Alert archive / Montana / 2011
Weather alerts in Montana, March 2011
105 weather alerts in March 2011, 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 March 2011. Tap one for its archive.
- Alerts
- 105
- Warnings
- 40
- Watches
- 9
- Advisories
- 56
- Busiest day
- March 15, 201111 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 |
|---|---|---|---|---|
| Mar 1, 11:00 AM MST | Wind Chill Advisory | GGW | Daniels, Dawson, Garfield, McCone, Phillips, Prairie and 5 more | 27 hr |
| Mar 1, 4:29 PM MST | Wind Chill Advisory | TFX | 16 hr | |
| Mar 2, 12:27 AM MST | Wind Chill Advisory | BYZ | Carter, Custer, Fallon, Powder River | 11 hr |
| Mar 3, 3:08 PM MST | Winter Weather Advisory | BYZ | Carbon, Stillwater, Sweet Grass | 12 hr |
| Mar 4, 7:14 AM MST | Winter Weather Advisory | MSO | Granite, Lake, Missoula, Powell, Ravalli | 3 hr |
| Mar 4, 3:58 PM MST | Wind Chill Advisory | GGW | Valley | 18 hr |
| Mar 5, 9:05 AM MST | Winter Weather Advisory | MSO | Deer Lodge, Granite, Lake, Missoula, Powell, Silver Bow | 3 hr |
| Mar 5, 2:24 PM MST | Winter Weather Advisory | GGW | Daniels, Dawson, McCone, Phillips, Richland, Roosevelt and 3 more | 13 hr |
| Mar 5, 3:08 PM MST | Winter Weather Advisory | BYZ | Carbon, Stillwater, Sweet Grass | 32 hr |
| Mar 6, 2:58 AM MST | Wind Chill Advisory | MSO | Flathead, Lake | 8 hr |
| Mar 6, 2:27 PM MST | Wind Chill Advisory | GGW | Phillips, Valley | 21 hr |
| Mar 8, 3:14 AM MST | High Wind Watch | TFX | 24 hr | |
| Mar 9, 3:34 AM MST | High Wind Warning | TFX | 48 hr | |
| Mar 9, 4:57 AM MST | Dense Fog Advisory | MSO | Mineral, Missoula, Ravalli, Sanders | 6 hr |
| Mar 9, 2:25 PM MST | Wind Advisory | BYZ | Park, Stillwater, Sweet Grass | 31 hr |
| Mar 10, 9:56 AM MST | Winter Weather Advisory | MSO | Flathead, Granite, Lake, Mineral, Missoula, Ravalli and 1 more | 23 hr |
| Mar 10, 2:43 PM MST | Winter Weather Advisory | TFX | 15 hr | |
| Mar 10, 9:58 PM MST | Areal Flood Warning | TFX | Pondera, Teton | 11 days |
| Mar 11, 9:31 AM MST | Winter Weather Advisory | GGW | Richland, Roosevelt, Sheridan, Wibaux | 10 hr |
| Mar 11, 2:50 PM MST | High Wind Warning | GGW | Sheridan | 3 hr |
| Mar 11, 7:11 PM MST | Areal Flood Advisory | GGW | Garfield, Petroleum | 19 hr |
| Mar 12, 1:58 PM MST | Areal Flood Advisory | TFX | Chouteau, Fergus, Judith Basin | 47 hr |
| Mar 12, 2:37 PM MST | Areal Flood Warning | GGW | Garfield, Petroleum | 8 days |
| Mar 12, 2:48 PM MST | High Wind Watch | TFX | 13 hr | |
| Mar 12, 5:24 PM MST | Areal Flood Warning | BYZ | Custer | 47 hr |
| Mar 13, 4:23 AM MDT | High Wind Warning | TFX | 44 hr | |
| Mar 13, 9:21 AM MDT | Areal Flood Warning | BYZ | Custer | 8 days |
| Mar 14, 2:19 AM MDT | Wind Advisory | BYZ | Park, Stillwater, Sweet Grass | 10 hr |
| Mar 14, 3:06 AM MDT | Winter Storm Warning | MSO | Granite, Missoula, Ravalli | 5 hr |
| Mar 14, 3:06 AM MDT | Winter Weather Advisory | MSO | Mineral, Missoula, Sanders | 5 hr |
| Mar 14, 4:34 AM MDT | Flood Watch | GGW | Dawson, Prairie, Richland, Wibaux | 3 days |
| Mar 14, 6:54 AM MDT | River Flood Warning | GGW | Dawson | 53 hr |
| Mar 14, 7:23 AM MDT | Areal Flood Warning | TFX | Cascade | 29 hr |
| Mar 14, 2:04 PM MDT | Areal Flood Warning | TFX | Chouteau | 7 days |
| Mar 14, 2:37 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more | 42 hr |
| Mar 14, 8:13 PM MDT | Areal Flood Advisory | MSO | Missoula | 13 hr |
| Mar 15, 2:36 AM MDT | River Flood Warning | GGW | Dawson | 68 hr |
| Mar 15, 4:06 AM MDT | High Wind Watch | TFX | 24 hr | |
| Mar 15, 7:30 AM MDT | Flash Flood Warning | GGW | Petroleum | 6 hr |
| Mar 15, 10:11 AM MDT | Areal Flood Warning | BYZ | Rosebud | 4 days |
| Mar 15, 12:55 PM MDT | Areal Flood Advisory | TFX | Cascade | 48 hr |
| Mar 15, 1:40 PM MDT | Areal Flood Warning | GGW | Phillips | 5 hr |
| Mar 15, 2:35 PM MDT | Winter Weather Advisory | TFX | 33 hr | |
| Mar 15, 3:18 PM MDT | Areal Flood Advisory | TFX | Fergus | 6 days |
| Mar 15, 3:31 PM MDT | High Wind Warning | BYZ | Carbon, Stillwater, Sweet Grass | 13 hr |
| Mar 15, 3:53 PM MDT | Areal Flood Advisory | TFX | Blaine, Hill | 46 hr |
| Mar 15, 7:14 PM MDT | Areal Flood Advisory | GGW | Phillips | 24 hr |
| Mar 15, 10:49 PM MDT | Wind Advisory | BYZ | Park | 5 hr |
| Mar 16, 3:52 AM MDT | High Wind Warning | TFX | 17 hr | |
| Mar 16, 3:59 AM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 23 hr |
| Mar 16, 8:17 AM MDT | Areal Flood Warning | GGW | Garfield | 5 days |
| Mar 16, 9:06 AM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 9 hr |
| Mar 16, 10:58 AM MDT | Areal Flood Advisory | GGW | Phillips | 27 hr |
| Mar 16, 11:54 AM MDT | Areal Flood Warning | GGW | Dawson, Prairie, Richland, Wibaux | 72 hr |
| Mar 16, 2:29 PM MDT | Winter Weather Advisory | MSO | Granite, Missoula, Ravalli | 16 hr |
| Mar 16, 5:13 PM MDT | Areal Flood Warning | BYZ | Carter | 6 days |
| Mar 17, 8:00 AM MDT | Areal Flood Warning | GGW | Wibaux | 25 hr |
| Mar 17, 10:14 AM MDT | Areal Flood Warning | TFX | Blaine, Hill | 4 days |
| Mar 17, 10:45 AM MDT | Areal Flood Warning | GGW | Dawson, McCone, Richland | 54 hr |
| Mar 17, 1:54 PM MDT | Areal Flood Warning | GGW | Phillips | 6 days |
| Mar 17, 3:10 PM MDT | Flash Flood Warning | GGW | Garfield | 6 hr |
| Mar 17, 7:52 PM MDT | Flood Watch | GGW | Valley | 4 days |
| Mar 19, 12:31 PM MDT | Areal Flood Warning | GGW | Dawson, Prairie, Richland, Wibaux | 49 hr |
| Mar 19, 2:39 PM MDT | Winter Weather Advisory | TFX | 14 hr | |
| Mar 19, 4:33 PM MDT | Areal Flood Advisory | GGW | McCone | 26 hr |
| Mar 20, 3:19 AM MDT | Dense Fog Advisory | MSO | Flathead, Lincoln, Sanders | 8 hr |
| Mar 20, 3:44 AM MDT | Winter Storm Watch | GGW | Daniels, Phillips, Richland, Roosevelt, Sheridan, Valley | 36 hr |
| Mar 20, 3:07 PM MDT | Winter Storm Watch | TFX | 14 hr | |
| Mar 21, 3:14 AM MDT | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more | 33 hr |
| Mar 21, 5:27 AM MDT | Winter Storm Warning | TFX | 52 hr | |
| Mar 21, 8:15 AM MDT | Areal Flood Warning | GGW | Garfield | 4 hr |
| Mar 21, 11:50 AM MDT | Winter Storm Warning | MSO | Deer Lodge, Granite, Powell, Silver Bow | 24 hr |
| Mar 21, 12:40 PM MDT | Areal Flood Advisory | GGW | Garfield | 21 hr |
| Mar 21, 1:33 PM MDT | Areal Flood Advisory | GGW | Richland | 4 days |
| Mar 21, 3:02 PM MDT | Winter Weather Advisory | BYZ | Carbon, Golden Valley, Musselshell, Park, Stillwater, Sweet Grass and 1 more | 38 hr |
| Mar 21, 3:50 PM MDT | Blizzard Warning | GGW | Daniels, Phillips, Roosevelt, Sheridan, Valley | 18 hr |
| Mar 21, 3:50 PM MDT | Winter Weather Advisory | GGW | Dawson, Garfield, McCone, Petroleum, Prairie, Richland and 1 more | 46 hr |
| Mar 21, 9:57 PM MDT | Winter Weather Advisory | TFX | 17 hr | |
| Mar 22, 2:04 AM MDT | Winter Weather Advisory | BYZ | Custer, Fallon, Rosebud, Treasure | 37 hr |
| Mar 22, 6:25 AM MDT | Winter Storm Warning | BYZ | Carbon, Golden Valley, Park, Stillwater, Sweet Grass, Wheatland | 23 hr |
| Mar 22, 10:17 AM MDT | Winter Storm Warning | GGW | Daniels, Phillips, Roosevelt, Sheridan, Valley | 28 hr |
| Mar 22, 10:25 AM MDT | Areal Flood Advisory | GGW | Wibaux | 36 hr |
| Mar 23, 11:38 AM MDT | Areal Flood Warning | GGW | Phillips, Valley | 9 days |
| Mar 24, 6:23 AM MDT | Dense Fog Advisory | TFX | 8 hr | |
| Mar 24, 10:02 AM MDT | River Flood Warning | GGW | Valley | 41 hr |
| Mar 24, 5:48 PM MDT | Winter Weather Advisory | GGW | Phillips, Roosevelt, Valley | 4 days |
| Mar 25, 12:41 AM MDT | Freezing Fog Advisory | TFX | 11 hr | |
| Mar 25, 9:18 AM MDT | Winter Weather Advisory | TFX | 9 hr | |
| Mar 25, 3:22 PM MDT | Winter Storm Warning | BYZ | Carter, Powder River, Rosebud | 21 hr |
| Mar 25, 7:21 PM MDT | Winter Weather Advisory | TFX | 14 hr | |
| Mar 26, 9:02 AM MDT | Freezing Fog Advisory | TFX | 27 hr | |
| Mar 27, 7:26 AM MDT | Winter Weather Advisory | MSO | Deer Lodge, Granite, Powell, Silver Bow | 5 hr |
| Mar 27, 11:25 AM MDT | Winter Weather Advisory | TFX | 10 hr | |
| Mar 27, 12:51 PM MDT | Winter Weather Advisory | BYZ | Big Horn, Powder River, Rosebud | 24 hr |
| Mar 29, 3:23 AM MDT | Winter Storm Watch | BYZ | Carbon, Park, Stillwater, Sweet Grass | 12 hr |
| Mar 29, 3:55 AM MDT | High Wind Watch | TFX | 24 hr | |
| Mar 29, 1:47 PM MDT | High Wind Warning | TFX | 52 hr | |
| Mar 29, 2:10 PM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 20 hr |
| Mar 29, 2:10 PM MDT | Wind Advisory | MSO | Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow | 51 hr |
| Mar 29, 3:17 PM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 60 hr |
| Mar 30, 4:44 AM MDT | Winter Storm Warning | TFX | 37 hr | |
| Mar 30, 9:48 AM MDT | Winter Weather Advisory | MSO | Granite, Missoula, Ravalli | 5 hr |
| Mar 30, 10:30 AM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 7 hr |
| Mar 31, 9:43 AM MDT | High Wind Warning | MSO | Deer Lodge, Granite, Powell, Silver Bow | 7 hr |
| Mar 31, 9:43 AM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 7 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Flooding | |
| Areal Flood Warning | 18 |
| Flash Flood Warning | 2 |
| River Flood Warning | 3 |
| Flood Watch | 2 |
| Areal Flood Advisory | 12 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 9 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 25 |
| Cold | |
| Wind Chill Advisory | 6 |
| Wind and dust | |
| High Wind Warning | 7 |
| High Wind Watch | 4 |
| Lake Wind Advisory | 4 |
| Wind Advisory | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
| Freezing Fog Advisory | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Phillips County12
- Granite County12
- Missoula County12
- Valley County11
- Richland County10
- Stillwater County10
- Sweet Grass County10
- Lake County10
- Sanders County10
- Dawson County9
- Wibaux County9
- Ravalli County9
- Flathead County9
- Garfield County8
- Carbon County8
- Powell County8
- Park County8
- Roosevelt County7
- Sheridan County7
- Deer Lodge County7
- Silver Bow County7
- Daniels County5
- McCone County5
- Prairie County5
- Mineral County5
- Custer County4
- Petroleum County4
- Rosebud County4
- Carter County3
- Powder River County3
- Wheatland County3
- Fallon County2
- Chouteau County2
- Fergus County2
- Cascade County2
- Blaine County2
- Hill County2
- Golden Valley County2
- Pondera County1
- Teton County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.