Alert archive / Montana / Severe Thunderstorm Warnings / 2019
Severe Thunderstorm Warnings in Montana, August 2019
82 severe thunderstorm warnings in August 2019. 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 2019. Tap one for its archive.
- Severe Thunderstorm Warnings
- 82
- Busiest day
- August 11, 201936 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, 7:25 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 50 min |
| Aug 2, 8:55 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 20 min |
| Aug 4, 3:42 AM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 31 min |
| Aug 4, 4:50 AM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River | 40 min |
| Aug 4, 5:29 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Wibaux | 61 min |
| Aug 10, 3:51 PM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge, Silver Bow | 24 min |
| Aug 10, 3:54 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Missoula | 36 min |
| Aug 10, 4:02 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 31 min |
| Aug 10, 4:15 PM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge, Silver Bow | 38 min |
| Aug 10, 4:24 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson | 36 min |
| Aug 10, 4:37 PM MDT | Severe Thunderstorm Warning | MSO | Silver Bow | 23 min |
| Aug 10, 4:38 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Missoula | 22 min |
| Aug 10, 4:42 PM MDT | Severe Thunderstorm Warning | MSO | Mineral | 33 min |
| Aug 10, 4:49 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Sweet Grass, Wheatland | 41 min |
| Aug 10, 4:53 PM MDT | Severe Thunderstorm Warning | MSO | Silver Bow | 22 min |
| Aug 10, 5:13 PM MDT | Severe Thunderstorm Warning | MSO | Mineral | 32 min |
| Aug 10, 5:16 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson | 29 min |
| Aug 10, 5:25 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson, Lewis and Clark | 35 min |
| Aug 10, 5:48 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson | 27 min |
| Aug 10, 6:14 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Jefferson | 31 min |
| Aug 10, 6:16 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Meagher | 29 min |
| Aug 10, 6:20 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 25 min |
| Aug 10, 6:45 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Meagher | 31 min |
| Aug 10, 6:50 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater | 25 min |
| Aug 10, 7:12 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Gallatin, Meagher | 48 min |
| Aug 10, 7:31 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin, Meagher | 59 min |
| Aug 10, 7:53 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin, Meagher | 55 min |
| Aug 10, 7:58 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson, Lewis and Clark | 18 min |
| Aug 10, 8:29 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 31 min |
| Aug 10, 8:55 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 29 min |
| Aug 11, 8:13 AM MDT | Severe Thunderstorm Warning | TFX | Jefferson, Lewis and Clark | 32 min |
| Aug 11, 9:06 AM MDT | Severe Thunderstorm Warning | TFX | Cascade, Lewis and Clark | 39 min |
| Aug 11, 11:28 AM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge, Silver Bow | 21 min |
| Aug 11, 1:17 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 43 min |
| Aug 11, 1:26 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 31 min |
| Aug 11, 1:53 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Madison | 37 min |
| Aug 11, 2:07 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Madison | 38 min |
| Aug 11, 2:15 PM MDT | Severe Thunderstorm Warning | BYZ | Park, Sweet Grass | 45 min |
| Aug 11, 2:15 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin, Meagher | 25 min |
| Aug 11, 2:23 PM MDT | Severe Thunderstorm Warning | TFX | Madison | 52 min |
| Aug 11, 2:30 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 15 min |
| Aug 11, 2:37 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Madison | 38 min |
| Aug 11, 2:55 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Stillwater, Sweet Grass, Wheatland | 50 min |
| Aug 11, 3:09 PM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lake | 36 min |
| Aug 11, 3:17 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Gallatin, Jefferson, Madison | 28 min |
| Aug 11, 3:41 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Wheatland | 64 min |
| Aug 11, 3:42 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Gallatin, Meagher | 25 min |
| Aug 11, 3:55 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass, Wheatland | 50 min |
| Aug 11, 4:27 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Wheatland | 63 min |
| Aug 11, 4:32 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 33 min |
| Aug 11, 4:54 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 66 min |
| Aug 11, 5:08 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 37 min |
| Aug 11, 5:16 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 59 min |
| Aug 11, 5:54 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Sweet Grass | 36 min |
| Aug 11, 5:59 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 31 min |
| Aug 11, 6:06 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 54 min |
| Aug 11, 6:25 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 50 min |
| Aug 11, 6:27 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Yellowstone | 63 min |
| Aug 11, 6:30 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 60 min |
| Aug 11, 6:35 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 40 min |
| Aug 11, 7:06 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 39 min |
| Aug 11, 7:16 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 59 min |
| Aug 11, 7:25 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 50 min |
| Aug 11, 7:31 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 59 min |
| Aug 11, 7:32 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 58 min |
| Aug 11, 8:02 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud, Treasure, Yellowstone | 58 min |
| Aug 11, 8:53 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud, Treasure | 52 min |
| Aug 11, 9:40 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 65 min |
| Aug 11, 9:49 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie | 56 min |
| Aug 14, 4:37 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 38 min |
| Aug 14, 7:05 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 55 min |
| Aug 14, 7:58 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 62 min |
| Aug 14, 8:11 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 64 min |
| Aug 14, 9:43 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 50 min |
| Aug 21, 7:17 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 43 min |
| Aug 21, 7:54 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau | 31 min |
| Aug 22, 6:48 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River, Rosebud | 57 min |
| Aug 22, 6:59 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 46 min |
| Aug 22, 7:25 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 53 min |
| Aug 22, 7:53 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River, Rosebud | 67 min |
| Aug 22, 8:40 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 65 min |
| Aug 23, 6:55 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 65 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Big Horn County9
- Jefferson County8
- Meagher County8
- Rosebud County8
- Wheatland County7
- Broadwater County7
- Powder River County6
- Sweet Grass County6
- Silver Bow County5
- Golden Valley County5
- Gallatin County5
- Beaverhead County5
- Madison County5
- Yellowstone County5
- Custer County4
- Lewis and Clark County4
- Deer Lodge County3
- Missoula County3
- Cascade County3
- Stillwater County3
- Dawson County2
- Prairie County2
- Granite County2
- Mineral County2
- Fergus County2
- Petroleum County2
- Garfield County2
- Musselshell County2
- Treasure County2
- Carter County2
- Liberty County1
- Toole County1
- Wibaux County1
- Carbon County1
- Judith Basin County1
- Park County1
- Flathead County1
- Lake County1
- McCone County1
- Roosevelt County1
2 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.