Alert archive / Montana / 2015
Weather alerts in Montana, May 2015
68 weather alerts in May 2015, 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 May 2015. Tap one for its archive.
- Alerts
- 68
- Warnings
- 11
- Watches
- 2
- Advisories
- 15
- Busiest day
- May 30, 201516 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 |
|---|---|---|---|---|
| May 1, 3:32 AM MDT | High Wind Warning | TFX | 24 hr | |
| May 2, 3:06 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 18 hr |
| May 3, 2:53 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 30 hr |
| May 5, 3:11 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 16 hr |
| May 5, 5:13 PM MDT | Special Weather Statement | GGW | 32 min | |
| May 6, 3:21 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 18 hr |
| May 6, 2:34 PM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 21 hr |
| May 7, 3:18 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 15 hr |
| May 8, 3:11 PM MDT | Winter Storm Watch | BYZ | Carter, Powder River | 13 hr |
| May 8, 3:11 PM MDT | Winter Storm Warning | BYZ | Carter | 42 hr |
| May 8, 3:11 PM MDT | Winter Weather Advisory | BYZ | Carbon, Powder River, Stillwater, Sweet Grass | 42 hr |
| May 12, 12:53 PM MDT | Mesoscale Discussion | SPC | Beaverhead | 2 hr |
| May 12, 3:27 PM MDT | Special Weather Statement | TFX | Beaverhead | 33 min |
| May 13, 4:55 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 22 hr |
| May 13, 9:05 AM MDT | Special Weather Statement | MSO | Lake | 85 min |
| May 13, 6:37 PM MDT | Special Weather Statement | BYZ | Wheatland | 38 min |
| May 13, 8:11 PM MDT | Special Weather Statement | BYZ | Wheatland | 64 min |
| May 13, 9:12 PM MDT | Special Weather Statement | BYZ | Golden Valley | 48 min |
| May 13, 9:31 PM MDT | Special Weather Statement | MSO | Granite | 44 min |
| May 14, 2:42 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 3 days |
| May 14, 5:23 PM MDT | Special Weather Statement | MSO | Missoula | 37 min |
| May 14, 6:48 PM MDT | Special Weather Statement | MSO | Mineral | 42 min |
| May 15, 3:07 PM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 35 hr |
| May 15, 5:36 PM MDT | Special Weather Statement | RIW | Carbon | 39 min |
| May 16, 6:38 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Treasure | 52 min |
| May 21, 2:21 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 29 hr |
| May 23, 3:10 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 18 hr |
| May 24, 7:12 PM MDT | Special Weather Statement | BYZ | Stillwater | 63 min |
| May 25, 3:40 PM MDT | Areal Flood Warning | BYZ | Powder River | 4 days |
| May 26, 2:42 PM MDT | River Flood Watch | BYZ | Rosebud | 3 days |
| May 26, 8:54 PM MDT | Special Weather Statement | MSO | Missoula | 51 min |
| May 27, 5:27 AM MDT | River Flood Warning | BYZ | Rosebud | 3 days |
| May 27, 12:14 PM MDT | Areal Flood Advisory | MSO | Deer Lodge, Granite, Missoula, Silver Bow | 6 hr |
| May 27, 12:41 PM MDT | Special Weather Statement | GGW | Dawson | 64 min |
| May 27, 12:48 PM MDT | Special Weather Statement | GGW | Wibaux | 57 min |
| May 27, 1:32 PM MDT | Special Weather Statement | GGW | Dawson | 28 min |
| May 27, 2:26 PM MDT | Special Weather Statement | BYZ | Yellowstone | 64 min |
| May 27, 6:12 PM MDT | Special Weather Statement | MSO | Ravalli | 48 min |
| May 27, 6:51 PM MDT | Special Weather Statement | BYZ | Yellowstone | 54 min |
| May 28, 12:59 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 7 hr |
| May 28, 1:27 PM MDT | Special Weather Statement | TFX | Chouteau | 33 min |
| May 28, 2:09 PM MDT | Special Weather Statement | TFX | Judith Basin | 36 min |
| May 28, 3:29 PM MDT | Special Weather Statement | GGW | Phillips | 31 min |
| May 29, 5:17 AM MDT | Areal Flood Advisory | BYZ | Big Horn | 33 hr |
| May 29, 2:44 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 29 hr |
| May 29, 4:21 PM MDT | Special Weather Statement | MSO | Missoula | 24 min |
| May 29, 4:55 PM MDT | Special Weather Statement | MSO | Missoula | 35 min |
| May 29, 5:29 PM MDT | Special Weather Statement | MSO | Sanders | 46 min |
| May 29, 5:39 PM MDT | Special Weather Statement | MSO | Missoula | 51 min |
| May 30, 10:15 AM MDT | River Flood Warning | BYZ | Rosebud | 10 days |
| May 30, 2:00 PM MDT | Mesoscale Discussion | SPC | Big Horn, Blaine, Broadwater, Carbon, Cascade, Chouteau and 34 more | 2 hr |
| May 30, 2:02 PM MDT | Special Weather Statement | MSO | Mineral | 43 min |
| May 30, 2:13 PM MDT | Special Weather Statement | MSO | Sanders | 47 min |
| May 30, 2:25 PM MDT | Special Weather Statement | MSO | Flathead | 35 min |
| May 30, 2:27 PM MDT | Severe Thunderstorm Warning | MSO | Mineral, Sanders | 33 min |
| May 30, 2:33 PM MDT | Special Weather Statement | MSO | Flathead | 42 min |
| May 30, 2:59 PM MDT | Severe Thunderstorm Warning | MSO | Mineral, Sanders | 31 min |
| May 30, 3:24 PM MDT | Flash Flood Warning | MSO | Mineral | 2 hr |
| May 30, 3:32 PM MDT | Special Weather Statement | MSO | Mineral | 28 min |
| May 30, 3:33 PM MDT | Special Weather Statement | MSO | Mineral | 27 min |
| May 30, 3:42 PM MDT | Severe Thunderstorm Warning | MSO | Mineral, Missoula | 33 min |
| May 30, 4:08 PM MDT | Special Weather Statement | BYZ | Musselshell | 37 min |
| May 30, 4:13 PM MDT | Special Weather Statement | MSO | Mineral | 47 min |
| May 30, 4:16 PM MDT | Special Weather Statement | BYZ | Musselshell | 44 min |
| May 30, 4:59 PM MDT | Special Weather Statement | MSO | Missoula | 31 min |
| May 30, 6:38 PM MDT | Special Weather Statement | MSO | Granite | 37 min |
| May 31, 4:23 PM MDT | Mesoscale Discussion | SPC | Beaverhead, Broadwater, Carbon, Deer Lodge, Gallatin, Golden Valley and 14 more | 97 min |
| May 31, 4:25 PM MDT | Special Weather Statement | MSO | Lake | 65 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 | 4 |
| Mesoscale Discussion | 3 |
| Special Weather Statement | 37 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 1 |
| River Flood Warning | 2 |
| River Flood Watch | 1 |
| Areal Flood Advisory | 2 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| Lake Wind Advisory | 12 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Phillips County13
- Garfield County12
- Petroleum County12
- McCone County11
- Valley County11
- Mineral County10
- Missoula County9
- Sanders County6
- Carbon County5
- Stillwater County5
- Granite County5
- Flathead County4
- Lake County4
- Sweet Grass County4
- Wheatland County4
- Rosebud County4
- Yellowstone County4
- Musselshell County4
- Powder River County3
- Beaverhead County3
- Golden Valley County3
- Park County3
- Big Horn County3
- Deer Lodge County3
- Silver Bow County3
- Judith Basin County3
- Carter County2
- Treasure County2
- Dawson County2
- Ravalli County2
- Chouteau County2
- Broadwater County2
- Gallatin County2
- Jefferson County2
- Meagher County2
- Powell County2
- Wibaux County1
- Blaine County1
- Cascade County1
- Fergus County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20142016
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.