Alert archive / Montana / Severe Thunderstorm Warnings / 2010
Severe Thunderstorm Warnings in Montana, August 2010
91 severe thunderstorm warnings in August 2010. 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 2010. Tap one for its archive.
- Severe Thunderstorm Warnings
- 91
- Busiest day
- August 1, 201024 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 |
|---|---|---|---|---|
| Jul 31, 6:07 PM MDT | Severe Thunderstorm Warning | BYZ | Park | 53 min |
| Jul 31, 6:33 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 27 min |
| Jul 31, 6:59 PM MDT | Severe Thunderstorm Warning | BYZ | Park, Stillwater, Sweet Grass | 61 min |
| Jul 31, 7:01 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Madison | 25 min |
| Jul 31, 7:27 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 63 min |
| Jul 31, 7:30 PM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lake, Sanders | 45 min |
| Jul 31, 7:34 PM MDT | Severe Thunderstorm Warning | MSO | Missoula, Sanders | 41 min |
| Jul 31, 7:36 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 24 min |
| Jul 31, 7:49 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Missoula, Ravalli | 41 min |
| Jul 31, 7:55 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Stillwater | 50 min |
| Jul 31, 7:58 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 16 min |
| Jul 31, 8:10 PM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lake | 30 min |
| Jul 31, 8:22 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 68 min |
| Jul 31, 8:32 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Roosevelt, Valley | 58 min |
| Jul 31, 9:50 PM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge, Granite, Ravalli | 25 min |
| Aug 1, 2:02 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 58 min |
| Aug 1, 2:26 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 50 min |
| Aug 1, 2:33 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 41 min |
| Aug 1, 2:47 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 13 min |
| Aug 1, 4:35 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Valley | 55 min |
| Aug 1, 5:11 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 20 min |
| Aug 1, 5:28 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 62 min |
| Aug 1, 5:44 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 61 min |
| Aug 1, 5:46 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Hill | 44 min |
| Aug 1, 6:19 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 41 min |
| Aug 1, 6:27 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 63 min |
| Aug 1, 6:56 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 64 min |
| Aug 1, 7:12 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 48 min |
| Aug 1, 8:16 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 59 min |
| Aug 1, 10:37 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 35 min |
| Aug 2, 8:54 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 51 min |
| Aug 3, 6:34 AM MDT | Severe Thunderstorm Warning | BYZ | Rosebud, Treasure | 14 min |
| Aug 5, 4:02 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 20 min |
| Aug 5, 5:29 PM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge, Silver Bow | 46 min |
| Aug 5, 6:07 PM MDT | Severe Thunderstorm Warning | MSO | Granite | 38 min |
| Aug 5, 7:32 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 29 min |
| Aug 6, 2:51 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Ravalli | 39 min |
| Aug 6, 4:09 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 51 min |
| Aug 6, 4:53 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Yellowstone | 67 min |
| Aug 6, 5:25 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 50 min |
| Aug 6, 5:33 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 30 min |
| Aug 6, 6:47 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 43 min |
| Aug 6, 6:49 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Judith Basin | 41 min |
| Aug 6, 7:32 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 58 min |
| Aug 6, 8:29 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Roosevelt, Valley | 61 min |
| Aug 6, 9:24 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Roosevelt, Valley | 66 min |
| Aug 6, 10:15 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone | 60 min |
| Aug 6, 10:23 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland | 67 min |
| Aug 6, 10:47 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland | 58 min |
| Aug 6, 11:32 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Roosevelt, Wibaux | 58 min |
| Aug 7, 3:13 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Powder River, Rosebud | 40 min |
| Aug 9, 10:29 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 30 min |
| Aug 9, 10:53 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland | 34 min |
| Aug 9, 11:21 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie | 54 min |
| Aug 10, 4:47 PM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge | 43 min |
| Aug 10, 4:58 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 42 min |
| Aug 10, 5:12 PM MDT | Severe Thunderstorm Warning | MSO | Mineral | 21 min |
| Aug 10, 5:30 PM MDT | Severe Thunderstorm Warning | MSO | Mineral, Missoula | 21 min |
| Aug 10, 5:43 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Sanders | 62 min |
| Aug 11, 4:10 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus, Judith Basin | 65 min |
| Aug 11, 5:16 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 59 min |
| Aug 11, 5:23 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 67 min |
| Aug 11, 5:50 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 55 min |
| Aug 11, 5:55 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland | 24 min |
| Aug 11, 6:15 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 60 min |
| Aug 11, 6:41 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 64 min |
| Aug 11, 6:59 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 31 min |
| Aug 11, 7:28 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 30 min |
| Aug 11, 7:36 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 54 min |
| Aug 11, 7:46 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Judith Basin | 29 min |
| Aug 11, 8:21 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 54 min |
| Aug 11, 8:43 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 62 min |
| Aug 11, 8:59 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 50 min |
| Aug 11, 9:05 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 55 min |
| Aug 11, 9:20 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Sheridan | 19 min |
| Aug 11, 9:30 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 60 min |
| Aug 11, 10:16 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Valley | 59 min |
| Aug 12, 4:35 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 40 min |
| Aug 12, 5:50 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 18 min |
| Aug 12, 6:00 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Wibaux | 60 min |
| Aug 19, 4:00 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 57 min |
| Aug 21, 2:19 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 56 min |
| Aug 21, 5:53 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Valley | 67 min |
| Aug 21, 6:53 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland, Roosevelt | 67 min |
| Aug 21, 7:52 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 53 min |
| Aug 26, 8:09 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Missoula, Ravalli | 36 min |
| Aug 26, 8:37 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Missoula, Powell | 23 min |
| Aug 29, 3:55 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 55 min |
| Aug 29, 6:46 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 29 min |
| Aug 29, 7:49 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 47 min |
| Aug 29, 7:59 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 61 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Valley County16
- Roosevelt County12
- Richland County11
- McCone County10
- Dawson County10
- Missoula County7
- Ravalli County7
- Daniels County7
- Big Horn County7
- Granite County6
- Garfield County5
- Judith Basin County5
- Sheridan County4
- Phillips County4
- Fergus County4
- Rosebud County4
- Stillwater County3
- Flathead County3
- Lake County3
- Sanders County3
- Deer Lodge County3
- Chouteau County3
- Yellowstone County3
- Park County2
- Blaine County2
- Hill County2
- Powder River County2
- Cascade County2
- Wibaux County2
- Mineral County2
- Sweet Grass County1
- Beaverhead County1
- Madison County1
- Carbon County1
- Gallatin County1
- Petroleum County1
- Treasure County1
- Silver Bow County1
- Lewis and Clark County1
- Prairie County1
3 more counties
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.