Alert archive / Montana / 2012
Weather alerts in Montana, April 2012
94 weather alerts in April 2012, 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 2012. Tap one for its archive.
- Alerts
- 94
- Warnings
- 30
- Watches
- 15
- Advisories
- 34
- Busiest day
- April 26, 201211 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 1, 3:42 AM MDT | High Wind Watch | TFX | 10 hr | |
| Apr 2, 3:37 AM MDT | Red Flag Warning | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 14 hr |
| Apr 3, 2:52 AM MDT | Fire Weather Watch | BYZ | Carbon, Carter, Fallon, Gallatin, Golden Valley, Madison and 6 more | 12 hr |
| Apr 3, 3:39 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 41 hr |
| Apr 3, 3:55 AM MDT | Fire Weather Watch | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 11 hr |
| Apr 3, 4:25 AM MDT | Winter Weather Advisory | MSO | Mineral, Missoula, Sanders | 39 hr |
| Apr 3, 12:15 PM MDT | Wind Advisory | MSO | Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow | 22 hr |
| Apr 3, 2:26 PM MDT | Red Flag Warning | BYZ | Carbon, Carter, Fallon, Gallatin, Golden Valley, Madison and 6 more | 30 hr |
| Apr 3, 2:51 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 30 hr |
| Apr 4, 4:04 AM MDT | Winter Storm Watch | BYZ | Carbon, Golden Valley, Musselshell, Park, Stillwater, Sweet Grass and 1 more | 24 hr |
| Apr 4, 4:16 AM MDT | Winter Storm Watch | TFX | 24 hr | |
| Apr 4, 4:43 AM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 15 hr |
| Apr 4, 9:22 AM MDT | Wind Advisory | MSO | Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow | 11 hr |
| Apr 4, 2:30 PM MDT | Winter Storm Watch | MSO | Deer Lodge, Granite, Powell, Silver Bow | 14 hr |
| Apr 4, 3:48 PM MDT | High Wind Warning | TFX | 5 hr | |
| Apr 5, 4:00 AM MDT | Blizzard Watch | TFX | 10 hr | |
| Apr 5, 4:00 AM MDT | Winter Storm Warning | TFX | 47 hr | |
| Apr 5, 4:00 AM MDT | Winter Weather Advisory | TFX | 35 hr | |
| Apr 5, 4:02 AM MDT | Winter Storm Warning | BYZ | Carbon, Golden Valley, Musselshell, Park, Stillwater, Sweet Grass and 1 more | 47 hr |
| Apr 5, 4:07 AM MDT | Winter Storm Warning | MSO | Deer Lodge, Granite, Powell, Silver Bow | 46 hr |
| Apr 5, 4:07 AM MDT | Winter Weather Advisory | MSO | Flathead, Granite, Lake, Missoula, Powell, Ravalli | 46 hr |
| Apr 5, 4:18 AM MDT | Blizzard Watch | GGW | Daniels, Garfield, Petroleum, Phillips, Roosevelt, Sheridan and 1 more | 36 hr |
| Apr 5, 1:50 PM MDT | Blizzard Warning | TFX | 31 hr | |
| Apr 6, 3:45 AM MDT | Blizzard Warning | GGW | Garfield, Petroleum, Phillips, Valley | 17 hr |
| Apr 6, 3:20 PM MDT | Winter Weather Advisory | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 17 hr |
| Apr 6, 8:38 PM MDT | Winter Weather Advisory | TFX | 6 hr | |
| Apr 7, 10:16 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 10 hr |
| Apr 8, 3:13 AM MDT | Red Flag Warning | GGW | Dawson, McCone, Prairie, Richland, Wibaux | 16 hr |
| Apr 8, 3:19 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 17 hr |
| Apr 8, 3:24 AM MDT | Red Flag Warning | BYZ | Carter, Fallon | 15 hr |
| Apr 10, 2:42 PM MDT | Fire Weather Watch | GGW | Phillips, Valley | 13 hr |
| Apr 10, 2:51 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 54 hr |
| Apr 11, 3:44 AM MDT | Red Flag Warning | GGW | Daniels, Dawson, McCone, Phillips, Prairie, Richland and 4 more | 17 hr |
| Apr 11, 9:59 AM MDT | High Wind Warning | BYZ | Carter, Fallon | 11 hr |
| Apr 12, 12:04 PM MDT | Areal Flood Advisory | TFX | Cascade, Chouteau, Fergus, Hill, Judith Basin, Liberty and 3 more | 6 hr |
| Apr 12, 1:27 PM MDT | Special Weather Statement | TFX | Blaine, Fergus | 63 min |
| Apr 14, 3:01 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 30 hr |
| Apr 14, 3:35 PM MDT | Winter Weather Advisory | BYZ | Carbon, Stillwater, Sweet Grass | 35 hr |
| Apr 17, 9:50 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 11 hr |
| Apr 17, 2:44 PM MDT | Winter Weather Advisory | TFX | 19 hr | |
| Apr 18, 3:34 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 13 hr |
| Apr 19, 1:53 PM MDT | High Wind Watch | TFX | 14 hr | |
| Apr 20, 3:03 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 18 hr |
| Apr 20, 4:19 AM MDT | High Wind Warning | TFX | 17 hr | |
| Apr 20, 5:23 AM MDT | Dense Fog Advisory | GGW | Dawson, McCone, Prairie, Richland, Roosevelt, Sheridan and 1 more | 5 hr |
| Apr 20, 8:59 AM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 9 hr |
| Apr 23, 1:21 PM MDT | Special Weather Statement | MSO | Silver Bow | 24 min |
| Apr 23, 2:41 PM MDT | Flood Watch | MSO | Lincoln, Mineral, Missoula, Ravalli, Sanders | 5 days |
| Apr 23, 2:56 PM MDT | Fire Weather Watch | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 13 hr |
| Apr 23, 3:21 PM MDT | Fire Weather Watch | BYZ | Big Horn, Carter, Custer, Fallon, Powder River, Rosebud and 1 more | 12 hr |
| Apr 23, 3:29 PM MDT | Special Weather Statement | TFX | Meagher | 61 min |
| Apr 23, 4:47 PM MDT | Special Weather Statement | TFX | Judith Basin | 58 min |
| Apr 23, 5:00 PM MDT | Special Weather Statement | BYZ | Park | 60 min |
| Apr 23, 6:03 PM MDT | Special Weather Statement | BYZ | Stillwater | 57 min |
| Apr 23, 6:16 PM MDT | Special Weather Statement | BYZ | Yellowstone | 59 min |
| Apr 24, 2:44 AM MDT | Areal Flood Warning | MSO | Lincoln | 4 days |
| Apr 24, 6:07 AM MDT | Areal Flood Warning | MSO | Lincoln | 4 days |
| Apr 24, 12:04 PM MDT | Areal Flood Warning | MSO | Mineral, Missoula, Ravalli | 24 hr |
| Apr 24, 12:05 PM MDT | Areal Flood Warning | MSO | Mineral, Missoula, Ravalli | 102 min |
| Apr 24, 1:58 PM MDT | Areal Flood Warning | MSO | Sanders | 23 hr |
| Apr 24, 2:05 PM MDT | Areal Flood Advisory | MSO | Missoula, Ravalli | 4 days |
| Apr 24, 4:17 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 4 hr |
| Apr 24, 4:48 PM MDT | Special Weather Statement | MSO | Lincoln | 42 min |
| Apr 24, 6:48 PM MDT | Special Weather Statement | OTX | Mineral | 27 min |
| Apr 25, 4:04 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 53 hr |
| Apr 25, 1:03 PM MDT | Areal Flood Warning | MSO | Sanders | 45 hr |
| Apr 25, 1:21 PM MDT | Areal Flood Warning | MSO | Sanders | 39 min |
| Apr 26, 4:11 AM MDT | Winter Storm Watch | TFX | 25 hr | |
| Apr 26, 8:12 AM MDT | Wind Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 3 more | 10 hr |
| Apr 26, 9:56 AM MDT | Winter Weather Advisory | MSO | Flathead, Lake | 32 hr |
| Apr 26, 11:11 AM MDT | Areal Flood Warning | MSO | Ravalli | 48 hr |
| Apr 26, 11:17 AM MDT | Areal Flood Warning | MSO | Ravalli | 47 hr |
| Apr 26, 11:23 AM MDT | Areal Flood Warning | MSO | Missoula | 55 hr |
| Apr 26, 1:44 PM MDT | Areal Flood Advisory | TFX | Glacier | 45 hr |
| Apr 26, 2:11 PM MDT | Special Weather Statement | MSO | Ravalli | 64 min |
| Apr 26, 3:00 PM MDT | Special Weather Statement | MSO | Ravalli | 60 min |
| Apr 26, 4:02 PM MDT | Special Weather Statement | TFX | Pondera | 43 min |
| Apr 26, 4:15 PM MDT | Special Weather Statement | MSO | Lake, Powell | 45 min |
| Apr 26, 6:29 PM MDT | High Wind Warning | BYZ | Carter, Fallon | 9 hr |
| Apr 26, 6:29 PM MDT | Special Weather Statement | TFX | Cascade, Teton | 46 min |
| Apr 26, 6:57 PM MDT | High Wind Warning | GGW | Dawson, Prairie, Wibaux | 5 hr |
| Apr 26, 7:06 PM MDT | Special Weather Statement | TFX | Pondera | 39 min |
| Apr 26, 8:55 PM MDT | Winter Storm Warning | TFX | 62 hr | |
| Apr 27, 4:49 AM MDT | Winter Weather Advisory | TFX | 34 hr | |
| Apr 27, 12:58 PM MDT | Areal Flood Advisory | TFX | Blaine, Chouteau, Hill | 47 hr |
| Apr 27, 1:09 PM MDT | Areal Flood Advisory | TFX | Cascade, Fergus, Judith Basin | 47 hr |
| Apr 27, 1:54 PM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 38 hr |
| Apr 27, 5:48 PM MDT | High Wind Warning | TFX | 12 hr | |
| Apr 27, 8:50 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 23 hr |
| Apr 28, 3:58 AM MDT | Winter Weather Advisory | BYZ | Carter, Powder River, Rosebud | 24 hr |
| Apr 28, 10:23 AM MDT | Winter Storm Warning | GGW | Phillips | 23 hr |
| Apr 28, 6:01 PM MDT | Winter Weather Advisory | TFX | 17 hr | |
| Apr 30, 4:27 AM MDT | High Wind Watch | TFX | 11 hr | |
| Apr 30, 2:33 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 30 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 | |
| Special Weather Statement | 15 |
| Flooding | |
| Areal Flood Warning | 10 |
| Flood Watch | 1 |
| Areal Flood Advisory | 5 |
| Winter | |
| Blizzard Warning | 2 |
| Winter Storm Warning | 6 |
| Blizzard Watch | 2 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 11 |
| Wind and dust | |
| High Wind Warning | 6 |
| High Wind Watch | 3 |
| Lake Wind Advisory | 14 |
| Wind Advisory | 3 |
| Fire | |
| Red Flag Warning | 6 |
| Fire Weather Watch | 5 |
| 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.
- Phillips County22
- Valley County21
- McCone County20
- Garfield County19
- Petroleum County19
- Ravalli County12
- Missoula County10
- Dawson County8
- Prairie County8
- Wibaux County8
- Sanders County8
- Carter County7
- Stillwater County7
- Richland County7
- Roosevelt County7
- Sheridan County7
- Powell County7
- Carbon County6
- Fallon County6
- Park County6
- Sweet Grass County6
- Daniels County6
- Granite County6
- Silver Bow County6
- Lake County6
- Wheatland County5
- Mineral County5
- Deer Lodge County5
- Flathead County5
- Golden Valley County4
- Musselshell County4
- Lincoln County4
- Yellowstone County3
- Cascade County3
- Fergus County3
- Judith Basin County3
- Pondera County3
- Gallatin County2
- Madison County2
- Chouteau County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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. Rebuilt daily.