Alert archive / Montana / 2017
Weather alerts in Montana, April 2017
108 weather alerts in April 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 April 2017. Tap one for its archive.
- Alerts
- 108
- Warnings
- 6
- Watches
- 4
- Advisories
- 22
- Busiest day
- April 25, 201713 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 |
|---|---|---|---|---|
| Apr 2, 3:28 AM MDT | Winter Weather Advisory | TFX | 51 hr | |
| Apr 2, 3:48 AM MDT | Winter Weather Advisory | MSO | Flathead, Lake, Mineral, Missoula, Sanders | 38 hr |
| Apr 2, 5:43 PM MDT | Special Weather Statement | BYZ | Stillwater | 47 min |
| Apr 2, 6:37 PM MDT | Special Weather Statement | BYZ | Carbon, Yellowstone | 38 min |
| Apr 3, 2:36 AM MDT | Winter Weather Advisory | GGW | Phillips | 30 hr |
| Apr 3, 9:54 AM MDT | Special Weather Statement | MSO | Missoula | 66 min |
| Apr 3, 11:14 AM MDT | Special Weather Statement | MSO | Missoula | 46 min |
| Apr 3, 11:53 AM MDT | Winter Weather Advisory | BYZ | Carbon, Stillwater, Sweet Grass | 18 hr |
| Apr 3, 12:03 PM MDT | Special Weather Statement | MSO | Missoula | 42 min |
| Apr 3, 12:34 PM MDT | Special Weather Statement | MSO | Granite | 41 min |
| Apr 3, 5:24 PM MDT | Special Weather Statement | MSO | Granite | 36 min |
| Apr 3, 5:36 PM MDT | Special Weather Statement | MSO | Missoula | 39 min |
| Apr 3, 6:19 PM MDT | Special Weather Statement | MSO | Deer Lodge | 41 min |
| Apr 3, 6:40 PM MDT | Special Weather Statement | MSO | Deer Lodge, Granite, Silver Bow | 95 min |
| Apr 4, 2:36 AM MDT | Special Weather Statement | BYZ | Golden Valley, Musselshell, Wheatland | 84 min |
| Apr 4, 3:40 AM MDT | Special Weather Statement | BYZ | Treasure, Yellowstone | 80 min |
| Apr 4, 5:37 AM MDT | Special Weather Statement | BYZ | Big Horn, Golden Valley, Musselshell, Stillwater, Sweet Grass, Treasure and 2 more | 53 min |
| Apr 4, 6:34 AM MDT | Special Weather Statement | BYZ | Big Horn, Carbon, Golden Valley, Musselshell, Stillwater, Treasure and 1 more | 71 min |
| Apr 7, 3:50 AM MDT | Wind Advisory | BYZ | Park, Stillwater, Sweet Grass | 17 hr |
| Apr 7, 10:03 AM MDT | Special Weather Statement | MSO | Sanders | 42 min |
| Apr 7, 10:32 AM MDT | Special Weather Statement | MSO | Mineral | 43 min |
| Apr 7, 10:40 AM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 5 hr |
| Apr 7, 10:52 AM MDT | Special Weather Statement | MSO | Sanders | 53 min |
| Apr 7, 12:12 PM MDT | Special Weather Statement | MSO | Lake | 63 min |
| Apr 7, 1:00 PM MDT | Mesoscale Discussion | SPC | Mineral, Sanders | 3 hr |
| Apr 7, 1:12 PM MDT | Special Weather Statement | MSO | Mineral, Sanders | 63 min |
| Apr 7, 1:39 PM MDT | Special Weather Statement | MSO | Mineral | 66 min |
| Apr 7, 2:52 PM MDT | Winter Storm Watch | TFX | 20 hr | |
| Apr 7, 4:41 PM MDT | Special Weather Statement | MSO | Lake | 49 min |
| Apr 7, 5:21 PM MDT | Special Weather Statement | MSO | Missoula | 24 min |
| Apr 7, 9:35 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 2 more | 38 hr |
| Apr 8, 11:13 AM MDT | Winter Storm Warning | TFX | 37 hr | |
| Apr 8, 11:13 AM MDT | Winter Weather Advisory | TFX | 25 hr | |
| Apr 8, 3:07 PM MDT | Winter Storm Warning | BYZ | 35 hr | |
| Apr 8, 3:07 PM MDT | Winter Weather Advisory | BYZ | Big Horn, Carter, Golden Valley, Musselshell, Powder River, Rosebud and 2 more | 42 hr |
| Apr 8, 4:55 PM MDT | Special Weather Statement | BYZ | Stillwater | 50 min |
| Apr 9, 7:33 PM MDT | Special Weather Statement | TFX | Cascade, Chouteau, Fergus, Judith Basin, Lewis and Clark, Meagher and 1 more | 3 hr |
| Apr 12, 2:56 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 54 hr |
| Apr 13, 2:43 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow | 33 hr |
| Apr 13, 5:41 PM MDT | Special Weather Statement | TFX | Blaine, Chouteau, Fergus, Hill, Judith Basin | 64 min |
| Apr 13, 7:38 PM MDT | Special Weather Statement | TFX | Blaine, Fergus, Hill | 52 min |
| Apr 14, 5:56 AM MDT | Special Weather Statement | TFX | Jefferson | 79 min |
| Apr 14, 2:20 PM MDT | Winter Weather Advisory | TFX | 10 hr | |
| Apr 15, 3:03 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 18 hr |
| Apr 17, 1:49 PM MDT | Special Weather Statement | TFX | Broadwater, Gallatin, Meagher | 86 min |
| Apr 17, 4:09 PM MDT | Special Weather Statement | BYZ | Big Horn, Carbon, Musselshell, Stillwater, Treasure, Yellowstone | 81 min |
| Apr 17, 5:24 PM MDT | Special Weather Statement | BYZ | Powder River | 96 min |
| Apr 17, 7:11 PM MDT | Special Weather Statement | BYZ | Carter | 64 min |
| Apr 18, 3:53 PM MDT | Special Weather Statement | MSO | Flathead | 22 min |
| Apr 18, 4:23 PM MDT | Special Weather Statement | TFX | Broadwater, Gallatin, Madison | 67 min |
| Apr 18, 5:57 PM MDT | Special Weather Statement | TFX | Glacier, Lewis and Clark, Teton | 63 min |
| Apr 18, 7:13 PM MDT | Special Weather Statement | TFX | Jefferson | 62 min |
| Apr 18, 7:54 PM MDT | Special Weather Statement | TFX | Jefferson | 36 min |
| Apr 18, 7:57 PM MDT | Special Weather Statement | BYZ | Stillwater | 63 min |
| Apr 18, 8:13 PM MDT | Special Weather Statement | TFX | Cascade, Jefferson | 62 min |
| Apr 20, 3:10 AM MDT | Winter Weather Advisory | TFX | 33 hr | |
| Apr 20, 3:13 AM MDT | Dense Fog Advisory | GGW | Daniels, Roosevelt, Sheridan | 7 hr |
| Apr 22, 2:52 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 31 hr |
| Apr 23, 9:34 AM MDT | Winter Weather Advisory | GGW | Daniels, Richland, Roosevelt, Sheridan, Valley | 21 hr |
| Apr 23, 2:25 PM MDT | Special Weather Statement | TFX | Petroleum | 35 min |
| Apr 23, 2:46 PM MDT | Winter Storm Watch | BYZ | Carbon, Park, Stillwater, Sweet Grass | 13 hr |
| Apr 23, 3:05 PM MDT | Special Weather Statement | GGW | Petroleum | 40 min |
| Apr 23, 4:06 PM MDT | Special Weather Statement | GGW | Petroleum | 39 min |
| Apr 23, 4:41 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 24 min |
| Apr 23, 5:03 PM MDT | Special Weather Statement | BYZ | 42 min | |
| Apr 23, 5:18 PM MDT | Special Weather Statement | GGW | 42 min | |
| Apr 23, 5:57 PM MDT | Special Weather Statement | BYZ | Yellowstone | 63 min |
| Apr 23, 6:49 PM MDT | Special Weather Statement | BYZ | Yellowstone | 56 min |
| Apr 23, 6:56 PM MDT | Special Weather Statement | BYZ | Treasure | 49 min |
| Apr 23, 7:46 PM MDT | Special Weather Statement | BYZ | Treasure | 59 min |
| Apr 23, 8:00 PM MDT | Special Weather Statement | TFX | Teton | 30 min |
| Apr 23, 8:13 PM MDT | Special Weather Statement | BYZ | Powder River | 62 min |
| Apr 23, 8:25 PM MDT | Special Weather Statement | TFX | Teton | 20 min |
| Apr 23, 10:41 PM MDT | Special Weather Statement | TFX | Cascade | 34 min |
| Apr 24, 3:52 AM MDT | Winter Weather Advisory | TFX | 32 hr | |
| Apr 24, 4:15 AM MDT | Winter Storm Watch | BYZ | Carter, Powder River, Rosebud | 9 hr |
| Apr 24, 4:15 AM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 34 hr |
| Apr 24, 4:15 AM MDT | Winter Weather Advisory | BYZ | Carter, Powder River, Rosebud | 34 hr |
| Apr 24, 7:22 PM MDT | Special Weather Statement | TFX | Teton | 38 min |
| Apr 24, 7:38 PM MDT | Special Weather Statement | TFX | Chouteau | 22 min |
| Apr 25, 12:17 PM MDT | Special Weather Statement | MSO | Lake | 43 min |
| Apr 25, 1:20 PM MDT | Special Weather Statement | TFX | Cascade | 40 min |
| Apr 25, 2:21 PM MDT | Special Weather Statement | TFX | Cascade | 24 min |
| Apr 25, 2:44 PM MDT | Special Weather Statement | TFX | Pondera | 31 min |
| Apr 25, 2:55 PM MDT | Special Weather Statement | TFX | Cascade | 65 min |
| Apr 25, 3:17 PM MDT | Special Weather Statement | TFX | Pondera | 58 min |
| Apr 25, 3:24 PM MDT | Special Weather Statement | MSO | Lake | 36 min |
| Apr 25, 3:53 PM MDT | Special Weather Statement | TFX | Teton | 37 min |
| Apr 25, 4:42 PM MDT | Special Weather Statement | TFX | Teton | 48 min |
| Apr 25, 5:25 PM MDT | Special Weather Statement | TFX | 50 min | |
| Apr 25, 5:34 PM MDT | Special Weather Statement | TFX | Cascade | 41 min |
| Apr 25, 6:22 PM MDT | Special Weather Statement | TFX | Cascade | 53 min |
| Apr 25, 6:29 PM MDT | Special Weather Statement | TFX | Gallatin | 46 min |
| Apr 25, 6:56 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 19 min |
| Apr 26, 4:04 AM MDT | Winter Storm Watch | BYZ | 24 hr | |
| Apr 26, 11:07 AM MDT | Winter Weather Advisory | MSO | Flathead, Lake | 21 hr |
| Apr 26, 2:10 PM MDT | Winter Weather Advisory | TFX | 22 hr | |
| Apr 26, 2:46 PM MDT | Special Weather Statement | BYZ | Stillwater | 44 min |
| Apr 26, 4:36 PM MDT | Special Weather Statement | BYZ | Carbon | 24 min |
| Apr 26, 5:00 PM MDT | Special Weather Statement | BYZ | Carbon | 30 min |
| Apr 26, 5:35 PM MDT | Special Weather Statement | BYZ | Carbon | 25 min |
| Apr 26, 5:43 PM MDT | Special Weather Statement | BYZ | Stillwater | 32 min |
| Apr 26, 6:46 PM MDT | Special Weather Statement | RIW | Carbon | 44 min |
| Apr 27, 4:21 AM MDT | Winter Storm Warning | BYZ | 35 hr | |
| Apr 28, 2:33 AM MDT | Winter Weather Advisory | BYZ | Carbon, Stillwater, Sweet Grass | 17 hr |
| Apr 29, 8:59 AM MDT | Special Weather Statement | BYZ | Stillwater, Sweet Grass | 91 min |
| Apr 29, 5:15 PM MDT | Special Weather Statement | GGW | Phillips | 60 min |
| Apr 29, 5:25 PM MDT | Special Weather Statement | GGW | Valley | 35 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 | 2 |
| Mesoscale Discussion | 1 |
| Special Weather Statement | 75 |
| Winter | |
| Winter Storm Warning | 4 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 16 |
| Wind and dust | |
| Lake Wind Advisory | 4 |
| Wind Advisory | 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.
- Stillwater County15
- Carbon County11
- Cascade County9
- Lake County8
- Missoula County8
- Yellowstone County7
- Sweet Grass County7
- Teton County7
- Petroleum County7
- Sanders County6
- Treasure County6
- Flathead County5
- Mineral County5
- Phillips County5
- Granite County5
- Musselshell County5
- Powder River County5
- Valley County5
- Deer Lodge County4
- Golden Valley County4
- Big Horn County4
- Carter County4
- Garfield County4
- Jefferson County4
- Silver Bow County3
- Wheatland County3
- Park County3
- Rosebud County3
- Chouteau County3
- Fergus County3
- McCone County3
- Gallatin County3
- Powell County2
- Ravalli County2
- Judith Basin County2
- Lewis and Clark County2
- Meagher County2
- Blaine County2
- Hill County2
- Broadwater County2
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.