Alert archive / Montana / Severe Thunderstorm Warnings / 2012
Severe Thunderstorm Warnings in Montana, August 2012
32 severe thunderstorm warnings in August 2012. 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 2012. Tap one for its archive.
- Severe Thunderstorm Warnings
- 32
- Busiest day
- August 13, 201212 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, 2:37 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 53 min |
| Aug 1, 3:25 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Sheridan | 65 min |
| Aug 1, 4:26 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 49 min |
| Aug 2, 1:46 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 59 min |
| Aug 2, 1:59 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Fallon | 59 min |
| Aug 2, 2:19 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 56 min |
| Aug 2, 2:40 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Wibaux | 62 min |
| Aug 2, 3:15 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 26 min |
| Aug 8, 4:41 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Teton | 68 min |
| Aug 8, 5:31 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau | 89 min |
| Aug 8, 6:20 PM MDT | Severe Thunderstorm Warning | TFX | Hill, Liberty, Toole | 80 min |
| Aug 8, 9:03 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Teton | 47 min |
| Aug 10, 1:10 AM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge | 25 min |
| Aug 13, 6:07 AM MDT | Severe Thunderstorm Warning | GGW | Garfield | 24 min |
| Aug 13, 9:49 AM MDT | Severe Thunderstorm Warning | TFX | Blaine | 41 min |
| Aug 13, 10:43 AM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 48 min |
| Aug 13, 12:31 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 44 min |
| Aug 13, 1:09 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 66 min |
| Aug 13, 2:05 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Prairie | 25 min |
| Aug 13, 4:15 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 30 min |
| Aug 13, 4:20 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Fallon | 55 min |
| Aug 13, 4:47 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 58 min |
| Aug 13, 5:12 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 63 min |
| Aug 13, 5:56 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Powder River | 49 min |
| Aug 13, 5:57 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 26 min |
| Aug 13, 6:05 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 55 min |
| Aug 13, 6:45 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 31 min |
| Aug 14, 6:42 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Liberty, Toole | 78 min |
| Aug 14, 8:03 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Judith Basin, Lewis and Clark, Teton | 72 min |
| Aug 14, 9:04 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Cascade, Chouteau, Fergus, Gallatin, Jefferson and 3 more | 56 min |
| Aug 21, 5:41 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 49 min |
| Aug 21, 7:06 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 39 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Carter County6
- Cascade County6
- Chouteau County6
- Custer County5
- Garfield County5
- Powder River County4
- Fallon County3
- Prairie County3
- Teton County3
- Daniels County2
- Roosevelt County2
- Liberty County2
- Toole County2
- Valley County2
- McCone County2
- Judith Basin County2
- Lewis and Clark County2
- Sheridan County1
- Richland County1
- Dawson County1
- Wibaux County1
- Hill County1
- Deer Lodge County1
- Blaine County1
- Phillips County1
- Glacier County1
- Broadwater County1
- Fergus County1
- Gallatin County1
- Jefferson County1
- Meagher County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.