Alert archive / Montana / 2010
Weather alerts in Montana, May 2010
197 weather alerts in May 2010, 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 2010. Tap one for its archive.
- Alerts
- 197
- Warnings
- 68
- Watches
- 20
- Advisories
- 39
- Busiest day
- May 28, 201031 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 30, 9:19 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 23 hr |
| May 1, 5:02 AM MDT | Special Weather Statement | BYZ | Big Horn | 118 min |
| May 1, 9:53 AM MDT | Winter Weather Advisory | GGW | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more | 18 hr |
| May 1, 2:42 PM MDT | High Wind Watch | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 3 more | 31 hr |
| May 1, 2:50 PM MDT | High Wind Watch | TFX | 13 hr | |
| May 1, 3:37 PM MDT | High Wind Watch | BYZ | Big Horn, Carter, Custer, Fallon, Golden Valley, Musselshell and 7 more | 47 hr |
| May 1, 3:39 PM MDT | High Wind Watch | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 26 hr |
| May 2, 3:40 AM MDT | High Wind Warning | TFX | 3 days | |
| May 2, 11:13 AM MDT | High Wind Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more | 41 hr |
| May 2, 11:13 AM MDT | Wind Advisory | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more | 28 hr |
| May 2, 1:05 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 5 hr |
| May 2, 3:02 PM MDT | High Wind Watch | TFX | 14 hr | |
| May 2, 5:45 PM MDT | High Wind Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 51 hr |
| May 3, 4:12 AM MDT | High Wind Warning | BYZ | Big Horn, Carter, Custer, Fallon, Golden Valley, Musselshell and 7 more | 41 hr |
| May 3, 8:33 PM MDT | Special Weather Statement | BYZ | Big Horn, Yellowstone | 42 min |
| May 3, 9:22 PM MDT | Winter Weather Advisory | MSO | Flathead, Lake | 7 hr |
| May 3, 9:30 PM MDT | Areal Flood Advisory | TFX | Judith Basin | 8 days |
| May 4, 4:01 AM MDT | Winter Storm Warning | MSO | Flathead, Lake | 20 hr |
| May 4, 4:01 AM MDT | Winter Weather Advisory | MSO | Granite, Lake, Missoula, Powell | 14 hr |
| May 4, 5:05 AM MDT | Winter Weather Advisory | TFX | 10 hr | |
| May 4, 2:43 PM MDT | Winter Storm Watch | MSO | Deer Lodge, Granite, Powell, Silver Bow | 14 hr |
| May 4, 4:08 PM MDT | Winter Storm Watch | BYZ | Carbon, Park, Stillwater, Sweet Grass | 11 hr |
| May 4, 5:12 PM MDT | Winter Weather Advisory | TFX | 18 hr | |
| May 4, 8:23 PM MDT | Winter Storm Warning | TFX | 14 hr | |
| May 4, 9:18 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 6 hr |
| May 5, 3:36 AM MDT | Winter Storm Watch | BYZ | Carter, Fallon, Powder River, Rosebud | 12 hr |
| May 5, 3:36 AM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 42 hr |
| May 5, 4:15 AM MDT | Winter Storm Warning | TFX | 31 hr | |
| May 5, 4:15 AM MDT | Winter Weather Advisory | TFX | 31 hr | |
| May 5, 4:21 AM MDT | Winter Storm Warning | MSO | Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow | 28 hr |
| May 5, 3:04 PM MDT | Winter Storm Watch | GGW | Dawson, Prairie, Wibaux | 13 hr |
| May 5, 3:28 PM MDT | Winter Weather Advisory | BYZ | Big Horn, Carter, Custer, Fallon, Park, Powder River and 3 more | 36 hr |
| May 6, 4:22 AM MDT | Winter Storm Warning | GGW | Dawson, McCone, Prairie, Richland, Wibaux | 10 hr |
| May 6, 9:24 AM MDT | Winter Weather Advisory | GGW | Dawson, McCone, Richland | 5 hr |
| May 6, 2:48 PM MDT | Winter Weather Advisory | GGW | Wibaux | 6 hr |
| May 10, 4:04 AM MDT | Winter Weather Advisory | MSO | Granite, Missoula, Ravalli | 23 hr |
| May 10, 3:10 PM MDT | Winter Weather Advisory | TFX | 18 hr | |
| May 11, 2:59 PM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 33 hr |
| May 11, 2:59 PM MDT | Winter Weather Advisory | BYZ | Carbon, Stillwater, Sweet Grass | 24 hr |
| May 14, 10:49 AM MDT | Areal Flood Advisory | TFX | Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 7 more | 7 days |
| May 16, 12:55 PM MDT | Special Weather Statement | GGW | Daniels | 50 min |
| May 16, 1:14 PM MDT | Special Weather Statement | GGW | Richland | 46 min |
| May 16, 2:38 PM MDT | Special Weather Statement | GGW | Sheridan | 37 min |
| May 17, 3:29 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Phillips, Valley | 16 hr |
| May 17, 4:11 PM MDT | Special Weather Statement | MSO | Deer Lodge, Granite, Lake, Mineral, Missoula, Powell and 2 more | 64 min |
| May 17, 5:23 PM MDT | Special Weather Statement | MSO | Deer Lodge, Granite, Lake, Mineral, Missoula, Powell and 2 more | 97 min |
| May 17, 6:41 PM MDT | Special Weather Statement | MSO | Lincoln | 49 min |
| May 18, 3:56 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 24 hr |
| May 18, 2:24 PM MDT | Special Weather Statement | BYZ | Big Horn | 36 min |
| May 18, 3:39 PM MDT | Special Weather Statement | TFX | Judith Basin | 51 min |
| May 18, 3:50 PM MDT | Special Weather Statement | TFX | Judith Basin | 40 min |
| May 18, 3:57 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus, Judith Basin | 48 min |
| May 18, 4:00 PM MDT | Special Weather Statement | BYZ | Golden Valley | 60 min |
| May 18, 5:18 PM MDT | Areal Flood Advisory | MSO | Missoula, Ravalli | 57 min |
| May 18, 5:27 PM MDT | Special Weather Statement | BYZ | Treasure | 63 min |
| May 18, 5:30 PM MDT | Special Weather Statement | TFX | Judith Basin | 45 min |
| May 18, 6:10 PM MDT | Special Weather Statement | GGW | Phillips | 65 min |
| May 18, 6:15 PM MDT | Areal Flood Advisory | MSO | Missoula | 26 min |
| May 18, 6:16 PM MDT | Special Weather Statement | BYZ | Big Horn | 59 min |
| May 18, 6:19 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 56 min |
| May 18, 6:56 PM MDT | Special Weather Statement | TFX | Judith Basin | 49 min |
| May 18, 7:07 PM MDT | Special Weather Statement | GGW | Garfield | 38 min |
| May 18, 7:24 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 51 min |
| May 18, 7:27 PM MDT | Special Weather Statement | GGW | Petroleum | 63 min |
| May 18, 7:30 PM MDT | Special Weather Statement | BYZ | Yellowstone | 30 min |
| May 18, 7:35 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 15 min |
| May 18, 8:01 PM MDT | Special Weather Statement | TFX | Fergus | 59 min |
| May 18, 8:12 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 48 min |
| May 18, 9:03 PM MDT | Special Weather Statement | GGW | Phillips | 27 min |
| May 18, 9:35 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum, Phillips | 55 min |
| May 18, 10:16 PM MDT | Special Weather Statement | GGW | 59 min | |
| May 18, 10:26 PM MDT | Areal Flood Warning | GGW | Phillips | 12 hr |
| May 18, 10:37 PM MDT | Areal Flood Warning | GGW | Phillips | 12 hr |
| May 19, 8:37 AM MDT | Flash Flood Watch | TFX | 58 hr | |
| May 19, 1:07 PM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 29 hr |
| May 19, 4:36 PM MDT | Special Weather Statement | GGW | Garfield | 54 min |
| May 19, 5:20 PM MDT | Special Weather Statement | GGW | Garfield | 25 min |
| May 19, 6:02 PM MDT | Special Weather Statement | GGW | Garfield | 28 min |
| May 19, 6:36 PM MDT | Special Weather Statement | GGW | Valley | 54 min |
| May 19, 7:18 PM MDT | Special Weather Statement | BYZ | Big Horn | 57 min |
| May 19, 7:26 PM MDT | Special Weather Statement | GGW | Valley | 34 min |
| May 19, 7:51 PM MDT | Areal Flood Advisory | GGW | Phillips | 3 hr |
| May 19, 9:26 PM MDT | Special Weather Statement | MSO | Lincoln, Mineral, Sanders | 94 min |
| May 19, 9:50 PM MDT | High Wind Watch | TFX | 5 hr | |
| May 20, 3:37 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 17 hr |
| May 20, 12:32 PM MDT | Frost Advisory | MSO | Flathead, Lake, Lincoln, Mineral, Missoula, Ravalli and 1 more | 19 hr |
| May 20, 1:21 PM MDT | Mesoscale Discussion | SPC | Big Horn, Custer, Garfield, McCone, Powder River, Prairie and 3 more | 54 min |
| May 20, 3:15 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 31 min |
| May 20, 3:52 PM MDT | Special Weather Statement | GGW | Valley | 53 min |
| May 21, 10:12 AM MDT | Areal Flood Warning | TFX | Cascade, Chouteau, Fergus, Judith Basin | 48 hr |
| May 21, 10:21 AM MDT | Areal Flood Advisory | TFX | Blaine, Chouteau, Hill, Lewis and Clark, Liberty, Meagher and 1 more | 5 days |
| May 21, 2:24 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow | 40 hr |
| May 22, 2:29 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 27 hr |
| May 22, 5:40 PM MDT | Winter Weather Advisory | TFX | 5 hr | |
| May 22, 6:05 PM MDT | Special Weather Statement | BYZ | Yellowstone | 55 min |
| May 22, 6:07 PM MDT | Special Weather Statement | BYZ | Yellowstone | 53 min |
| May 22, 9:00 PM MDT | Winter Storm Warning | MSO | Deer Lodge, Granite, Powell, Silver Bow | 9 hr |
| May 22, 10:12 PM MDT | Winter Storm Warning | TFX | 8 hr | |
| May 23, 4:07 AM MDT | Winter Storm Watch | MSO | Deer Lodge, Granite, Powell, Silver Bow | 10 hr |
| May 23, 9:59 AM MDT | Areal Flood Warning | TFX | Chouteau | 71 hr |
| May 23, 10:15 AM MDT | Areal Flood Advisory | TFX | Cascade, Fergus, Judith Basin | 3 days |
| May 23, 2:13 PM MDT | Winter Storm Warning | MSO | Deer Lodge, Granite, Powell, Silver Bow | 26 hr |
| May 23, 2:53 PM MDT | Winter Storm Warning | TFX | 30 hr | |
| May 24, 3:47 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 39 hr |
| May 24, 2:10 PM MDT | Flood Watch | GGW | Daniels, Dawson, McCone, Phillips, Richland, Roosevelt and 2 more | 22 hr |
| May 24, 3:06 PM MDT | High Wind Warning | GGW | Daniels, Dawson, Garfield, McCone, Prairie, Richland and 4 more | 21 hr |
| May 24, 3:42 PM MDT | High Wind Warning | BYZ | Carter, Custer, Fallon | 19 hr |
| May 24, 7:26 PM MDT | Areal Flood Advisory | GGW | Roosevelt | 12 hr |
| May 25, 3:37 AM MDT | Areal Flood Warning | GGW | Phillips, Valley | 34 hr |
| May 25, 6:10 AM MDT | Areal Flood Warning | GGW | Roosevelt, Valley | 6 hr |
| May 25, 11:29 AM MDT | Areal Flood Warning | BYZ | Custer | 24 hr |
| May 26, 4:05 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 48 hr |
| May 26, 11:43 AM MDT | Flash Flood Watch | BYZ | Custer | 12 hr |
| May 26, 2:37 PM MDT | Flash Flood Watch | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 20 hr |
| May 26, 3:41 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carter, Custer, Powder River, Rosebud, Treasure and 1 more | 94 min |
| May 26, 5:03 PM MDT | Tornado Watch | SPC | Big Horn, Carter, Custer, Fallon, Musselshell, Powder River and 3 more | 7 hr |
| May 26, 5:06 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 51 min |
| May 26, 6:10 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River, Rosebud | 65 min |
| May 26, 6:47 PM MDT | Special Weather Statement | BYZ | Carter | 58 min |
| May 26, 7:19 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River, Rosebud | 56 min |
| May 26, 7:34 PM MDT | Flash Flood Warning | BYZ | Custer, Powder River, Rosebud | 2 hr |
| May 26, 7:48 PM MDT | Special Weather Statement | BYZ | Carter | 57 min |
| May 26, 7:56 PM MDT | Tornado Warning | BYZ | Custer, Powder River | 19 min |
| May 26, 8:08 PM MDT | Special Weather Statement | BYZ | Custer | 52 min |
| May 26, 8:10 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 65 min |
| May 26, 8:30 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carter, Custer, Powder River, Rosebud, Treasure | 60 min |
| May 26, 8:46 PM MDT | Special Weather Statement | BYZ | Powder River | 59 min |
| May 26, 8:57 PM MDT | Tornado Warning | BYZ | Carter | 48 min |
| May 26, 9:09 PM MDT | Special Weather Statement | BYZ | Wheatland | 66 min |
| May 26, 9:21 PM MDT | Special Weather Statement | BYZ | Custer | 54 min |
| May 26, 10:07 PM MDT | Special Weather Statement | BYZ | Golden Valley | 53 min |
| May 26, 10:18 PM MDT | Special Weather Statement | BYZ | Carter | 57 min |
| May 26, 10:48 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 57 min |
| May 26, 11:06 PM MDT | Special Weather Statement | BYZ | Golden Valley | 54 min |
| May 27, 12:08 AM MDT | Special Weather Statement | BYZ | Golden Valley | 52 min |
| May 27, 1:14 AM MDT | Special Weather Statement | BYZ | Musselshell | 61 min |
| May 27, 10:51 AM MDT | Flash Flood Watch | GGW | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more | 23 hr |
| May 27, 2:35 PM MDT | Mesoscale Discussion | SPC | Cascade, Chouteau, Hill, Judith Basin, Liberty | 115 min |
| May 27, 2:40 PM MDT | Special Weather Statement | TFX | Liberty | 50 min |
| May 27, 2:54 PM MDT | Mesoscale Discussion | SPC | Big Horn, Custer, Dawson, Fallon, Garfield, McCone and 9 more | 96 min |
| May 27, 2:55 PM MDT | Severe Thunderstorm Warning | TFX | Hill, Liberty | 40 min |
| May 27, 4:03 PM MDT | Special Weather Statement | TFX | Chouteau | 42 min |
| May 27, 4:07 PM MDT | Special Weather Statement | MSO | Missoula | 38 min |
| May 27, 4:17 PM MDT | Special Weather Statement | MSO | Mineral | 43 min |
| May 27, 4:27 PM MDT | Special Weather Statement | TFX | Hill | 33 min |
| May 27, 4:39 PM MDT | Tornado Watch | SPC | Big Horn, Carter, Custer, Dawson, Fallon, Garfield and 8 more | 8 hr |
| May 27, 5:07 PM MDT | Special Weather Statement | MSO | Missoula | 53 min |
| May 27, 6:57 PM MDT | Mesoscale Discussion | SPC | Big Horn, Custer, Dawson, Fallon, Garfield, McCone and 5 more | 2 hr |
| May 27, 8:34 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Prairie | 26 min |
| May 27, 8:35 PM MDT | Special Weather Statement | GGW | Sheridan | 40 min |
| May 27, 8:45 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 30 min |
| May 27, 8:58 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Prairie | 47 min |
| May 27, 9:01 PM MDT | Tornado Warning | GGW | McCone, Prairie | 59 min |
| May 27, 9:25 PM MDT | Tornado Warning | GGW | Dawson, McCone, Prairie | 50 min |
| May 27, 9:29 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 61 min |
| May 27, 9:57 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 23 min |
| May 27, 10:00 PM MDT | Special Weather Statement | BYZ | Treasure | 60 min |
| May 27, 10:09 PM MDT | Mesoscale Discussion | SPC | Dawson, McCone, Richland, Wibaux | 66 min |
| May 27, 10:11 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud, Treasure, Yellowstone | 58 min |
| May 27, 10:14 PM MDT | Tornado Warning | GGW | Dawson, Richland | 31 min |
| May 27, 10:27 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 63 min |
| May 27, 10:43 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Valley | 62 min |
| May 27, 10:47 PM MDT | Tornado Warning | GGW | Garfield | 28 min |
| May 27, 10:55 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 64 min |
| May 27, 10:57 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud, Treasure | 63 min |
| May 27, 11:17 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Valley | 58 min |
| May 27, 11:42 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Roosevelt | 63 min |
| May 27, 11:44 PM MDT | Special Weather Statement | GGW | Daniels | 61 min |
| May 28, 12:24 AM MDT | Mesoscale Discussion | SPC | Dawson, McCone, Prairie, Richland, Roosevelt, Wibaux | 66 min |
| May 28, 12:40 AM MDT | Severe Thunderstorm Warning | GGW | McCone, Roosevelt, Valley | 65 min |
| May 28, 1:05 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland, Roosevelt | 55 min |
| May 28, 1:18 AM MDT | Severe Thunderstorm Warning | GGW | Daniels, McCone, Roosevelt, Sheridan | 57 min |
| May 28, 1:51 AM MDT | Special Weather Statement | GGW | Roosevelt, Sheridan | 54 min |
| May 28, 2:06 AM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt, Sheridan | 39 min |
| May 28, 2:40 AM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 50 min |
| May 28, 5:07 AM MDT | Winter Weather Advisory | TFX | 33 hr | |
| May 28, 6:03 AM MDT | Dense Fog Advisory | GGW | Dawson, Prairie, Richland, Wibaux | 4 hr |
| May 28, 10:04 AM MDT | Flash Flood Watch | GGW | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more | 18 hr |
| May 28, 7:36 PM MDT | Mesoscale Discussion | SPC | Custer, Dawson, Fallon, McCone, Powder River, Prairie and 3 more | 84 min |
| May 28, 8:15 PM MDT | Special Weather Statement | BYZ | Powder River | 60 min |
| May 28, 9:06 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 39 min |
| May 28, 9:44 PM MDT | Severe Thunderstorm Watch | SPC | Carter, Custer, Daniels, Dawson, Fallon, Garfield and 9 more | 7 hr |
| May 28, 9:45 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River, Rosebud | 60 min |
| May 28, 9:46 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 44 min |
| May 28, 10:09 PM MDT | Winter Weather Advisory | MSO | Flathead, Granite, Lake, Missoula, Ravalli | 14 hr |
| May 28, 10:14 PM MDT | Special Weather Statement | GGW | Garfield, Valley | 61 min |
| May 28, 10:41 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 64 min |
| May 28, 11:28 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie | 62 min |
| May 28, 11:48 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Wibaux | 57 min |
| May 29, 12:41 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Wibaux | 64 min |
| May 29, 12:44 AM MDT | Special Weather Statement | BYZ | Fallon | 61 min |
| May 29, 1:05 AM MDT | Mesoscale Discussion | SPC | Carter, Custer, Dawson, Fallon, McCone, Powder River and 5 more | 85 min |
| May 29, 1:07 AM MDT | Flash Flood Warning | GGW | Dawson, Prairie, Wibaux | 4 hr |
| May 29, 3:52 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 17 hr |
| May 29, 4:16 AM MDT | Mesoscale Discussion | SPC | Wibaux | 59 min |
| May 29, 4:18 AM MDT | Mesoscale Discussion | SPC | Wibaux | 57 min |
| May 30, 3:41 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 15 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 | 36 |
| Tornado Warning | 6 |
| Severe Thunderstorm Watch | 1 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 12 |
| Special Weather Statement | 58 |
| Flooding | |
| Areal Flood Warning | 7 |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 5 |
| Flood Watch | 1 |
| Areal Flood Advisory | 8 |
| Winter | |
| Winter Storm Warning | 11 |
| Winter Storm Watch | 5 |
| Winter Weather Advisory | 16 |
| Cold | |
| Frost Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 6 |
| High Wind Watch | 6 |
| Lake Wind Advisory | 12 |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- McCone County41
- Valley County33
- Garfield County31
- Dawson County27
- Phillips County26
- Prairie County25
- Roosevelt County25
- Richland County24
- Wibaux County24
- Custer County22
- Rosebud County21
- Powder River County20
- Sheridan County18
- Big Horn County17
- Petroleum County16
- Carter County16
- Missoula County15
- Daniels County14
- Granite County14
- Treasure County14
- Fallon County13
- Lake County11
- Powell County11
- Ravalli County11
- Judith Basin County10
- Deer Lodge County9
- Silver Bow County9
- Flathead County8
- Mineral County8
- Yellowstone County8
- Stillwater County7
- Sweet Grass County7
- Chouteau County7
- Lincoln County6
- Sanders County6
- Golden Valley County6
- Park County6
- Fergus County5
- Hill County5
- Liberty County5
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.