Alert archive / Montana / Severe Thunderstorm Warnings / 2013
Severe Thunderstorm Warnings in Montana, August 2013
136 severe thunderstorm warnings in August 2013. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in August 2013. Tap one for its archive.
- Severe Thunderstorm Warnings
- 136
- Busiest day
- August 5, 201324 severe thunderstorm warnings
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 1, 2:21 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 39 min |
| Aug 1, 2:44 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Cascade, Jefferson, Lewis and Clark | 46 min |
| Aug 1, 2:56 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Madison | 49 min |
| Aug 1, 3:30 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Cascade, Lewis and Clark, Meagher | 45 min |
| Aug 1, 3:40 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Gallatin, Madison | 50 min |
| Aug 1, 4:00 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Jefferson, Lewis and Clark | 45 min |
| Aug 1, 4:15 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Judith Basin, Meagher | 45 min |
| Aug 1, 4:26 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Gallatin, Jefferson, Madison | 49 min |
| Aug 1, 5:05 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 40 min |
| Aug 1, 5:23 PM MDT | Severe Thunderstorm Warning | BYZ | Park, Sweet Grass | 52 min |
| Aug 1, 5:39 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin, Meagher | 51 min |
| Aug 1, 6:12 PM MDT | Severe Thunderstorm Warning | BYZ | Park, Sweet Grass, Wheatland | 63 min |
| Aug 1, 7:01 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Stillwater, Sweet Grass, Wheatland | 59 min |
| Aug 1, 7:38 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Carbon, Stillwater, Yellowstone | 52 min |
| Aug 1, 7:52 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell, Stillwater, Wheatland, Yellowstone | 53 min |
| Aug 1, 8:26 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Carbon, Stillwater, Treasure, Yellowstone | 64 min |
| Aug 1, 8:41 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell, Rosebud, Yellowstone | 64 min |
| Aug 1, 9:17 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud, Treasure, Yellowstone | 58 min |
| Aug 1, 10:10 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Custer, Powder River, Rosebud, Treasure | 65 min |
| Aug 2, 1:57 AM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Lewis and Clark | 48 min |
| Aug 2, 2:57 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 48 min |
| Aug 3, 1:19 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Judith Basin | 41 min |
| Aug 3, 1:36 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 39 min |
| Aug 3, 2:19 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 56 min |
| Aug 3, 3:03 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 72 min |
| Aug 3, 4:01 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Phillips, Valley | 59 min |
| Aug 3, 4:11 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 64 min |
| Aug 3, 4:58 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 62 min |
| Aug 3, 5:00 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 60 min |
| Aug 3, 5:11 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 64 min |
| Aug 3, 5:15 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River, Rosebud | 45 min |
| Aug 3, 5:34 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Phillips, Valley | 41 min |
| Aug 3, 5:36 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 54 min |
| Aug 3, 5:56 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 64 min |
| Aug 3, 5:58 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 47 min |
| Aug 3, 6:00 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 60 min |
| Aug 3, 6:11 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 49 min |
| Aug 3, 6:15 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 45 min |
| Aug 3, 6:23 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 67 min |
| Aug 3, 6:44 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 46 min |
| Aug 3, 6:59 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 46 min |
| Aug 3, 7:11 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Powder River | 64 min |
| Aug 3, 7:29 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 61 min |
| Aug 3, 7:40 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 50 min |
| Aug 3, 8:20 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 25 min |
| Aug 3, 8:29 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Fallon | 61 min |
| Aug 3, 9:26 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Fallon | 64 min |
| Aug 3, 9:55 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 65 min |
| Aug 4, 4:55 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 65 min |
| Aug 5, 1:34 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Pondera, Toole | 41 min |
| Aug 5, 2:45 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Liberty, Toole | 60 min |
| Aug 5, 3:01 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 59 min |
| Aug 5, 3:04 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud | 56 min |
| Aug 5, 3:18 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Toole | 42 min |
| Aug 5, 3:20 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 55 min |
| Aug 5, 3:25 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 65 min |
| Aug 5, 3:50 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 55 min |
| Aug 5, 3:55 PM MDT | Severe Thunderstorm Warning | TFX | Toole | 50 min |
| Aug 5, 3:58 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 62 min |
| Aug 5, 4:17 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Valley | 58 min |
| Aug 5, 4:22 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 53 min |
| Aug 5, 4:35 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie | 55 min |
| Aug 5, 4:40 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Powder River | 65 min |
| Aug 5, 4:41 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland | 34 min |
| Aug 5, 4:49 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 56 min |
| Aug 5, 4:52 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 53 min |
| Aug 5, 4:55 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 65 min |
| Aug 5, 4:57 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 48 min |
| Aug 5, 5:09 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Roosevelt, Valley | 66 min |
| Aug 5, 5:18 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Chouteau, Hill | 57 min |
| Aug 5, 5:21 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Wibaux | 54 min |
| Aug 5, 5:28 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Fallon, Powder River | 62 min |
| Aug 5, 5:38 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Richland, Roosevelt, Valley | 67 min |
| Aug 5, 6:10 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 65 min |
| Aug 5, 6:27 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Fallon, Powder River | 63 min |
| Aug 6, 6:01 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 29 min |
| Aug 7, 5:44 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Meagher | 46 min |
| Aug 7, 6:09 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 51 min |
| Aug 7, 6:24 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Meagher | 51 min |
| Aug 7, 7:08 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 67 min |
| Aug 8, 9:17 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 28 min |
| Aug 8, 10:37 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 38 min |
| Aug 9, 7:01 PM MDT | Severe Thunderstorm Warning | MSO | Missoula, Ravalli | 44 min |
| Aug 9, 7:26 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Missoula, Ravalli | 34 min |
| Aug 9, 7:55 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Powell | 50 min |
| Aug 9, 9:11 PM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lake | 49 min |
| Aug 9, 9:36 PM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lake, Sanders | 39 min |
| Aug 10, 2:32 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 58 min |
| Aug 10, 2:33 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 57 min |
| Aug 10, 3:29 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 46 min |
| Aug 10, 3:52 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Valley | 53 min |
| Aug 10, 4:24 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Stillwater | 51 min |
| Aug 10, 7:06 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 54 min |
| Aug 10, 7:41 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 64 min |
| Aug 10, 8:15 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Pondera, Teton | 45 min |
| Aug 10, 8:56 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 49 min |
| Aug 11, 11:58 PM MDT | Severe Thunderstorm Warning | MSO | Sanders | 47 min |
| Aug 12, 6:51 PM MDT | Severe Thunderstorm Warning | MSO | Missoula, Powell | 39 min |
| Aug 12, 6:56 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 49 min |
| Aug 12, 8:10 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 50 min |
| Aug 12, 8:26 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 49 min |
| Aug 12, 8:57 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill, Liberty | 48 min |
| Aug 13, 4:28 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 32 min |
| Aug 13, 4:38 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 52 min |
| Aug 13, 5:19 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 56 min |
| Aug 14, 7:29 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 61 min |
| Aug 23, 2:08 PM MDT | Severe Thunderstorm Warning | TFX | Madison | 52 min |
| Aug 23, 4:22 PM MDT | Severe Thunderstorm Warning | BYZ | Park, Sweet Grass | 53 min |
| Aug 26, 4:22 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Sheridan | 53 min |
| Aug 26, 5:12 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 48 min |
| Aug 28, 4:14 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 61 min |
| Aug 28, 6:03 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 57 min |
| Aug 28, 6:23 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 37 min |
| Aug 28, 6:26 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Prairie | 64 min |
| Aug 28, 7:03 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 42 min |
| Aug 28, 7:29 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 61 min |
| Aug 28, 7:46 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 59 min |
| Aug 28, 7:52 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie | 53 min |
| Aug 28, 8:27 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 63 min |
| Aug 28, 8:41 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Prairie | 64 min |
| Aug 28, 8:44 PM MDT | Severe Thunderstorm Warning | GGW | Prairie, Wibaux | 61 min |
| Aug 28, 9:09 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland | 66 min |
| Aug 28, 9:18 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 57 min |
| Aug 28, 9:28 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Roosevelt, Valley | 62 min |
| Aug 28, 10:04 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Richland, Roosevelt, Sheridan | 56 min |
| Aug 28, 10:32 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Richland, Wibaux | 58 min |
| Aug 29, 4:23 PM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lake, Sanders | 37 min |
| Aug 29, 9:32 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 43 min |
| Aug 29, 9:50 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Chouteau, Hill | 55 min |
| Aug 29, 11:28 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 47 min |
| Aug 29, 11:33 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 57 min |
| Aug 30, 3:34 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 56 min |
| Aug 30, 4:36 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 39 min |
| Aug 30, 5:04 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 86 min |
| Aug 30, 6:17 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 58 min |
| Aug 30, 7:17 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 28 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Custer County16
- Rosebud County14
- Powder River County13
- Valley County13
- Garfield County12
- McCone County12
- Richland County12
- Big Horn County10
- Roosevelt County8
- Prairie County7
- Hill County7
- Cascade County6
- Stillwater County6
- Phillips County6
- Carter County6
- Fallon County6
- Chouteau County6
- Dawson County6
- Broadwater County5
- Meagher County5
- Judith Basin County5
- Yellowstone County5
- Daniels County5
- Lewis and Clark County4
- Madison County4
- Gallatin County4
- Sweet Grass County4
- Golden Valley County4
- Musselshell County4
- Fergus County4
- Sheridan County4
- Toole County4
- Beaverhead County3
- Jefferson County3
- Park County3
- Wheatland County3
- Carbon County3
- Treasure County3
- Petroleum County3
- Glacier County3
Nearby
Alerts in force nowTornadoes on recordThe radar archive20122014
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.