Alert archive / Montana / 2018
Weather alerts in Montana, September 2018
61 weather alerts in September 2018, 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 2018. Tap one for its archive.
- Alerts
- 61
- Warnings
- 3
- Watches
- 0
- Advisories
- 12
- Busiest day
- September 20, 201812 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 2, 11:01 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 28 hr |
| Sep 3, 6:09 PM MDT | Special Weather Statement | BYZ | Fallon | 51 min |
| Sep 5, 7:04 PM MDT | Special Weather Statement | MSO | Ravalli | 41 min |
| Sep 5, 7:51 PM MDT | Special Weather Statement | MSO | Ravalli | 39 min |
| Sep 5, 9:33 PM MDT | Special Weather Statement | TFX | Silver Bow | 57 min |
| Sep 6, 4:04 PM MDT | Special Weather Statement | TFX | Musselshell | 41 min |
| Sep 6, 4:40 PM MDT | Special Weather Statement | TFX | Fergus | 35 min |
| Sep 6, 4:44 PM MDT | Special Weather Statement | TFX | Meagher | 31 min |
| Sep 6, 5:03 PM MDT | Special Weather Statement | BYZ | Musselshell | 42 min |
| Sep 6, 5:09 PM MDT | Special Weather Statement | MSO | Missoula | 51 min |
| Sep 6, 7:02 PM MDT | Special Weather Statement | BYZ | Carter | 43 min |
| Sep 6, 7:12 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 48 min |
| Sep 7, 1:04 PM MDT | Special Weather Statement | TFX | Judith Basin | 41 min |
| Sep 7, 1:45 PM MDT | Special Weather Statement | TFX | Fergus | 45 min |
| Sep 7, 3:39 PM MDT | Special Weather Statement | TFX | Fergus | 66 min |
| Sep 7, 4:17 PM MDT | Special Weather Statement | TFX | Chouteau, Liberty | 58 min |
| Sep 7, 5:22 PM MDT | Special Weather Statement | MSO | Powell | 38 min |
| Sep 7, 7:09 PM MDT | Special Weather Statement | TFX | Blaine | 51 min |
| Sep 7, 8:04 PM MDT | Special Weather Statement | TFX | Blaine | 56 min |
| Sep 8, 2:02 PM MDT | Special Weather Statement | BYZ | Carter, Fallon | 58 min |
| Sep 8, 3:30 PM MDT | Special Weather Statement | BYZ | Carter | 60 min |
| Sep 8, 3:56 PM MDT | Special Weather Statement | BYZ | Carbon, Park, Stillwater, Sweet Grass, Yellowstone | 49 min |
| Sep 10, 3:36 AM MDT | Red Flag Warning | MSO | Beaverhead, Jefferson, Madison, Silver Bow | 16 hr |
| Sep 12, 6:32 PM MDT | Special Weather Statement | TFX | Fergus | 58 min |
| Sep 13, 4:15 PM MDT | Special Weather Statement | TFX | Cascade | 45 min |
| Sep 13, 4:18 PM MDT | Special Weather Statement | TFX | Fergus | 42 min |
| Sep 13, 5:24 PM MDT | Special Weather Statement | TFX | Cascade | 51 min |
| Sep 15, 2:34 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 17 hr |
| Sep 15, 3:11 AM MDT | Red Flag Warning | BYZ | Big Horn, Powder River, Rosebud, Treasure | 18 hr |
| Sep 16, 10:42 PM MDT | Special Weather Statement | TFX | Blaine | 48 min |
| Sep 16, 11:21 PM MDT | Special Weather Statement | GGW | Phillips | 54 min |
| Sep 16, 11:27 PM MDT | Special Weather Statement | TFX | Chouteau | 48 min |
| Sep 17, 12:29 AM MDT | Special Weather Statement | GGW | Valley | 61 min |
| Sep 17, 2:15 AM MDT | Special Weather Statement | GGW | Valley | 60 min |
| Sep 18, 10:52 PM MDT | Special Weather Statement | BYZ | Carter | 38 min |
| Sep 18, 11:17 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 58 min |
| Sep 19, 6:53 PM MDT | Special Weather Statement | TFX | Beaverhead | 52 min |
| Sep 19, 7:41 PM MDT | Special Weather Statement | TFX | Madison | 49 min |
| Sep 19, 8:52 PM MDT | Special Weather Statement | TFX | Beaverhead | 38 min |
| Sep 19, 10:16 PM MDT | Special Weather Statement | TFX | Madison | 44 min |
| Sep 20, 1:38 PM MDT | Special Weather Statement | TFX | Glacier | 37 min |
| Sep 20, 3:09 PM MDT | Special Weather Statement | TFX | Cascade, Pondera | 36 min |
| Sep 20, 3:45 PM MDT | Special Weather Statement | TFX | Cascade | 30 min |
| Sep 20, 3:48 PM MDT | Special Weather Statement | TFX | Toole | 27 min |
| Sep 20, 4:16 PM MDT | Special Weather Statement | TFX | Cascade | 29 min |
| Sep 20, 4:18 PM MDT | Special Weather Statement | BYZ | Yellowstone | 42 min |
| Sep 20, 4:30 PM MDT | Special Weather Statement | TFX | Cascade | 30 min |
| Sep 20, 4:45 PM MDT | Special Weather Statement | TFX | Cascade | 30 min |
| Sep 22, 8:15 AM MDT | Dense Fog Advisory | TFX | 3 hr | |
| Sep 23, 8:04 AM MDT | Special Weather Statement | BYZ | Big Horn, Carter, Custer, Fallon, Golden Valley, Musselshell and 4 more | 4 hr |
| Sep 23, 4:03 PM MDT | Special Weather Statement | TFX | Hill | 42 min |
| Sep 25, 2:57 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 16 hr |
| Sep 26, 2:51 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 17 hr |
| Sep 26, 3:24 PM MDT | Winter Weather Advisory | MSO | Flathead, Lake | 42 hr |
| Sep 26, 6:06 PM MDT | Winter Weather Advisory | TFX | 39 hr | |
| Sep 27, 2:50 AM MDT | Winter Weather Advisory | BYZ | Carbon, Park, Stillwater, Sweet Grass | 31 hr |
| Sep 28, 10:11 AM MDT | Wind Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 3 more | 38 hr |
| Sep 28, 2:26 PM MDT | Winter Weather Advisory | MSO | Flathead, Granite, Lake, Missoula, Powell | 43 hr |
| Sep 28, 2:45 PM MDT | Winter Weather Advisory | TFX | 43 hr | |
| Sep 30, 5:56 AM MDT | Winter Weather Advisory | BYZ | Carbon, Park, Stillwater, Sweet Grass | 6 hr |
| Sep 30, 9:51 AM MDT | Special Weather Statement | BYZ | Yellowstone | 54 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 | 1 |
| Special Weather Statement | 46 |
| Winter | |
| Winter Weather Advisory | 6 |
| Wind and dust | |
| Lake Wind Advisory | 4 |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 2 |
| 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.
- Cascade County7
- Valley County6
- Carter County6
- Phillips County5
- Fergus County5
- Garfield County4
- McCone County4
- Petroleum County4
- Sweet Grass County4
- Yellowstone County4
- Fallon County3
- Ravalli County3
- Silver Bow County3
- Musselshell County3
- Missoula County3
- Powell County3
- Blaine County3
- Carbon County3
- Park County3
- Stillwater County3
- Beaverhead County3
- Madison County3
- Flathead County3
- Lake County3
- Chouteau County2
- Big Horn County2
- Powder River County2
- Rosebud County2
- Treasure County2
- Granite County2
- Meagher County1
- Judith Basin County1
- Liberty County1
- Jefferson County1
- Glacier County1
- Pondera County1
- Toole County1
- Custer County1
- Golden Valley County1
- Hill County1
2 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.