Alert archive / Montana / 2019
Weather alerts in Montana, September 2019
132 weather alerts in September 2019, 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 2019. Tap one for its archive.
- Alerts
- 132
- Warnings
- 26
- Watches
- 9
- Advisories
- 20
- Busiest day
- September 6, 201913 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, 8:43 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 36 hr |
| Sep 1, 3:06 PM MDT | Special Weather Statement | BYZ | Custer | 39 min |
| Sep 1, 3:25 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 50 min |
| Sep 1, 4:09 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Powder River | 2 hr |
| Sep 1, 4:14 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Fallon, Powder River | 61 min |
| Sep 1, 4:59 PM MDT | Special Weather Statement | BYZ | Fallon | 61 min |
| Sep 1, 5:12 PM MDT | Special Weather Statement | BYZ | Carter | 63 min |
| Sep 2, 6:48 AM MDT | Special Weather Statement | GGW | Valley | 57 min |
| Sep 2, 6:55 AM MDT | Special Weather Statement | GGW | Daniels | 50 min |
| Sep 2, 7:36 AM MDT | Special Weather Statement | GGW | Sheridan | 39 min |
| Sep 2, 8:10 AM MDT | Special Weather Statement | GGW | Sheridan | 65 min |
| Sep 2, 8:18 AM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 27 min |
| Sep 2, 8:43 AM MDT | Special Weather Statement | GGW | Roosevelt | 47 min |
| Sep 2, 9:14 AM MDT | Special Weather Statement | GGW | Sheridan | 61 min |
| Sep 2, 9:33 AM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 42 min |
| Sep 2, 9:40 AM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 65 min |
| Sep 2, 9:54 AM MDT | Mesoscale Discussion | SPC | Richland, Roosevelt, Sheridan | 96 min |
| Sep 2, 3:03 PM MDT | Fire Weather Watch | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 19 hr |
| Sep 3, 9:30 AM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Gallatin, Golden Valley, Madison, Musselshell and 5 more | 36 hr |
| Sep 3, 10:08 AM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 34 hr |
| Sep 3, 1:44 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 30 hr |
| Sep 4, 3:05 AM MDT | Red Flag Warning | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 17 hr |
| Sep 6, 2:22 PM MDT | Special Weather Statement | TFX | 38 min | |
| Sep 6, 2:29 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 27 hr |
| Sep 6, 3:06 PM MDT | Special Weather Statement | TFX | Beaverhead | 39 min |
| Sep 6, 3:29 PM MDT | Special Weather Statement | MSO | 31 min | |
| Sep 6, 3:31 PM MDT | Special Weather Statement | MSO | Deer Lodge | 44 min |
| Sep 6, 3:46 PM MDT | Special Weather Statement | TFX | Beaverhead | 29 min |
| Sep 6, 4:17 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 43 min |
| Sep 6, 4:29 PM MDT | Special Weather Statement | TFX | Jefferson, Madison | 46 min |
| Sep 6, 4:36 PM MDT | Special Weather Statement | MSO | Silver Bow | 24 min |
| Sep 6, 5:02 PM MDT | Special Weather Statement | TFX | 43 min | |
| Sep 6, 5:22 PM MDT | Special Weather Statement | TFX | Jefferson, Madison | 23 min |
| Sep 6, 5:42 PM MDT | Special Weather Statement | TFX | Madison | 48 min |
| Sep 6, 5:45 PM MDT | Special Weather Statement | TFX | Jefferson | 45 min |
| Sep 8, 6:23 AM MDT | Dense Fog Advisory | TFX | 5 hr | |
| Sep 9, 1:56 PM MDT | Flood Watch | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 68 hr |
| Sep 9, 8:01 PM MDT | Special Weather Statement | TFX | Cascade | 29 min |
| Sep 10, 2:45 PM MDT | Winter Weather Advisory | BYZ | Carbon, Park, Stillwater, Sweet Grass | 36 hr |
| Sep 10, 3:31 PM MDT | Special Weather Statement | BYZ | Powder River | 44 min |
| Sep 10, 3:46 PM MDT | Special Weather Statement | BYZ | 44 min | |
| Sep 10, 4:26 PM MDT | Special Weather Statement | BYZ | Powder River | 34 min |
| Sep 10, 4:29 PM MDT | Special Weather Statement | BYZ | Powder River | 31 min |
| Sep 10, 4:39 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 51 min |
| Sep 10, 5:30 PM MDT | Special Weather Statement | BYZ | Powder River | 45 min |
| Sep 10, 5:41 PM MDT | Special Weather Statement | BYZ | Carter | 64 min |
| Sep 10, 6:34 PM MDT | Special Weather Statement | BYZ | 41 min | |
| Sep 10, 7:14 PM MDT | Special Weather Statement | BYZ | Powder River | 46 min |
| Sep 10, 7:24 PM MDT | Special Weather Statement | BYZ | Rosebud | 51 min |
| Sep 10, 7:56 PM MDT | Special Weather Statement | BYZ | Powder River | 49 min |
| Sep 10, 8:03 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 42 min |
| Sep 10, 8:47 PM MDT | Special Weather Statement | BYZ | Powder River | 28 min |
| Sep 10, 9:18 PM MDT | Special Weather Statement | BYZ | Carter | 42 min |
| Sep 11, 8:22 AM MDT | Special Weather Statement | BYZ | Carter | 53 min |
| Sep 11, 11:20 AM MDT | Special Weather Statement | BYZ | Carter | 40 min |
| Sep 11, 12:27 PM MDT | Areal Flood Advisory | GGW | Dawson, Garfield, McCone, Prairie, Richland, Roosevelt and 2 more | 22 hr |
| Sep 12, 10:00 AM MDT | Areal Flood Advisory | GGW | Valley | 24 hr |
| Sep 13, 2:21 PM MDT | Special Weather Statement | TFX | Liberty | 24 min |
| Sep 13, 2:48 PM MDT | Special Weather Statement | TFX | Chouteau, Hill | 27 min |
| Sep 13, 3:17 PM MDT | Special Weather Statement | TFX | Chouteau, Hill | 28 min |
| Sep 13, 3:39 PM MDT | Special Weather Statement | TFX | Chouteau | 36 min |
| Sep 13, 3:42 PM MDT | Special Weather Statement | TFX | Chouteau | 33 min |
| Sep 13, 3:44 PM MDT | Special Weather Statement | TFX | Hill | 31 min |
| Sep 13, 4:15 PM MDT | Special Weather Statement | TFX | Blaine | 45 min |
| Sep 13, 5:39 PM MDT | Special Weather Statement | TFX | 36 min | |
| Sep 13, 5:47 PM MDT | Special Weather Statement | GGW | Petroleum, Phillips | 58 min |
| Sep 13, 6:39 PM MDT | Special Weather Statement | GGW | Garfield, Valley | 66 min |
| Sep 13, 7:43 PM MDT | Special Weather Statement | GGW | Daniels, Garfield, Valley | 47 min |
| Sep 13, 8:29 PM MDT | Special Weather Statement | GGW | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 1 more | 76 min |
| Sep 16, 3:12 PM MDT | Special Weather Statement | TFX | 48 min | |
| Sep 16, 5:27 PM MDT | Special Weather Statement | BYZ | Stillwater | 33 min |
| Sep 16, 6:03 PM MDT | Special Weather Statement | TFX | Gallatin | 42 min |
| Sep 16, 6:11 PM MDT | Special Weather Statement | BYZ | Yellowstone | 49 min |
| Sep 17, 3:07 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 17 hr |
| Sep 17, 2:45 PM MDT | Mesoscale Discussion | SPC | Carter | 60 min |
| Sep 17, 3:50 PM MDT | Special Weather Statement | BYZ | Carter | 40 min |
| Sep 17, 4:11 PM MDT | Special Weather Statement | BYZ | Custer | 49 min |
| Sep 17, 4:37 PM MDT | Special Weather Statement | BYZ | Carter | 53 min |
| Sep 17, 4:58 PM MDT | Special Weather Statement | BYZ | Custer | 47 min |
| Sep 17, 5:14 PM MDT | Special Weather Statement | GGW | Prairie | 46 min |
| Sep 17, 5:27 PM MDT | Special Weather Statement | BYZ | Fallon | 48 min |
| Sep 17, 5:38 PM MDT | Special Weather Statement | GGW | Wibaux | 67 min |
| Sep 17, 5:45 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Wibaux | 60 min |
| Sep 17, 6:34 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Wibaux | 56 min |
| Sep 17, 7:14 PM MDT | Special Weather Statement | GGW | Richland | 61 min |
| Sep 17, 8:10 PM MDT | Special Weather Statement | BYZ | Carter | 50 min |
| Sep 17, 9:17 PM MDT | Areal Flood Warning | GGW | Richland | 3 hr |
| Sep 17, 10:45 PM MDT | Areal Flood Advisory | GGW | Dawson, Wibaux | 4 hr |
| Sep 19, 3:40 AM MDT | Winter Weather Advisory | TFX | 50 hr | |
| Sep 19, 3:49 AM MDT | Winter Weather Advisory | BYZ | Carbon, Park, Stillwater, Sweet Grass | 31 hr |
| Sep 19, 9:03 PM MDT | Special Weather Statement | GGW | Roosevelt | 57 min |
| Sep 19, 9:17 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt, Sheridan | 43 min |
| Sep 19, 9:46 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 44 min |
| Sep 19, 9:56 PM MDT | Special Weather Statement | GGW | Roosevelt, Sheridan | 64 min |
| Sep 19, 10:53 PM MDT | Special Weather Statement | GGW | Sheridan | 37 min |
| Sep 20, 10:53 AM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 25 hr |
| Sep 20, 4:19 PM MDT | Special Weather Statement | BYZ | Big Horn | 26 min |
| Sep 20, 7:40 PM MDT | Special Weather Statement | BYZ | Carter | 35 min |
| Sep 20, 10:09 PM MDT | Special Weather Statement | GGW | Richland | 51 min |
| Sep 23, 8:18 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 24 hr |
| Sep 24, 7:52 AM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 13 hr |
| Sep 24, 1:55 PM MDT | Special Weather Statement | GGW | Valley | 50 min |
| Sep 24, 2:03 PM MDT | Winter Storm Watch | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more | 5 days |
| Sep 24, 2:23 PM MDT | Winter Storm Watch | TFX | 4 days | |
| Sep 24, 2:29 PM MDT | Special Weather Statement | GGW | Valley | 61 min |
| Sep 24, 2:34 PM MDT | High Wind Watch | TFX | 25 hr | |
| Sep 24, 2:49 PM MDT | Special Weather Statement | GGW | Valley | 56 min |
| Sep 24, 3:32 PM MDT | Special Weather Statement | GGW | McCone | 58 min |
| Sep 25, 3:28 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Valley | 16 hr |
| Sep 25, 4:12 AM MDT | High Wind Warning | TFX | 38 hr | |
| Sep 25, 12:34 PM MDT | High Wind Watch | MSO | Flathead, Lake, Sanders | 26 hr |
| Sep 25, 7:24 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 24 hr |
| Sep 26, 3:01 AM MDT | High Wind Warning | BYZ | Golden Valley, Wheatland | 17 hr |
| Sep 26, 4:15 AM MDT | Winter Storm Warning | TFX | 4 days | |
| Sep 26, 8:00 AM MDT | Winter Storm Watch | GGW | Phillips | 30 hr |
| Sep 26, 2:10 PM MDT | Winter Storm Watch | BYZ | Carbon, Golden Valley, Park, Stillwater, Sweet Grass, Wheatland | 38 hr |
| Sep 26, 2:32 PM MDT | High Wind Warning | MSO | Flathead, Lake, Lincoln, Sanders | 61 hr |
| Sep 26, 2:33 PM MDT | Winter Storm Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more | 3 days |
| Sep 27, 1:07 PM MDT | Wind Advisory | MSO | Missoula, Ravalli | 38 hr |
| Sep 27, 2:28 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 54 hr |
| Sep 27, 2:28 PM MDT | Winter Storm Warning | GGW | Phillips | 54 hr |
| Sep 27, 2:28 PM MDT | Winter Weather Advisory | GGW | Daniels, Phillips, Valley | 61 hr |
| Sep 27, 2:43 PM MDT | Flood Watch | GGW | Valley | 54 hr |
| Sep 27, 2:54 PM MDT | Winter Storm Warning | BYZ | Carbon, Golden Valley, Park, Stillwater, Sweet Grass, Wheatland | 48 hr |
| Sep 27, 2:57 PM MDT | Winter Weather Advisory | TFX | 56 hr | |
| Sep 28, 4:18 AM MDT | Winter Weather Advisory | BYZ | Carbon, Golden Valley, Park, Stillwater, Sweet Grass | 34 hr |
| Sep 28, 8:08 AM MDT | Mesoscale Discussion | SPC | Glacier, Pondera, Teton, Toole | 4 hr |
| Sep 28, 9:46 AM MDT | Winter Weather Advisory | MSO | Flathead, Lake, Lincoln, Missoula, Ravalli, Sanders | 32 hr |
| Sep 28, 5:49 PM MDT | Special Weather Statement | MSO | Missoula | 26 min |
| Sep 29, 11:10 AM MDT | Blizzard Warning | TFX | 18 hr | |
| Sep 29, 8:41 PM MDT | Special Weather Statement | BYZ | Carter | 64 min |
| Sep 29, 11:44 PM MDT | Special Weather Statement | BYZ | Carter | 76 min |
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 | 12 |
| Mesoscale Discussion | 4 |
| Special Weather Statement | 73 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flood Watch | 2 |
| Areal Flood Advisory | 3 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 5 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 7 |
| Wind and dust | |
| High Wind Warning | 3 |
| High Wind Watch | 2 |
| Lake Wind Advisory | 8 |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 4 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Valley County19
- Carter County15
- Phillips County14
- Sheridan County13
- Garfield County12
- McCone County12
- Powder River County11
- Roosevelt County11
- Richland County10
- Petroleum County9
- Stillwater County8
- Carbon County7
- Park County7
- Sweet Grass County7
- Custer County6
- Chouteau County6
- Jefferson County6
- Dawson County6
- Flathead County6
- Lake County6
- Sanders County6
- Daniels County5
- Hill County5
- Powell County5
- Golden Valley County5
- Madison County5
- Prairie County5
- Wibaux County5
- Missoula County5
- Gallatin County4
- Wheatland County4
- Beaverhead County4
- Deer Lodge County4
- Silver Bow County4
- Ravalli County4
- Fallon County3
- Blaine County3
- Cascade County3
- Glacier County3
- Liberty County3
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.