Alert archive / Montana / 2017
Weather alerts in Montana, September 2017
67 weather alerts in September 2017, 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 2017. Tap one for its archive.
- Alerts
- 67
- Warnings
- 24
- Watches
- 13
- Advisories
- 17
- Busiest day
- September 1, 201710 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 |
|---|---|---|---|---|
| Aug 31, 6:26 PM MDT | Special Weather Statement | GGW | Sheridan | 49 min |
| Aug 31, 6:30 PM MDT | Special Weather Statement | TFX | Blaine, Chouteau, Hill | 45 min |
| Aug 31, 7:01 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt, Sheridan | 59 min |
| Aug 31, 7:45 PM MDT | Special Weather Statement | TFX | Cascade, Lewis and Clark | 90 min |
| Aug 31, 8:00 PM MDT | Special Weather Statement | GGW | Richland | 60 min |
| Sep 1, 2:29 AM MDT | Red Flag Warning | BYZ | Big Horn, Carter, Custer, Fallon, Powder River, Rosebud and 1 more | 18 hr |
| Sep 1, 2:29 PM MDT | Fire Weather Watch | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Gallatin and 11 more | 24 hr |
| Sep 1, 2:34 PM MDT | Fire Weather Watch | MSO | Flathead, Glacier, Granite, Lake, Lewis and Clark, Lincoln and 5 more | 23 hr |
| Sep 1, 2:49 PM MDT | Fire Weather Watch | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 24 hr |
| Sep 1, 3:09 PM MDT | Fire Weather Watch | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 24 hr |
| Sep 2, 3:52 AM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 65 hr |
| Sep 2, 1:45 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Flathead, Glacier, Granite, Jefferson and 9 more | 45 hr |
| Sep 2, 2:50 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Gallatin and 11 more | 54 hr |
| Sep 2, 2:52 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 54 hr |
| Sep 2, 3:02 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 30 hr |
| Sep 4, 2:53 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 18 hr |
| Sep 4, 4:54 AM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 5 hr |
| Sep 7, 1:48 PM MDT | Fire Weather Watch | MSO | Beaverhead, Deer Lodge, Flathead, Glacier, Granite, Jefferson and 10 more | 22 hr |
| Sep 7, 2:09 PM MDT | Fire Weather Watch | TFX | Broadwater, Cascade, Fergus, Gallatin, Glacier, Jefferson and 8 more | 24 hr |
| Sep 7, 2:09 PM MDT | Red Flag Warning | TFX | Blaine, Chouteau, Fergus, Hill, Phillips | 30 hr |
| Sep 7, 2:15 PM MDT | Red Flag Warning | BYZ | Big Horn, Carter, Custer, Fallon, Golden Valley, Musselshell and 3 more | 30 hr |
| Sep 7, 2:24 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 29 hr |
| Sep 8, 4:12 AM MDT | Fire Weather Watch | BYZ | Gallatin, Madison, Park, Sweet Grass, Wheatland | 11 hr |
| Sep 8, 11:57 AM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Flathead, Glacier, Granite, Jefferson and 10 more | 33 hr |
| Sep 8, 2:03 PM MDT | Fire Weather Watch | TFX | Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 8 more | 19 hr |
| Sep 8, 2:03 PM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 40 hr |
| Sep 8, 3:03 PM MDT | Red Flag Warning | BYZ | Gallatin, Madison, Park, Sweet Grass, Wheatland | 29 hr |
| Sep 8, 6:06 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 114 min |
| Sep 8, 7:24 PM MDT | Special Weather Statement | MSO | Deer Lodge | 36 min |
| Sep 9, 9:25 AM MDT | Red Flag Warning | TFX | Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 8 more | 62 hr |
| Sep 9, 2:39 PM MDT | Special Weather Statement | BYZ | Park, Stillwater, Sweet Grass | 81 min |
| Sep 9, 4:11 PM MDT | Special Weather Statement | TFX | Cascade, Lewis and Clark, Teton | 49 min |
| Sep 11, 2:53 AM MDT | Red Flag Warning | MSO | Flathead, Glacier, Lake, Lincoln, Missoula, Powell and 1 more | 21 hr |
| Sep 11, 2:24 PM MDT | Red Flag Warning | MSO | Flathead, Glacier, Lake, Lincoln, Missoula, Powell and 1 more | 32 hr |
| Sep 11, 3:26 PM MDT | Red Flag Warning | TFX | Glacier, Jefferson, Lewis and Clark, Liberty, Pondera, Powell and 2 more | 31 hr |
| Sep 12, 2:02 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Lewis and Clark, Madison and 4 more | 29 hr |
| Sep 12, 2:03 PM MDT | Winter Storm Watch | MSO | Deer Lodge, Granite, Lake, Missoula, Powell, Ravalli and 1 more | 43 hr |
| Sep 12, 3:49 PM MDT | Dense Smoke Advisory | GGW | Daniels, Dawson, Garfield, McCone, Prairie, Richland and 4 more | 12 hr |
| Sep 13, 3:45 AM MDT | Winter Weather Advisory | TFX | 3 days | |
| Sep 13, 3:25 PM MDT | Winter Storm Watch | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 13 hr |
| Sep 13, 6:19 PM MDT | Special Weather Statement | BYZ | Yellowstone | 26 min |
| Sep 14, 4:04 AM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 58 hr |
| Sep 14, 9:29 AM MDT | Winter Storm Warning | MSO | Deer Lodge, Granite, Lake, Missoula, Powell, Ravalli and 1 more | 45 hr |
| Sep 14, 11:49 AM MDT | Winter Storm Warning | TFX | 45 hr | |
| Sep 15, 2:44 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 17 hr |
| Sep 15, 10:49 AM MDT | Freeze Warning | MSO | Flathead, Lincoln, Sanders | 23 hr |
| Sep 15, 12:00 PM MDT | Special Weather Statement | TFX | Beaverhead | 90 min |
| Sep 16, 2:41 PM MDT | Freeze Warning | MSO | Flathead, Lake, Sanders | 18 hr |
| Sep 16, 9:57 PM MDT | Dense Fog Advisory | GGW | Daniels, Dawson, Phillips, Richland, Roosevelt, Sheridan and 1 more | 11 hr |
| Sep 19, 2:37 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 7 hr |
| Sep 19, 8:18 PM MDT | Wind Advisory | BYZ | Park, Stillwater, Sweet Grass | 23 hr |
| Sep 19, 10:55 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow | 13 hr |
| Sep 20, 2:59 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 16 hr |
| Sep 20, 3:51 AM MDT | Winter Storm Watch | BYZ | Carbon, Park, Stillwater, Sweet Grass | 11 hr |
| Sep 20, 2:51 PM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 63 hr |
| Sep 21, 3:14 AM MDT | Winter Weather Advisory | TFX | 45 hr | |
| Sep 21, 3:33 AM MDT | Winter Weather Advisory | MSO | Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow | 44 hr |
| Sep 21, 2:59 PM MDT | Winter Weather Advisory | BYZ | Carbon, Golden Valley, Park, Stillwater, Sweet Grass | 20 hr |
| Sep 22, 5:16 AM MDT | Special Weather Statement | BYZ | Stillwater | 89 min |
| Sep 23, 1:29 PM MDT | Freeze Warning | MSO | Mineral, Missoula, Ravalli, Sanders | 20 hr |
| Sep 26, 3:36 AM MDT | Special Weather Statement | BYZ | Rosebud | 3 hr |
| Sep 26, 7:34 AM MDT | Special Weather Statement | BYZ | Custer, Fallon, Rosebud, Treasure | 3 hr |
| Sep 28, 2:15 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 31 hr |
| Sep 30, 4:17 AM MDT | Winter Storm Watch | TFX | 35 hr | |
| Sep 30, 2:07 PM MDT | Winter Storm Watch | MSO | Flathead, Lake | 24 hr |
| Sep 30, 2:07 PM MDT | Winter Weather Advisory | MSO | Granite, Missoula, Ravalli | 29 hr |
| Sep 30, 3:13 PM MDT | Winter Weather Advisory | BYZ | Carbon, Park, Stillwater, Sweet Grass | 36 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 | 1 |
| Special Weather Statement | 13 |
| Winter | |
| Winter Storm Warning | 4 |
| Winter Storm Watch | 5 |
| Winter Weather Advisory | 7 |
| Cold | |
| Freeze Warning | 3 |
| Wind and dust | |
| Lake Wind Advisory | 7 |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 16 |
| Fire Weather Watch | 8 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Dense Smoke Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Powell County16
- Phillips County16
- Lewis and Clark County14
- Sweet Grass County13
- Glacier County13
- Missoula County13
- Park County12
- Stillwater County11
- Lake County11
- Ravalli County11
- Valley County11
- Flathead County10
- Granite County10
- Sanders County10
- Garfield County10
- McCone County10
- Jefferson County9
- Petroleum County9
- Deer Lodge County9
- Cascade County8
- Carbon County8
- Gallatin County8
- Teton County8
- Silver Bow County8
- Sheridan County7
- Blaine County7
- Chouteau County7
- Hill County7
- Richland County7
- Madison County7
- Wheatland County7
- Lincoln County7
- Fergus County7
- Liberty County7
- Pondera County7
- Toole County7
- Roosevelt County6
- Rosebud County6
- Judith Basin County6
- Meagher County6
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.