Alert archive / Montana / 2009
Weather alerts in Montana, August 2009
283 weather alerts in August 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 August 2009. Tap one for its archive.
- Alerts
- 283
- Warnings
- 96
- Watches
- 12
- Advisories
- 14
- Busiest day
- August 7, 200945 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 |
|---|---|---|---|---|
| Aug 2, 7:28 PM MDT | Special Weather Statement | BYZ | Yellowstone | 62 min |
| Aug 3, 6:19 PM MDT | Special Weather Statement | BYZ | Carbon | 26 min |
| Aug 3, 11:10 PM MDT | Special Weather Statement | TFX | Liberty | 65 min |
| Aug 4, 12:20 AM MDT | Special Weather Statement | TFX | Hill | 55 min |
| Aug 4, 3:27 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Valley | 12 hr |
| Aug 4, 6:45 AM MDT | Special Weather Statement | BYZ | Prairie | 60 min |
| Aug 4, 1:18 PM MDT | Special Weather Statement | BYZ | Carbon | 27 min |
| Aug 4, 2:22 PM MDT | Special Weather Statement | BYZ | Big Horn | 23 min |
| Aug 4, 3:27 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 63 min |
| Aug 4, 3:56 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 64 min |
| Aug 4, 4:39 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Powder River | 36 min |
| Aug 4, 5:38 PM MDT | Special Weather Statement | BYZ | Powder River | 52 min |
| Aug 4, 5:55 PM MDT | Special Weather Statement | BYZ | Stillwater | 35 min |
| Aug 4, 5:57 PM MDT | Special Weather Statement | BYZ | Yellowstone | 33 min |
| Aug 4, 6:17 PM MDT | Special Weather Statement | BYZ | Stillwater | 28 min |
| Aug 4, 6:44 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Yellowstone | 31 min |
| Aug 4, 7:16 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 29 min |
| Aug 5, 4:17 PM MDT | Special Weather Statement | MSO | Ravalli | 58 min |
| Aug 5, 5:03 PM MDT | Special Weather Statement | MSO | Mineral | 42 min |
| Aug 5, 7:56 PM MDT | Special Weather Statement | MSO | Flathead | 64 min |
| Aug 5, 8:31 PM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lincoln | 44 min |
| Aug 6, 4:41 AM MDT | Special Weather Statement | BYZ | Rosebud | 49 min |
| Aug 6, 5:27 AM MDT | Special Weather Statement | BYZ | 63 min | |
| Aug 6, 6:02 AM MDT | Special Weather Statement | BYZ | Powder River | 58 min |
| Aug 6, 6:48 AM MDT | Special Weather Statement | BYZ | Powder River | 57 min |
| Aug 6, 7:46 AM MDT | Special Weather Statement | BYZ | Carter | 59 min |
| Aug 6, 12:04 PM MDT | Mesoscale Discussion | SPC | Beaverhead, Broadwater, Deer Lodge, Gallatin, Granite, Jefferson and 6 more | 56 min |
| Aug 6, 12:34 PM MDT | Severe Thunderstorm Watch | SPC | Beaverhead, Broadwater, Cascade, Deer Lodge, Fergus, Gallatin and 9 more | 8 hr |
| Aug 6, 12:44 PM MDT | Special Weather Statement | TFX | 46 min | |
| Aug 6, 1:04 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 41 min |
| Aug 6, 1:46 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 44 min |
| Aug 6, 1:54 PM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge, Silver Bow | 51 min |
| Aug 6, 2:16 PM MDT | Mesoscale Discussion | SPC | Carbon, Golden Valley, Musselshell, Petroleum, Stillwater, Sweet Grass and 1 more | 59 min |
| Aug 6, 2:27 PM MDT | Flash Flood Watch | TFX | 31 hr | |
| Aug 6, 2:39 PM MDT | Special Weather Statement | BYZ | Park | 51 min |
| Aug 6, 2:41 PM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge, Silver Bow | 49 min |
| Aug 6, 2:42 PM MDT | Flash Flood Warning | MSO | Silver Bow | 93 min |
| Aug 6, 2:50 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson, Lewis and Clark | 55 min |
| Aug 6, 2:58 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Carbon, Golden Valley, Musselshell, Park, Stillwater and 4 more | 6 hr |
| Aug 6, 3:35 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 55 min |
| Aug 6, 3:40 PM MDT | Flood Watch | MSO | Flathead | 21 hr |
| Aug 6, 3:45 PM MDT | Special Weather Statement | TFX | Broadwater, Jefferson | 45 min |
| Aug 6, 4:06 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 54 min |
| Aug 6, 4:19 PM MDT | Severe Thunderstorm Warning | MSO | Silver Bow | 36 min |
| Aug 6, 4:25 PM MDT | Special Weather Statement | TFX | Silver Bow | 50 min |
| Aug 6, 4:32 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 43 min |
| Aug 6, 4:36 PM MDT | Special Weather Statement | TFX | Broadwater | 39 min |
| Aug 6, 4:44 PM MDT | Special Weather Statement | BYZ | Yellowstone | 61 min |
| Aug 6, 4:58 PM MDT | Special Weather Statement | TFX | Cascade | 47 min |
| Aug 6, 5:00 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Sweet Grass | 60 min |
| Aug 6, 5:02 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Judith Basin, Meagher | 43 min |
| Aug 6, 5:12 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 63 min |
| Aug 6, 5:12 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 48 min |
| Aug 6, 5:19 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 41 min |
| Aug 6, 5:22 PM MDT | Special Weather Statement | TFX | Broadwater | 53 min |
| Aug 6, 5:30 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin, Meagher | 60 min |
| Aug 6, 5:31 PM MDT | Special Weather Statement | BYZ | Carbon | 59 min |
| Aug 6, 5:33 PM MDT | Special Weather Statement | TFX | Jefferson | 42 min |
| Aug 6, 5:51 PM MDT | Special Weather Statement | BYZ | Yellowstone | 54 min |
| Aug 6, 5:59 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 61 min |
| Aug 6, 6:01 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 44 min |
| Aug 6, 6:04 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Gallatin | 41 min |
| Aug 6, 6:28 PM MDT | Mesoscale Discussion | SPC | Big Horn, Broadwater, Carbon, Fergus, Gallatin, Garfield and 14 more | 92 min |
| Aug 6, 6:41 PM MDT | Special Weather Statement | BYZ | Carbon | 64 min |
| Aug 6, 6:41 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 28 min |
| Aug 6, 6:44 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 48 min |
| Aug 6, 6:55 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 65 min |
| Aug 6, 7:05 PM MDT | Special Weather Statement | BYZ | Yellowstone | 55 min |
| Aug 6, 7:34 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 56 min |
| Aug 6, 7:36 PM MDT | Special Weather Statement | TFX | Fergus | 39 min |
| Aug 6, 7:39 PM MDT | Severe Thunderstorm Watch | SPC | Garfield, McCone, Petroleum, Phillips, Valley | 5 hr |
| Aug 6, 7:52 PM MDT | Special Weather Statement | BYZ | Yellowstone | 53 min |
| Aug 6, 7:57 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 49 min |
| Aug 6, 8:01 PM MDT | Special Weather Statement | BYZ | Big Horn | 59 min |
| Aug 6, 8:24 PM MDT | Special Weather Statement | TFX | Blaine | 36 min |
| Aug 6, 9:07 PM MDT | Special Weather Statement | BYZ | Rosebud, Treasure | 53 min |
| Aug 6, 9:55 PM MDT | Mesoscale Discussion | SPC | Garfield, Petroleum, Phillips, Valley | 65 min |
| Aug 6, 11:04 PM MDT | Special Weather Statement | BYZ | Custer | 56 min |
| Aug 7, 12:12 AM MDT | Special Weather Statement | BYZ | Prairie | 48 min |
| Aug 7, 6:39 AM MDT | Special Weather Statement | TFX | Cascade | 51 min |
| Aug 7, 7:02 AM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Teton | 18 min |
| Aug 7, 7:43 AM MDT | Areal Flood Advisory | TFX | Cascade | 99 min |
| Aug 7, 8:51 AM MDT | Flash Flood Warning | TFX | Lewis and Clark, Teton | 6 hr |
| Aug 7, 9:18 AM MDT | Flash Flood Watch | MSO | Flathead | 3 hr |
| Aug 7, 11:50 AM MDT | Mesoscale Discussion | SPC | Big Horn, Carbon, Carter, Custer, Fallon, Gallatin and 10 more | 115 min |
| Aug 7, 12:33 PM MDT | Special Weather Statement | MSO | Powell | 42 min |
| Aug 7, 1:52 PM MDT | Areal Flood Advisory | MSO | Granite, Missoula, Powell | 101 min |
| Aug 7, 2:08 PM MDT | Areal Flood Advisory | MSO | Granite | 86 min |
| Aug 7, 2:24 PM MDT | Areal Flood Advisory | MSO | Missoula | 111 min |
| Aug 7, 2:33 PM MDT | Special Weather Statement | BYZ | Wheatland | 57 min |
| Aug 7, 2:38 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 8 more | 7 hr |
| Aug 7, 3:40 PM MDT | Special Weather Statement | BYZ | Golden Valley | 50 min |
| Aug 7, 3:43 PM MDT | Special Weather Statement | BYZ | Big Horn | 62 min |
| Aug 7, 4:05 PM MDT | Areal Flood Advisory | MSO | Missoula | 66 min |
| Aug 7, 4:13 PM MDT | Special Weather Statement | BYZ | Stillwater | 77 min |
| Aug 7, 4:15 PM MDT | Flash Flood Watch | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 6 more | 6 hr |
| Aug 7, 4:27 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 63 min |
| Aug 7, 4:37 PM MDT | Flash Flood Warning | BYZ | Stillwater | 114 min |
| Aug 7, 4:50 PM MDT | Special Weather Statement | BYZ | Yellowstone | 40 min |
| Aug 7, 5:00 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 30 min |
| Aug 7, 5:26 PM MDT | Special Weather Statement | BYZ | Yellowstone | 94 min |
| Aug 7, 5:26 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 64 min |
| Aug 7, 5:35 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Yellowstone | 55 min |
| Aug 7, 5:47 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 58 min |
| Aug 7, 5:55 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carbon, Carter, Custer, Powder River, Rosebud and 2 more | 95 min |
| Aug 7, 6:15 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Yellowstone | 60 min |
| Aug 7, 6:30 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River, Rosebud | 60 min |
| Aug 7, 6:43 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River, Rosebud | 62 min |
| Aug 7, 6:44 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 46 min |
| Aug 7, 7:16 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 42 min |
| Aug 7, 7:23 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 52 min |
| Aug 7, 7:32 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 20 min |
| Aug 7, 7:41 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Powder River | 34 min |
| Aug 7, 7:46 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 13 min |
| Aug 7, 7:55 PM MDT | Special Weather Statement | BYZ | Rosebud, Treasure | 50 min |
| Aug 7, 8:02 PM MDT | Special Weather Statement | BYZ | Custer | 58 min |
| Aug 7, 8:04 PM MDT | Special Weather Statement | BYZ | Powder River | 56 min |
| Aug 7, 8:05 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Fallon | 55 min |
| Aug 7, 8:45 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 45 min |
| Aug 7, 8:46 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Wibaux | 37 min |
| Aug 7, 8:50 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 55 min |
| Aug 7, 8:53 PM MDT | Mesoscale Discussion | SPC | Carter | 97 min |
| Aug 7, 9:41 PM MDT | Special Weather Statement | BYZ | Prairie | 49 min |
| Aug 7, 10:14 PM MDT | Special Weather Statement | BYZ | Fallon | 46 min |
| Aug 7, 10:36 PM MDT | Flash Flood Warning | GGW | Dawson, Richland, Wibaux | 4 hr |
| Aug 8, 1:50 AM MDT | Special Weather Statement | BYZ | Carter | 55 min |
| Aug 8, 8:39 AM MDT | Special Weather Statement | BYZ | Yellowstone | 51 min |
| Aug 8, 10:31 AM MDT | Special Weather Statement | BYZ | Golden Valley, Musselshell, Treasure, Yellowstone | 59 min |
| Aug 8, 4:53 PM MDT | Special Weather Statement | BYZ | Carter | 52 min |
| Aug 8, 5:01 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 48 min |
| Aug 8, 6:58 PM MDT | Special Weather Statement | BYZ | Yellowstone | 62 min |
| Aug 8, 7:15 PM MDT | Special Weather Statement | BYZ | Yellowstone | 60 min |
| Aug 8, 7:35 PM MDT | Special Weather Statement | BYZ | Yellowstone | 55 min |
| Aug 9, 3:32 PM MDT | Special Weather Statement | TFX | Toole | 43 min |
| Aug 9, 4:34 PM MDT | Flash Flood Warning | TFX | Toole | 3 hr |
| Aug 9, 5:08 PM MDT | Special Weather Statement | TFX | Toole | 37 min |
| Aug 9, 5:21 PM MDT | Special Weather Statement | TFX | Cascade | 39 min |
| Aug 9, 6:38 PM MDT | Special Weather Statement | TFX | 52 min | |
| Aug 9, 7:49 PM MDT | Special Weather Statement | TFX | Cascade | 41 min |
| Aug 11, 3:18 AM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 15 hr |
| Aug 12, 3:02 PM MDT | Special Weather Statement | BYZ | Yellowstone | 58 min |
| Aug 12, 3:49 PM MDT | Special Weather Statement | BYZ | Big Horn, Yellowstone | 56 min |
| Aug 12, 4:38 PM MDT | Special Weather Statement | BYZ | Golden Valley, Wheatland | 52 min |
| Aug 12, 4:42 PM MDT | Special Weather Statement | BYZ | Big Horn | 63 min |
| Aug 12, 5:02 PM MDT | Special Weather Statement | TFX | Fergus | 43 min |
| Aug 12, 7:54 PM MDT | Special Weather Statement | GGW | Valley | 66 min |
| Aug 12, 8:10 PM MDT | Special Weather Statement | GGW | McCone | 65 min |
| Aug 12, 8:15 PM MDT | Special Weather Statement | GGW | McCone | 60 min |
| Aug 12, 8:33 PM MDT | Special Weather Statement | BYZ | Custer | 57 min |
| Aug 12, 9:03 PM MDT | Special Weather Statement | GGW | Dawson, Richland, Roosevelt | 57 min |
| Aug 12, 9:55 PM MDT | Special Weather Statement | GGW | Richland | 35 min |
| Aug 12, 9:57 PM MDT | Special Weather Statement | GGW | Richland | 33 min |
| Aug 13, 2:39 PM MDT | Mesoscale Discussion | SPC | Beaverhead, Big Horn, Broadwater, Carbon, Deer Lodge, Fergus and 13 more | 2 hr |
| Aug 13, 2:47 PM MDT | Winter Weather Advisory | TFX | 14 hr | |
| Aug 13, 2:48 PM MDT | Special Weather Statement | MSO | Ravalli | 42 min |
| Aug 13, 2:54 PM MDT | Special Weather Statement | MSO | Powell | 51 min |
| Aug 13, 2:54 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 21 min |
| Aug 13, 3:41 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 34 min |
| Aug 13, 3:59 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Blaine, Broadwater, Carbon, Cascade, Chouteau and 14 more | 7 hr |
| Aug 13, 4:04 PM MDT | Special Weather Statement | MSO | Deer Lodge | 41 min |
| Aug 13, 4:57 PM MDT | Special Weather Statement | TFX | Cascade | 48 min |
| Aug 13, 5:28 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 62 min |
| Aug 13, 5:54 PM MDT | Special Weather Statement | TFX | Meagher | 51 min |
| Aug 13, 6:11 PM MDT | Special Weather Statement | TFX | Cascade | 49 min |
| Aug 13, 6:21 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass, Wheatland | 53 min |
| Aug 13, 6:36 PM MDT | Special Weather Statement | BYZ | 24 min | |
| Aug 13, 7:11 PM MDT | Special Weather Statement | TFX | Judith Basin | 49 min |
| Aug 13, 7:26 PM MDT | Special Weather Statement | BYZ | Golden Valley | 64 min |
| Aug 13, 7:45 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Valley | 7 hr |
| Aug 13, 7:57 PM MDT | Special Weather Statement | BYZ | Sweet Grass, Wheatland | 63 min |
| Aug 13, 8:00 PM MDT | Special Weather Statement | BYZ | Musselshell | 60 min |
| Aug 13, 8:20 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 53 min |
| Aug 13, 8:24 PM MDT | Mesoscale Discussion | SPC | Big Horn, Blaine, Carbon, Chouteau, Fergus, Garfield and 11 more | 66 min |
| Aug 13, 8:40 PM MDT | Special Weather Statement | BYZ | Stillwater | 65 min |
| Aug 13, 8:49 PM MDT | Special Weather Statement | BYZ | Yellowstone | 56 min |
| Aug 13, 9:06 PM MDT | Special Weather Statement | BYZ | Golden Valley | 54 min |
| Aug 13, 9:20 PM MDT | Special Weather Statement | BYZ | Treasure | 55 min |
| Aug 13, 9:24 PM MDT | Special Weather Statement | BYZ | Yellowstone | 66 min |
| Aug 13, 10:25 PM MDT | Special Weather Statement | BYZ | Big Horn | 50 min |
| Aug 13, 10:51 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Wibaux | 54 min |
| Aug 13, 11:33 PM MDT | Tornado Warning | GGW | Garfield, McCone | 57 min |
| Aug 13, 11:47 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Richland, Wibaux | 58 min |
| Aug 14, 12:44 AM MDT | Severe Thunderstorm Warning | GGW | Richland | 32 min |
| Aug 14, 1:50 AM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 40 min |
| Aug 14, 2:32 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland | 28 min |
| Aug 14, 12:58 PM MDT | Special Weather Statement | TFX | Gallatin | 47 min |
| Aug 14, 1:03 PM MDT | Mesoscale Discussion | SPC | Beaverhead, Big Horn, Carbon, Gallatin, Golden Valley, Madison and 5 more | 87 min |
| Aug 14, 2:01 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Broadwater, Carbon, Cascade, Chouteau, Fergus and 13 more | 6 hr |
| Aug 14, 2:09 PM MDT | Special Weather Statement | TFX | Gallatin | 51 min |
| Aug 14, 2:14 PM MDT | Special Weather Statement | BYZ | Wheatland | 61 min |
| Aug 14, 2:22 PM MDT | Special Weather Statement | BYZ | Park | 53 min |
| Aug 14, 2:30 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 18 min |
| Aug 14, 2:32 PM MDT | Severe Thunderstorm Warning | BYZ | Park | 52 min |
| Aug 14, 2:47 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 50 min |
| Aug 14, 3:10 PM MDT | Special Weather Statement | TFX | Cascade | 50 min |
| Aug 14, 3:26 PM MDT | Special Weather Statement | TFX | Fergus | 64 min |
| Aug 14, 3:28 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 62 min |
| Aug 14, 3:36 PM MDT | Special Weather Statement | TFX | Gallatin | 24 min |
| Aug 14, 3:54 PM MDT | Special Weather Statement | TFX | Gallatin | 51 min |
| Aug 14, 3:59 PM MDT | Special Weather Statement | TFX | Cascade | 46 min |
| Aug 14, 4:41 PM MDT | Special Weather Statement | BYZ | Golden Valley | 64 min |
| Aug 14, 4:43 PM MDT | Special Weather Statement | TFX | Judith Basin | 47 min |
| Aug 14, 5:10 PM MDT | Mesoscale Discussion | SPC | Big Horn, Blaine, Carbon, Custer, Daniels, Dawson and 22 more | 65 min |
| Aug 14, 5:56 PM MDT | Special Weather Statement | BYZ | Golden Valley | 64 min |
| Aug 14, 6:42 PM MDT | Special Weather Statement | BYZ | Musselshell | 63 min |
| Aug 14, 7:05 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 55 min |
| Aug 14, 7:10 PM MDT | Special Weather Statement | BYZ | Golden Valley | 65 min |
| Aug 14, 7:15 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 53 min |
| Aug 14, 7:27 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 52 min |
| Aug 14, 7:51 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 54 min |
| Aug 14, 7:59 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 61 min |
| Aug 14, 8:00 PM MDT | Severe Thunderstorm Watch | SPC | Custer, Daniels, Dawson, Fallon, Garfield, McCone and 7 more | 6 hr |
| Aug 14, 8:11 PM MDT | Special Weather Statement | BYZ | Musselshell | 64 min |
| Aug 14, 8:31 PM MDT | Special Weather Statement | BYZ | Powder River | 59 min |
| Aug 14, 8:48 PM MDT | Special Weather Statement | BYZ | 57 min | |
| Aug 14, 8:49 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 56 min |
| Aug 14, 9:04 PM MDT | Special Weather Statement | BYZ | Treasure | 56 min |
| Aug 14, 9:08 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 51 min |
| Aug 14, 9:10 PM MDT | Special Weather Statement | BYZ | Custer | 65 min |
| Aug 14, 9:43 PM MDT | Special Weather Statement | BYZ | Powder River | 62 min |
| Aug 14, 9:44 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland | 61 min |
| Aug 14, 10:20 PM MDT | Special Weather Statement | BYZ | Carter | 55 min |
| Aug 14, 10:22 PM MDT | Special Weather Statement | BYZ | Rosebud | 53 min |
| Aug 14, 10:44 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland | 61 min |
| Aug 14, 10:46 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie | 49 min |
| Aug 14, 10:47 PM MDT | Mesoscale Discussion | SPC | Custer, Daniels, Dawson, Fallon, Garfield, McCone and 6 more | 58 min |
| Aug 14, 11:46 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland | 59 min |
| Aug 15, 1:28 AM MDT | Areal Flood Advisory | GGW | Dawson, McCone, Richland | 3 hr |
| Aug 15, 1:31 AM MDT | Mesoscale Discussion | SPC | Dawson, Richland, Roosevelt | 89 min |
| Aug 15, 8:32 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Valley | 8 hr |
| Aug 16, 3:13 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Phillips, Valley | 18 hr |
| Aug 18, 2:57 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Phillips, Valley | 30 hr |
| Aug 19, 11:16 AM MDT | Mesoscale Discussion | SPC | Fallon, Wibaux | 119 min |
| Aug 21, 5:15 PM MDT | Special Weather Statement | MSO | 45 min | |
| Aug 21, 5:52 PM MDT | Special Weather Statement | MSO | Powell | 38 min |
| Aug 21, 6:19 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 56 min |
| Aug 21, 6:31 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 22 min |
| Aug 21, 6:37 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 38 min |
| Aug 21, 6:48 PM MDT | Special Weather Statement | MSO | Granite, Powell | 42 min |
| Aug 21, 7:00 PM MDT | Mesoscale Discussion | SPC | Broadwater, Cascade, Deer Lodge, Granite, Jefferson, Lewis and Clark and 6 more | 90 min |
| Aug 21, 7:04 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Powell | 41 min |
| Aug 21, 7:14 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 46 min |
| Aug 21, 7:38 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Powell | 37 min |
| Aug 21, 7:51 PM MDT | Special Weather Statement | TFX | Meagher | 39 min |
| Aug 21, 8:10 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Powell | 50 min |
| Aug 21, 8:32 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 58 min |
| Aug 21, 9:54 PM MDT | Special Weather Statement | TFX | Fergus | 66 min |
| Aug 21, 10:15 PM MDT | Special Weather Statement | BYZ | Wheatland | 60 min |
| Aug 22, 1:31 PM MDT | Mesoscale Discussion | SPC | Beaverhead, Carbon, Gallatin, Madison, Park, Silver Bow and 2 more | 89 min |
| Aug 22, 3:37 PM MDT | Special Weather Statement | BYZ | Park | 83 min |
| Aug 22, 6:28 PM MDT | Special Weather Statement | TFX | Gallatin | 62 min |
| Aug 22, 7:05 PM MDT | Special Weather Statement | TFX | Jefferson | 55 min |
| Aug 22, 7:25 PM MDT | Special Weather Statement | BYZ | Golden Valley | 65 min |
| Aug 22, 7:54 PM MDT | Special Weather Statement | BYZ | Wheatland | 66 min |
| Aug 22, 8:33 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 25 min |
| Aug 22, 8:55 PM MDT | Special Weather Statement | TFX | Fergus | 65 min |
| Aug 22, 9:13 PM MDT | Special Weather Statement | TFX | Meagher | 47 min |
| Aug 22, 9:57 PM MDT | Special Weather Statement | TFX | Fergus | 63 min |
| Aug 23, 7:02 PM MDT | Mesoscale Discussion | SPC | Custer, Daniels, Dawson, Fallon, McCone, Prairie and 4 more | 88 min |
| Aug 23, 7:40 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 65 min |
| Aug 23, 7:55 PM MDT | Tornado Watch | SPC | Carter, Daniels, Dawson, Fallon, McCone, Prairie and 5 more | 5 hr |
| Aug 23, 8:02 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland | 58 min |
| Aug 23, 8:30 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Roosevelt, Valley | 60 min |
| Aug 23, 8:59 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland, Roosevelt | 61 min |
| Aug 23, 9:03 PM MDT | Tornado Warning | GGW | Daniels | 42 min |
| Aug 23, 9:28 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Valley | 30 min |
| Aug 23, 9:34 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland | 56 min |
| Aug 23, 9:41 PM MDT | Tornado Warning | GGW | Daniels, Sheridan | 40 min |
| Aug 23, 9:46 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 59 min |
| Aug 23, 10:12 PM MDT | Mesoscale Discussion | SPC | Richland, Roosevelt, Sheridan | 93 min |
| Aug 23, 10:17 PM MDT | Flash Flood Warning | GGW | Dawson, McCone, Richland | 3 hr |
| Aug 23, 10:20 PM MDT | Flash Flood Warning | GGW | Daniels, Sheridan | 3 hr |
| Aug 23, 10:32 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Roosevelt | 41 min |
| Aug 23, 10:42 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 33 min |
| Aug 23, 10:46 PM MDT | Flash Flood Warning | GGW | Richland | 3 hr |
| Aug 23, 11:01 PM MDT | Special Weather Statement | BYZ | Carter, Fallon | 59 min |
| Aug 23, 11:15 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 45 min |
| Aug 30, 2:39 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Valley | 5 hr |
| Aug 30, 6:12 PM MDT | Special Weather Statement | MSO | Ravalli | 48 min |
| Aug 30, 7:14 PM MDT | Special Weather Statement | MSO | Missoula | 46 min |
| Aug 31, 3:04 PM MDT | Special Weather Statement | RIW | Carbon | 41 min |
| Aug 31, 3:58 PM MDT | Special Weather Statement | BYZ | Carbon | 32 min |
| Aug 31, 4:49 PM MDT | Special Weather Statement | BYZ | Carbon | 56 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 | 85 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 7 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 18 |
| Special Weather Statement | 143 |
| Flooding | |
| Flash Flood Warning | 8 |
| Flash Flood Watch | 3 |
| Flood Watch | 1 |
| Areal Flood Advisory | 6 |
| Winter | |
| Winter Weather Advisory | 1 |
| Wind and dust | |
| Lake Wind Advisory | 7 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Yellowstone County34
- Big Horn County28
- Richland County28
- McCone County27
- Dawson County22
- Carbon County21
- Stillwater County21
- Golden Valley County21
- Sweet Grass County20
- Rosebud County19
- Musselshell County19
- Wheatland County19
- Garfield County18
- Powder River County18
- Gallatin County17
- Carter County16
- Fergus County16
- Meagher County15
- Cascade County15
- Custer County15
- Valley County14
- Treasure County14
- Roosevelt County14
- Fallon County13
- Prairie County12
- Powell County12
- Judith Basin County12
- Park County12
- Broadwater County11
- Lewis and Clark County11
- Silver Bow County10
- Wibaux County10
- Granite County9
- Jefferson County9
- Daniels County9
- Madison County8
- Petroleum County8
- Phillips County8
- Sheridan County8
- Ravalli County7
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.