Alert archive / Montana / 2015
Weather alerts in Montana, September 2015
58 weather alerts in September 2015, 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 September 2015. Tap one for its archive.
- Alerts
- 58
- Warnings
- 14
- Watches
- 5
- Advisories
- 7
- Busiest day
- September 6, 201524 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 |
|---|---|---|---|---|
| Sep 1, 3:10 AM MDT | Red Flag Warning | BYZ | Carbon, Gallatin, Madison, Park, Stillwater, Sweet Grass and 1 more | 42 hr |
| Sep 1, 3:44 AM MDT | Fire Weather Watch | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 7 hr |
| Sep 1, 10:47 AM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 34 hr |
| Sep 1, 3:16 PM MDT | Red Flag Warning | TFX | Broadwater, Cascade, Chouteau, Fergus, Gallatin, Jefferson and 3 more | 30 hr |
| Sep 2, 3:01 PM MDT | Special Weather Statement | BYZ | Custer, Powder River | 59 min |
| Sep 2, 3:14 PM MDT | Special Weather Statement | GGW | Dawson, Prairie | 61 min |
| Sep 4, 3:27 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 14 hr |
| Sep 4, 11:09 AM MDT | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 2 more | 46 hr |
| Sep 4, 7:26 PM MDT | Special Weather Statement | BYZ | Powder River | 49 min |
| Sep 4, 8:12 PM MDT | Special Weather Statement | MSO | Deer Lodge | 48 min |
| Sep 4, 8:17 PM MDT | Special Weather Statement | BYZ | Powder River | 58 min |
| Sep 4, 8:43 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 7 hr |
| Sep 4, 9:06 PM MDT | Special Weather Statement | MSO | Powell | 39 min |
| Sep 4, 9:29 PM MDT | Special Weather Statement | BYZ | Carter | 61 min |
| Sep 4, 10:30 PM MDT | Special Weather Statement | BYZ | Carter, Fallon | 60 min |
| Sep 5, 1:01 AM MDT | Special Weather Statement | GGW | Sheridan | 44 min |
| Sep 5, 1:56 PM MDT | Special Weather Statement | MSO | Powell | 34 min |
| Sep 5, 2:25 PM MDT | Special Weather Statement | MSO | Granite | 35 min |
| Sep 5, 2:51 PM MDT | Special Weather Statement | MSO | Granite | 39 min |
| Sep 5, 2:54 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 30 hr |
| Sep 5, 3:16 PM MDT | Special Weather Statement | TFX | Jefferson, Lewis and Clark | 59 min |
| Sep 5, 4:25 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carter, Custer, Dawson, Fallon, Powder River and 5 more | 2 hr |
| Sep 5, 6:00 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Carter, Custer, Dawson, Fallon, Garfield and 7 more | 9 hr |
| Sep 5, 6:15 PM MDT | Special Weather Statement | BYZ | Big Horn | 45 min |
| Sep 5, 6:27 PM MDT | Special Weather Statement | BYZ | Big Horn | 48 min |
| Sep 5, 6:58 PM MDT | Special Weather Statement | BYZ | Big Horn | 62 min |
| Sep 5, 7:04 PM MDT | Special Weather Statement | BYZ | 41 min | |
| Sep 5, 7:14 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 46 min |
| Sep 5, 7:20 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River, Rosebud | 55 min |
| Sep 5, 7:41 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 49 min |
| Sep 5, 7:50 PM MDT | Special Weather Statement | BYZ | Rosebud | 55 min |
| Sep 5, 8:14 PM MDT | Special Weather Statement | BYZ | Powder River | 61 min |
| Sep 5, 8:19 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 56 min |
| Sep 5, 8:21 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Dawson, Fallon, Garfield, Powder River and 4 more | 84 min |
| Sep 5, 8:25 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 32 min |
| Sep 5, 8:28 PM MDT | Special Weather Statement | BYZ | Custer | 32 min |
| Sep 5, 8:51 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 54 min |
| Sep 5, 9:03 PM MDT | Special Weather Statement | GGW | Wibaux | 57 min |
| Sep 5, 9:12 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 51 min |
| Sep 5, 9:20 PM MDT | Special Weather Statement | BYZ | Custer | 40 min |
| Sep 5, 9:25 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 9 min |
| Sep 5, 9:38 PM MDT | Special Weather Statement | BYZ | Carter | 67 min |
| Sep 5, 9:38 PM MDT | Special Weather Statement | GGW | Wibaux | 67 min |
| Sep 5, 10:24 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Wibaux | 36 min |
| Sep 5, 10:25 PM MDT | Mesoscale Discussion | SPC | Fallon, Wibaux | 95 min |
| Sep 6, 1:30 AM MDT | Special Weather Statement | BYZ | Powder River | 60 min |
| Sep 13, 3:42 AM MDT | Red Flag Warning | BYZ | Gallatin, Madison, Park, Sweet Grass, Wheatland | 17 hr |
| Sep 13, 5:23 PM MDT | Special Weather Statement | BYZ | Carbon | 37 min |
| Sep 13, 6:04 PM MDT | Special Weather Statement | BYZ | Carbon | 41 min |
| Sep 13, 6:50 PM MDT | Special Weather Statement | BYZ | Big Horn, Carbon, Stillwater, Yellowstone | 55 min |
| Sep 14, 9:26 PM MDT | Special Weather Statement | BYZ | Park | 49 min |
| Sep 18, 2:54 PM MDT | High Wind Watch | TFX | 12 hr | |
| Sep 19, 3:22 AM MDT | High Wind Warning | TFX | 49 hr | |
| Sep 19, 1:56 PM MDT | Wind Advisory | MSO | Flathead, Lake, Sanders | 30 hr |
| Sep 21, 3:22 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 15 hr |
| Sep 22, 3:40 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 24 hr |
| Sep 24, 3:31 AM MDT | Fire Weather Watch | TFX | Broadwater, Cascade, Chouteau, Fergus, Gallatin, Glacier and 8 more | 23 hr |
| Sep 24, 3:34 AM MDT | Fire Weather Watch | BYZ | Gallatin, Madison, Park, Sweet Grass, Wheatland | 24 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 | 9 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 3 |
| Special Weather Statement | 29 |
| Winter | |
| Winter Weather Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Lake Wind Advisory | 5 |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 4 |
| Fire Weather Watch | 3 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Powder River County11
- Carter County8
- Wibaux County8
- Garfield County7
- Fallon County7
- Big Horn County7
- Custer County6
- McCone County6
- Rosebud County6
- Gallatin County5
- Madison County5
- Granite County5
- Jefferson County5
- Powell County5
- Dawson County5
- Petroleum County5
- Phillips County5
- Valley County5
- Carbon County4
- Park County4
- Deer Lodge County4
- Prairie County4
- Sweet Grass County3
- Wheatland County3
- Silver Bow County3
- Lewis and Clark County3
- Treasure County3
- Stillwater County2
- Beaverhead County2
- Broadwater County2
- Cascade County2
- Chouteau County2
- Fergus County2
- Judith Basin County2
- Meagher County2
- Flathead County2
- Lake County2
- Yellowstone County2
- Missoula County1
- Ravalli County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20142016
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.