Alert archive / Montana / 2009
Weather alerts in Montana, March 2009
92 weather alerts in March 2009, 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 2009. Tap one for its archive.
- Alerts
- 92
- Warnings
- 27
- Watches
- 17
- Advisories
- 43
- Busiest day
- March 4, 20099 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 3, 6:19 AM MST | Dense Fog Advisory | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more | 3 hr |
| Mar 3, 2:08 PM MST | Winter Storm Watch | MSO | Flathead, Granite, Lake, Mineral, Missoula, Powell and 2 more | 43 hr |
| Mar 3, 10:37 PM MST | Freezing Rain Advisory | GGW | Daniels, Roosevelt, Sheridan | 5 hr |
| Mar 4, 4:22 AM MST | Winter Storm Watch | TFX | 10 hr | |
| Mar 4, 7:42 AM MST | Dense Fog Advisory | GGW | Phillips, Roosevelt, Valley | 5 hr |
| Mar 4, 8:37 AM MST | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 27 hr |
| Mar 4, 9:28 AM MST | Winter Weather Advisory | TFX | 15 hr | |
| Mar 4, 2:29 PM MST | Winter Storm Warning | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more | 42 hr |
| Mar 4, 2:29 PM MST | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 3 more | 44 hr |
| Mar 4, 2:48 PM MST | Winter Storm Warning | TFX | 38 hr | |
| Mar 4, 2:48 PM MST | Winter Weather Advisory | TFX | 42 hr | |
| Mar 4, 9:20 PM MST | Dense Fog Advisory | GGW | Daniels, Phillips, Roosevelt, Sheridan, Valley | 10 hr |
| Mar 5, 10:51 AM MST | Areal Flood Warning | BYZ | Custer | 71 hr |
| Mar 5, 12:52 PM MST | Mesoscale Discussion | SPC | Flathead, Glacier, Lake, Mineral, Missoula, Sanders and 1 more | 4 hr |
| Mar 5, 3:43 PM MST | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 23 hr |
| Mar 5, 3:43 PM MST | Winter Weather Advisory | BYZ | Golden Valley, Park, Stillwater, Wheatland | 20 hr |
| Mar 7, 4:24 AM MST | Winter Storm Warning | MSO | Flathead, Lake | 37 hr |
| Mar 7, 4:24 AM MST | Winter Weather Advisory | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 3 more | 37 hr |
| Mar 7, 6:35 AM MST | High Wind Warning | TFX | 8 hr | |
| Mar 7, 3:16 PM MST | Winter Weather Advisory | BYZ | Big Horn, Carbon, Custer, Fallon, Golden Valley, Musselshell and 7 more | 61 hr |
| Mar 7, 11:08 PM MST | Wind Advisory | BYZ | Park | 4 hr |
| Mar 8, 4:16 AM MDT | Winter Weather Advisory | TFX | 14 hr | |
| Mar 8, 4:42 AM MDT | Winter Storm Watch | BYZ | Carter, Custer, Fallon | 23 hr |
| Mar 8, 4:42 AM MDT | Winter Storm Warning | BYZ | Carbon, Carter, Powder River, Rosebud, Stillwater, Sweet Grass | 49 hr |
| Mar 8, 12:53 PM MDT | Winter Weather Advisory | GGW | Dawson, McCone, Prairie, Richland, Wibaux | 9 hr |
| Mar 8, 2:23 PM MDT | Wind Chill Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 1 more | 23 hr |
| Mar 8, 2:34 PM MDT | Wind Chill Advisory | GGW | Daniels, Phillips, Roosevelt, Sheridan, Valley | 54 hr |
| Mar 8, 2:37 PM MDT | Wind Chill Advisory | TFX | 62 hr | |
| Mar 9, 3:10 AM MDT | Wind Chill Advisory | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 2 more | 31 hr |
| Mar 9, 4:13 AM MDT | Wind Chill Advisory | TFX | 48 hr | |
| Mar 9, 4:45 AM MDT | Wind Chill Warning | MSO | Flathead, Lake, Sanders | 10 hr |
| Mar 9, 4:45 AM MDT | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 4 more | 32 hr |
| Mar 9, 2:45 PM MDT | Winter Storm Warning | MSO | Flathead, Lake, Sanders | 24 hr |
| Mar 9, 11:08 PM MDT | Wind Chill Advisory | MSO | Deer Lodge, Granite, Lake, Missoula, Powell, Silver Bow | 5 hr |
| Mar 13, 2:44 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lincoln, Mineral, Missoula and 4 more | 3 days |
| Mar 14, 3:01 PM MDT | Winter Storm Watch | MSO | Flathead, Lake | 6 hr |
| Mar 14, 3:06 PM MDT | Winter Storm Watch | TFX | 24 hr | |
| Mar 14, 3:15 PM MDT | Winter Storm Watch | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 24 hr |
| Mar 14, 9:07 PM MDT | Winter Storm Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 2 more | 47 hr |
| Mar 15, 3:12 AM MDT | Wind Advisory | BYZ | Park, Stillwater, Sweet Grass | 24 hr |
| Mar 15, 4:23 AM MDT | Winter Storm Warning | TFX | 41 hr | |
| Mar 15, 3:30 PM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 36 hr |
| Mar 15, 8:38 PM MDT | Wind Advisory | MSO | Flathead, Lake, Lincoln, Sanders | 3 hr |
| Mar 16, 3:59 PM MDT | Winter Weather Advisory | TFX | 5 hr | |
| Mar 16, 5:44 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow | 10 hr |
| Mar 17, 7:47 AM MDT | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more | 4 hr |
| Mar 17, 9:20 AM MDT | Winter Storm Warning | BYZ | Carbon, Stillwater, Sweet Grass | 6 hr |
| Mar 17, 9:20 AM MDT | Winter Weather Advisory | BYZ | 6 hr | |
| Mar 20, 10:23 AM MDT | River Flood Advisory | GGW | Flathead | 22 hr |
| Mar 20, 10:23 AM MDT | River Flood Advisory | GGW | Richland | 50 hr |
| Mar 21, 4:29 AM MDT | Blizzard Watch | BYZ | Carter, Fallon, Powder River, Rosebud | 35 hr |
| Mar 21, 4:29 AM MDT | Winter Storm Watch | BYZ | Carbon, Park, Stillwater, Sweet Grass | 35 hr |
| Mar 21, 11:20 AM MDT | Areal Flood Advisory | GGW | Daniels, Roosevelt, Sheridan, Valley | 24 hr |
| Mar 22, 4:06 AM MDT | Winter Weather Advisory | TFX | 29 hr | |
| Mar 22, 12:01 PM MDT | Winter Storm Warning | TFX | 21 hr | |
| Mar 22, 12:39 PM MDT | River Flood Advisory | GGW | Richland | 48 hr |
| Mar 22, 1:46 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Granite, Powell, Silver Bow | 14 hr |
| Mar 22, 3:17 PM MDT | Blizzard Watch | GGW | Wibaux | 24 hr |
| Mar 22, 3:58 PM MDT | Blizzard Warning | BYZ | Carter, Fallon, Powder River | 44 hr |
| Mar 22, 3:58 PM MDT | Winter Storm Warning | BYZ | Carbon, Park, Rosebud, Stillwater, Sweet Grass | 29 hr |
| Mar 22, 3:58 PM MDT | Winter Weather Advisory | BYZ | Park | 18 hr |
| Mar 23, 3:59 AM MDT | Mesoscale Discussion | SPC | Carter, Powder River | 6 hr |
| Mar 23, 10:02 AM MDT | Areal Flood Advisory | GGW | Sheridan | 24 hr |
| Mar 23, 11:06 AM MDT | Mesoscale Discussion | SPC | Carter, Fallon, Powder River | 5 hr |
| Mar 23, 2:10 PM MDT | Winter Storm Watch | MSO | Flathead, Granite, Lake, Mineral, Missoula, Powell and 2 more | 38 hr |
| Mar 23, 3:04 PM MDT | Blizzard Warning | GGW | Wibaux | 9 hr |
| Mar 23, 5:56 PM MDT | Mesoscale Discussion | SPC | Carter | 3 hr |
| Mar 24, 4:02 AM MDT | Winter Storm Watch | TFX | 11 hr | |
| Mar 24, 9:54 AM MDT | Areal Flood Advisory | GGW | Sheridan | 23 hr |
| Mar 24, 2:12 PM MDT | Winter Storm Warning | MSO | Flathead, Granite, Lake, Mineral, Missoula, Powell and 2 more | 33 hr |
| Mar 24, 2:12 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Powell, Sanders and 1 more | 33 hr |
| Mar 24, 2:44 PM MDT | Winter Storm Watch | TFX | 12 hr | |
| Mar 24, 2:44 PM MDT | Winter Weather Advisory | TFX | 36 hr | |
| Mar 25, 4:27 AM MDT | Winter Weather Advisory | BYZ | Big Horn, Carbon, Park, Stillwater, Sweet Grass | 23 hr |
| Mar 25, 10:50 PM MDT | Winter Storm Warning | BYZ | 5 hr | |
| Mar 27, 2:58 PM MDT | Winter Storm Watch | TFX | 14 hr | |
| Mar 27, 3:09 PM MDT | Winter Storm Watch | MSO | Flathead, Lake, Mineral, Missoula, Sanders | 13 hr |
| Mar 27, 3:10 PM MDT | Winter Storm Watch | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 4 more | 24 hr |
| Mar 27, 3:11 PM MDT | Winter Storm Watch | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 8 more | 22 hr |
| Mar 28, 3:11 AM MDT | Blizzard Watch | BYZ | Big Horn, Carter, Custer, Fallon, Powder River, Rosebud | 25 hr |
| Mar 28, 4:10 AM MDT | Winter Storm Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more | 44 hr |
| Mar 28, 4:10 AM MDT | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Missoula and 3 more | 44 hr |
| Mar 28, 4:41 AM MDT | Winter Storm Warning | TFX | 47 hr | |
| Mar 28, 4:41 AM MDT | Winter Weather Advisory | TFX | 47 hr | |
| Mar 28, 12:49 PM MDT | Winter Storm Warning | BYZ | Carbon, Golden Valley, Musselshell, Park, Rosebud, Stillwater and 3 more | 51 hr |
| Mar 28, 3:16 PM MDT | Winter Storm Warning | GGW | Dawson, Garfield, Petroleum, Phillips, Prairie, Wibaux | 37 hr |
| Mar 28, 3:16 PM MDT | Winter Weather Advisory | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 4 more | 37 hr |
| Mar 29, 2:40 AM MDT | Blizzard Warning | GGW | Dawson, Prairie, Wibaux | 33 hr |
| Mar 29, 3:48 AM MDT | Blizzard Warning | BYZ | Big Horn, Carter, Custer, Fallon, Powder River, Rosebud | 38 hr |
| Mar 29, 9:03 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carbon, Custer, Fallon, Powder River, Rosebud and 1 more | 6 hr |
| Mar 30, 2:51 PM MDT | Winter Weather Advisory | MSO | Flathead, Granite, Lake, Mineral, Missoula, Powell and 2 more | 39 hr |
| Mar 31, 1:10 PM MDT | Winter Storm Warning | MSO | Granite, Lake, Missoula, Powell | 17 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 | |
| Mesoscale Discussion | 5 |
| Flooding | |
| Areal Flood Warning | 1 |
| Areal Flood Advisory | 3 |
| River Flood Advisory | 3 |
| Winter | |
| Blizzard Warning | 4 |
| Winter Storm Warning | 20 |
| Blizzard Watch | 3 |
| Winter Storm Watch | 14 |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 24 |
| Cold | |
| Wind Chill Warning | 1 |
| Wind Chill Advisory | 6 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Flathead County24
- Lake County24
- Granite County20
- Missoula County20
- Powell County19
- Sanders County19
- Stillwater County15
- Park County14
- Mineral County13
- Carbon County13
- Sweet Grass County13
- Ravalli County12
- Deer Lodge County12
- Silver Bow County12
- Powder River County10
- Carter County10
- Fallon County9
- Rosebud County9
- Wibaux County8
- Lincoln County7
- Roosevelt County7
- Phillips County7
- Custer County7
- Sheridan County6
- Valley County6
- Wheatland County6
- Big Horn County6
- Dawson County6
- Prairie County6
- Richland County6
- Daniels County4
- Golden Valley County4
- McCone County4
- Garfield County4
- Petroleum County4
- Musselshell County3
- Treasure County3
- Glacier County1
- Teton County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.