Fergus, Hill	49 min
May 20, 11:21 PM MDT	Severe Thunderstorm Warning	MSO	Deer Lodge, Granite, Powell, Silver Bow	39 min
May 21, 3:07 AM MDT	Flood Watch	MSO	Flathead, Powell	4 days
May 21, 5:18 AM MDT	River Flood Warning	MSO	Missoula	4 hr
May 21, 12:14 PM MDT	River Flood Warning	MSO	Ravalli	2 hr
May 21, 12:14 PM MDT	River Flood Warning	MSO	Flathead	5 hr
May 21, 12:14 PM MDT	River Flood Warning	MSO	Flathead	5 hr
May 21, 12:14 PM MDT	River Flood Warning	MSO	Flathead	5 hr
May 21, 12:28 PM MDT	Areal Flood Advisory	TFX	Beaverhead	2 hr
May 21, 2:31 PM MDT	River Flood Warning	TFX	Beaverhead, Madison	18 hr
May 21, 2:31 PM MDT	River Flood Warning	TFX	Gallatin	5 days
May 21, 3:41 PM MDT	High Wind Watch	BYZ	Carter, Fallon	13 hr
May 21, 6:33 PM MDT	Heavy Snow Warning	BYZ	Carbon, Park, Stillwater, Sweet Grass, Wheatland	34 hr
May 21, 7:29 PM MDT	Heavy Snow Warning	TFX		38 hr
May 21, 7:29 PM MDT	Winter Storm Warning	TFX		57 hr
May 22, 5:39 AM MDT	Snow Advisory	MSO	Deer Lodge, Granite, Powell, Silver Bow	4 hr
May 22, 9:32 AM MDT	High Wind Warning	BYZ	Carter, Fallon, Powder River	19 hr
May 22, 9:37 AM MDT	Heavy Snow Warning	MSO	Deer Lodge, Granite, Powell, Silver Bow	23 hr
May 22, 9:37 AM MDT	Snow Advisory	MSO	Granite, Missoula, Ravalli	23 hr
May 22, 11:43 AM MDT	River Flood Warning	TFX	Madison	4 days
May 23, 4:32 AM MDT	Areal Flood Advisory	TFX	Glacier	10 hr
May 23, 8:27 AM MDT	Areal Flood Warning	TFX	Chouteau, Fergus, Judith Basin	27 hr
May 23, 10:46 AM MDT	River Flood Warning	TFX	Beaverhead, Madison	3 days
May 23, 12:20 PM MDT	Snow Advisory	MSO	Flathead, Lake	6 hr
May 23, 2:24 PM MDT	Areal Flood Warning	TFX	Chouteau, Fergus, Glacier, Judith Basin, Lewis and Clark, Pondera and 1 more	21 hr
May 23, 3:02 PM MDT	Flash Flood Watch	GGW	Petroleum	43 hr
May 23, 3:53 PM MDT	Areal Flood Advisory	GGW	Petroleum	24 hr
May 23, 5:21 PM MDT	River Flood Watch	MSO	Flathead	65 hr
May 23, 5:21 PM MDT	River Flood Watch	MSO	Flathead	62 hr
May 23, 5:21 PM MDT	River Flood Watch	MSO	Flathead	44 hr
May 24, 9:44 AM MDT	River Flood Warning	TFX	Toole	5 days
May 24, 10:02 AM MDT	Areal Flood Warning	BYZ	Powder River	5 days
May 24, 11:27 AM MDT	Areal Flood Warning	TFX	Cascade, Chouteau, Fergus, Glacier, Judith Basin, Lewis and Clark and 2 more	6 days
May 24, 3:57 PM MDT	Areal Flood Advisory	GGW	Petroleum	36 hr
May 25, 9:10 AM MDT	Areal Flood Warning	TFX	Blaine, Hill	48 hr
May 25, 9:21 AM MDT	Areal Flood Advisory	GGW	Garfield, Petroleum	30 hr
May 25, 10:49 AM MDT	River Flood Watch	MSO	Flathead	24 hr
May 25, 10:49 AM MDT	River Flood Watch	MSO	Flathead	3 hr
May 25, 1:18 PM MDT	River Flood Warning	MSO	Flathead	21 hr
May 25, 1:18 PM MDT	River Flood Warning	MSO	Flathead	21 hr
May 25, 8:28 PM MDT	River Flood Warning	TFX	Cascade	55 hr
May 26, 9:04 PM MDT	Areal Flood Advisory	TFX	Beaverhead	21 hr
May 27, 1:14 PM MDT	River Flood Warning	MSO	Missoula, Powell	37 min
May 27, 1:36 PM MDT	Areal Flood Warning	MSO	Powell	48 hr
May 28, 4:36 PM MDT	Severe Thunderstorm Warning	TFX	Cascade, Meagher	39 min
May 29, 11:24 AM MDT	Mesoscale Discussion	SPC	Powder River	96 min
May 29, 1:15 PM MDT	Areal Flood Warning	MSO	Powell	23 hr
May 29, 4:00 PM MDT	Severe Thunderstorm Warning	TFX	Hill, Liberty	30 min
May 29, 4:43 PM MDT	Severe Thunderstorm Warning	GGW	Dawson, Wibaux	33 min
May 29, 5:44 PM MDT	Severe Thunderstorm Warning	TFX	Blaine, Chouteau, Hill	46 min
May 30, 12:04 PM MDT	Areal Flood Advisory	MSO	Powell	5 hr
May 30, 3:57 PM MDT	Severe Thunderstorm Warning	TFX	Blaine, Chouteau, Fergus	48 min
May 30, 4:59 PM MDT	Severe Thunderstorm Warning	TFX	Fergus, Judith Basin	46 min
May 30, 7:16 PM MDT	Severe Thunderstorm Warning	TFX	Jefferson, Lewis and Clark	31 min
May 31, 5:37 PM MDT	Severe Thunderstorm Warning	GGW	Valley	53 min

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	17
Tornado Warning	2
Mesoscale Discussion	1
Flooding
Areal Flood Warning	7
River Flood Warning	28
Flash Flood Watch	1
Flood Watch	5
River Flood Watch	24
Areal Flood Advisory	20
Winter
Heavy Snow Warning	5
Winter Storm Warning	2
Winter Storm Watch	1
Snow Advisory	8
Wind and dust
High Wind Warning	1
High Wind Watch	1
Lake Wind Advisory	6
Fire
Red Flag Warning	4
Fire Weather Watch	4

By county

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

15 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2007 2009

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.