Alert archive / Montana / 2009
Weather alerts in Montana, September 2009
89 weather alerts in September 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 September 2009. Tap one for its archive.
- Alerts
- 89
- Warnings
- 34
- Watches
- 14
- Advisories
- 17
- Busiest day
- September 14, 200913 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 |
|---|---|---|---|---|
| Sep 1, 1:19 PM MDT | Special Weather Statement | BYZ | Powder River | 26 min |
| Sep 1, 1:49 PM MDT | Special Weather Statement | BYZ | Powder River | 56 min |
| Sep 1, 2:52 PM MDT | Special Weather Statement | BYZ | Custer | 53 min |
| Sep 1, 4:08 PM MDT | Special Weather Statement | BYZ | Fallon | 52 min |
| Sep 1, 5:05 PM MDT | Special Weather Statement | TFX | Teton | 40 min |
| Sep 3, 12:32 PM MDT | Special Weather Statement | TFX | Cascade | 43 min |
| Sep 4, 3:37 PM MDT | Fire Weather Watch | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more | 37 hr |
| Sep 4, 6:00 PM MDT | Special Weather Statement | TFX | Beaverhead | 60 min |
| Sep 5, 3:36 AM MDT | Fire Weather Watch | GGW | Dawson, McCone, Prairie, Richland, Wibaux | 24 hr |
| Sep 5, 7:03 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 57 min |
| Sep 5, 7:27 PM MDT | Special Weather Statement | MSO | Flathead | 48 min |
| Sep 5, 7:29 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Valley | 8 hr |
| Sep 5, 7:43 PM MDT | Special Weather Statement | MSO | Granite | 47 min |
| Sep 6, 3:52 AM MDT | Red Flag Warning | GGW | Dawson, McCone, Prairie, Richland, Wibaux | 18 hr |
| Sep 6, 4:46 AM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more | 16 hr |
| Sep 6, 3:20 PM MDT | Special Weather Statement | BYZ | Powder River | 55 min |
| Sep 6, 4:44 PM MDT | Special Weather Statement | BYZ | Carter | 61 min |
| Sep 6, 5:08 PM MDT | Special Weather Statement | BYZ | Carbon | 22 min |
| Sep 6, 5:51 PM MDT | Special Weather Statement | BYZ | 54 min | |
| Sep 6, 7:35 PM MDT | Special Weather Statement | MSO | Lincoln | 85 min |
| Sep 6, 8:50 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Valley | 10 hr |
| Sep 6, 9:01 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 59 min |
| Sep 6, 10:29 PM MDT | Special Weather Statement | BYZ | Custer | 61 min |
| Sep 7, 6:28 PM MDT | Special Weather Statement | BYZ | Rosebud | 62 min |
| Sep 7, 11:43 PM MDT | Special Weather Statement | BYZ | Carter | 62 min |
| Sep 8, 3:36 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Valley | 15 hr |
| Sep 8, 2:44 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more | 28 hr |
| Sep 8, 3:11 PM MDT | Red Flag Warning | TFX | Blaine, Glacier, Hill, Liberty, Phillips, Pondera and 1 more | 29 hr |
| Sep 9, 2:33 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 30 hr |
| Sep 10, 4:12 AM MDT | Red Flag Warning | BYZ | Big Horn, Carter, Custer, Fallon, Golden Valley, Musselshell and 4 more | 17 hr |
| Sep 12, 2:51 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Valley | 30 hr |
| Sep 13, 1:44 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Daniels, Dawson, Fallon, Garfield and 11 more | 61 min |
| Sep 13, 2:35 PM MDT | Severe Thunderstorm Watch | SPC | Custer, Daniels, Dawson, Fallon, Garfield, McCone and 8 more | 7 hr |
| Sep 13, 4:40 PM MDT | Special Weather Statement | BYZ | Prairie | 65 min |
| Sep 13, 5:16 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 29 min |
| Sep 13, 5:26 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 64 min |
| Sep 13, 5:28 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Prairie | 62 min |
| Sep 13, 6:12 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie | 63 min |
| Sep 13, 6:29 PM MDT | Mesoscale Discussion | SPC | Custer, Daniels, Dawson, Fallon, Garfield, McCone and 8 more | 91 min |
| Sep 13, 7:04 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie | 56 min |
| Sep 13, 7:08 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Wibaux | 52 min |
| Sep 13, 7:43 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 62 min |
| Sep 13, 7:52 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Wibaux | 37 min |
| Sep 13, 7:58 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 62 min |
| Sep 13, 8:53 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie | 67 min |
| Sep 13, 9:20 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland | 55 min |
| Sep 13, 9:52 PM MDT | Mesoscale Discussion | SPC | Daniels, Dawson, McCone, Richland, Roosevelt, Sheridan | 53 min |
| Sep 13, 10:11 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Valley | 64 min |
| Sep 13, 10:20 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 55 min |
| Sep 14, 1:32 AM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 58 min |
| Sep 16, 4:33 PM MDT | Special Weather Statement | BYZ | Fallon | 57 min |
| Sep 17, 4:48 PM MDT | Special Weather Statement | TFX | Liberty | 42 min |
| Sep 18, 3:19 AM MDT | Fire Weather Watch | BYZ | Carter, Fallon, Gallatin, Golden Valley, Madison, Musselshell and 3 more | 36 hr |
| Sep 18, 4:05 AM MDT | Fire Weather Watch | GGW | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more | 23 hr |
| Sep 18, 2:35 PM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 29 hr |
| Sep 18, 3:17 PM MDT | Fire Weather Watch | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 23 hr |
| Sep 19, 3:31 AM MDT | Red Flag Warning | GGW | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more | 20 hr |
| Sep 19, 3:47 AM MDT | Red Flag Warning | BYZ | Carter, Fallon | 18 hr |
| Sep 19, 2:24 PM MDT | Red Flag Warning | TFX | Blaine, Cascade, Chouteau, Fergus, Hill, Judith Basin and 2 more | 8 hr |
| Sep 19, 2:45 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Valley | 33 hr |
| Sep 20, 2:39 PM MDT | Frost Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more | 18 hr |
| Sep 21, 3:25 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Valley | 16 hr |
| Sep 22, 2:37 PM MDT | Fire Weather Watch | GGW | 24 hr | |
| Sep 23, 2:37 PM MDT | Red Flag Warning | GGW | 29 hr | |
| Sep 24, 2:43 PM MDT | Fire Weather Watch | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 24 hr |
| Sep 24, 2:45 PM MDT | Fire Weather Watch | MSO | Beaverhead, Deer Lodge, Flathead, Glacier, Granite, Jefferson and 10 more | 23 hr |
| Sep 24, 2:57 PM MDT | Fire Weather Watch | BYZ | Big Horn, Carter, Custer, Fallon, Golden Valley, Musselshell and 7 more | 24 hr |
| Sep 24, 8:05 PM MDT | Fire Weather Watch | GGW | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more | 19 hr |
| Sep 25, 1:47 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Flathead, Glacier, Granite, Jefferson and 10 more | 33 hr |
| Sep 25, 2:15 PM MDT | High Wind Watch | TFX | 14 hr | |
| Sep 25, 2:35 PM MDT | High Wind Watch | MSO | Flathead, Lake | 12 hr |
| Sep 25, 2:45 PM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 31 hr |
| Sep 25, 2:47 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Phillips, Valley | 30 hr |
| Sep 25, 2:56 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Gallatin and 11 more | 31 hr |
| Sep 25, 3:00 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more | 30 hr |
| Sep 26, 2:43 AM MDT | High Wind Warning | MSO | Flathead, Lake | 18 hr |
| Sep 26, 3:49 AM MDT | High Wind Warning | TFX | 17 hr | |
| Sep 26, 9:03 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Valley | 23 hr |
| Sep 27, 3:46 AM MDT | Red Flag Warning | GGW | Dawson, McCone, Prairie, Richland, Wibaux | 17 hr |
| Sep 28, 2:18 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Gallatin and 8 more | 31 hr |
| Sep 28, 2:43 PM MDT | Fire Weather Watch | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 17 hr |
| Sep 28, 2:47 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Valley | 25 hr |
| Sep 29, 4:06 AM MDT | Red Flag Warning | GGW | Dawson, McCone, Prairie, Richland, Wibaux | 16 hr |
| Sep 29, 5:44 AM MDT | Wind Advisory | MSO | Granite, Missoula, Ravalli | 3 hr |
| Sep 29, 7:37 AM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 12 hr |
| Sep 29, 2:37 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow | 13 hr |
| Sep 30, 3:53 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Valley | 39 hr |
| Sep 30, 4:16 AM MDT | Winter Weather Advisory | TFX | 17 hr | |
| Sep 30, 2:50 PM MDT | Winter Weather Advisory | BYZ | Carter | 18 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 | 15 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 3 |
| Special Weather Statement | 21 |
| Winter | |
| Winter Weather Advisory | 3 |
| Cold | |
| Frost Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 2 |
| Lake Wind Advisory | 12 |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 17 |
| Fire Weather Watch | 11 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- McCone County26
- Valley County23
- Dawson County20
- Prairie County18
- Garfield County16
- Richland County14
- Custer County13
- Fallon County13
- Wibaux County13
- Carter County12
- Phillips County11
- Powder River County10
- Rosebud County10
- Daniels County10
- Roosevelt County10
- Sheridan County9
- Powell County9
- Granite County8
- Sweet Grass County7
- Treasure County7
- Flathead County7
- Madison County7
- Jefferson County7
- Big Horn County6
- Golden Valley County6
- Musselshell County6
- Yellowstone County6
- Glacier County6
- Gallatin County6
- Lake County6
- Deer Lodge County6
- Silver Bow County6
- Cascade County5
- Carbon County5
- Park County5
- Stillwater County5
- Wheatland County5
- Beaverhead County5
- Blaine County5
- Hill County5
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.