Alert archive / Montana / 2016
Weather alerts in Montana, May 2016
185 weather alerts in May 2016, 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 2016. Tap one for its archive.
- Alerts
- 185
- Warnings
- 46
- Watches
- 4
- Advisories
- 22
- Busiest day
- May 21, 201647 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 5, 5:32 PM MDT | Special Weather Statement | MSO | Sanders | 28 min |
| May 5, 7:07 PM MDT | Special Weather Statement | MSO | Missoula | 23 min |
| May 5, 7:20 PM MDT | Special Weather Statement | MSO | Flathead | 40 min |
| May 5, 7:58 PM MDT | Special Weather Statement | MSO | Flathead | 47 min |
| May 5, 8:53 PM MDT | Special Weather Statement | MSO | Powell | 37 min |
| May 6, 4:38 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 10 hr |
| May 8, 3:08 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 18 hr |
| May 8, 9:20 PM MDT | Special Weather Statement | TFX | Hill | 40 min |
| May 9, 3:02 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 66 hr |
| May 9, 3:51 AM MDT | Winter Storm Warning | TFX | 44 hr | |
| May 9, 8:25 AM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 9 hr |
| May 9, 12:25 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow | 24 hr |
| May 9, 12:50 PM MDT | Special Weather Statement | TFX | Madison | 55 min |
| May 9, 2:21 PM MDT | Winter Weather Advisory | TFX | 21 hr | |
| May 9, 2:38 PM MDT | Winter Storm Warning | GGW | Phillips | 39 hr |
| May 9, 2:40 PM MDT | Winter Weather Advisory | BYZ | Carbon, Stillwater, Sweet Grass | 20 hr |
| May 10, 9:45 AM MDT | Winter Weather Advisory | GGW | Garfield, Petroleum, Phillips | 20 hr |
| May 10, 10:01 AM MDT | Areal Flood Warning | GGW | Phillips, Valley | 48 hr |
| May 10, 10:01 AM MDT | Areal Flood Warning | GGW | Phillips, Valley | 48 hr |
| May 10, 10:01 AM MDT | Areal Flood Warning | GGW | Phillips, Valley | 48 hr |
| May 10, 10:11 AM MDT | Areal Flood Warning | GGW | Garfield, McCone, Prairie | 48 hr |
| May 10, 10:11 AM MDT | Areal Flood Warning | GGW | Garfield, McCone, Prairie | 48 hr |
| May 10, 9:52 PM MDT | River Flood Warning | GGW | Valley | 3 days |
| May 10, 9:52 PM MDT | River Flood Warning | GGW | Valley | 3 days |
| May 11, 12:34 AM MDT | Special Weather Statement | BYZ | Rosebud | 6 hr |
| May 11, 4:21 AM MDT | River Flood Warning | TFX | Blaine | 53 hr |
| May 11, 4:21 AM MDT | River Flood Warning | TFX | Blaine | 53 hr |
| May 11, 10:07 AM MDT | Areal Flood Warning | GGW | Phillips | 48 hr |
| May 12, 9:11 AM MDT | Areal Flood Warning | GGW | Phillips, Valley | 69 hr |
| May 12, 9:46 AM MDT | Areal Flood Advisory | GGW | Garfield | 48 hr |
| May 12, 10:30 AM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 20 hr |
| May 12, 7:50 PM MDT | Areal Flood Advisory | GGW | Phillips | 12 hr |
| May 13, 9:40 AM MDT | Areal Flood Warning | GGW | Phillips | 48 hr |
| May 15, 6:08 AM MDT | Areal Flood Warning | GGW | Phillips, Valley | 3 days |
| May 19, 2:50 AM MDT | Special Weather Statement | MSO | Missoula | 40 min |
| May 19, 4:46 AM MDT | Special Weather Statement | MSO | Missoula | 44 min |
| May 19, 9:20 AM MDT | River Flood Watch | TFX | 4 days | |
| May 19, 12:52 PM MDT | Special Weather Statement | TFX | Fergus | 23 min |
| May 19, 1:19 PM MDT | Special Weather Statement | TFX | Fergus | 41 min |
| May 19, 2:04 PM MDT | Special Weather Statement | TFX | Fergus | 41 min |
| May 19, 2:19 PM MDT | Special Weather Statement | BYZ | Park | 41 min |
| May 19, 2:32 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 28 min |
| May 19, 2:48 PM MDT | Special Weather Statement | BYZ | Park | 57 min |
| May 19, 3:15 PM MDT | Special Weather Statement | TFX | Judith Basin | 45 min |
| May 19, 3:22 PM MDT | Special Weather Statement | BYZ | Park | 53 min |
| May 19, 3:44 PM MDT | Special Weather Statement | TFX | Fergus | 46 min |
| May 19, 4:16 PM MDT | Special Weather Statement | TFX | Fergus | 44 min |
| May 19, 5:20 PM MDT | Special Weather Statement | BYZ | Yellowstone | 55 min |
| May 19, 5:33 PM MDT | Special Weather Statement | TFX | Fergus | 42 min |
| May 19, 6:16 PM MDT | Special Weather Statement | BYZ | Musselshell | 59 min |
| May 20, 3:33 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 47 hr |
| May 20, 5:33 PM MDT | Special Weather Statement | BYZ | Big Horn | 42 min |
| May 20, 6:08 PM MDT | Special Weather Statement | BYZ | Powder River | 52 min |
| May 20, 6:19 PM MDT | Special Weather Statement | BYZ | Big Horn | 41 min |
| May 20, 6:41 PM MDT | Special Weather Statement | BYZ | Powder River | 64 min |
| May 20, 7:01 PM MDT | Special Weather Statement | BYZ | Carter | 59 min |
| May 20, 7:05 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 55 min |
| May 20, 7:20 PM MDT | Special Weather Statement | BYZ | Powder River | 55 min |
| May 20, 7:47 PM MDT | Special Weather Statement | BYZ | Custer | 58 min |
| May 20, 8:14 PM MDT | Special Weather Statement | BYZ | Carbon | 61 min |
| May 20, 8:16 PM MDT | Special Weather Statement | BYZ | Powder River | 59 min |
| May 20, 8:22 PM MDT | Special Weather Statement | BYZ | Rosebud | 38 min |
| May 20, 8:57 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 33 min |
| May 20, 9:02 PM MDT | Special Weather Statement | BYZ | Rosebud | 43 min |
| May 20, 9:29 PM MDT | Special Weather Statement | BYZ | Stillwater | 46 min |
| May 20, 10:54 PM MDT | Special Weather Statement | BYZ | Golden Valley | 51 min |
| May 20, 11:28 PM MDT | Special Weather Statement | BYZ | Stillwater | 32 min |
| May 20, 11:28 PM MDT | Special Weather Statement | TFX | Chouteau, Fergus | 47 min |
| May 21, 12:32 AM MDT | Special Weather Statement | TFX | Blaine, Fergus | 43 min |
| May 21, 12:45 AM MDT | Special Weather Statement | BYZ | Stillwater | 3 hr |
| May 21, 1:22 AM MDT | Special Weather Statement | TFX | Blaine, Fergus, Hill | 38 min |
| May 21, 1:47 AM MDT | Special Weather Statement | GGW | Petroleum | 43 min |
| May 21, 10:03 AM MDT | River Flood Watch | TFX | 38 hr | |
| May 21, 11:49 AM MDT | Special Weather Statement | TFX | Chouteau | 41 min |
| May 21, 12:57 PM MDT | Winter Weather Advisory | MSO | Flathead, Lake | 47 hr |
| May 21, 1:03 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 27 min |
| May 21, 1:42 PM MDT | Special Weather Statement | BYZ | Carbon, Stillwater | 63 min |
| May 21, 2:01 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Stillwater | 59 min |
| May 21, 2:10 PM MDT | Mesoscale Discussion | SPC | Blaine, Carbon, Fergus, Golden Valley, Musselshell, Petroleum and 2 more | 65 min |
| May 21, 2:12 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 52 min |
| May 21, 2:26 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Daniels, Dawson, Fergus, Garfield, Golden Valley and 13 more | 7 hr |
| May 21, 2:40 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Carbon, Golden Valley, Musselshell, Stillwater, Wheatland and 1 more | 65 min |
| May 21, 2:54 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Dawson, Fallon, Powder River, Prairie and 2 more | 2 hr |
| May 21, 3:29 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Yellowstone | 61 min |
| May 21, 3:39 PM MDT | Winter Weather Advisory | TFX | 44 hr | |
| May 21, 3:50 PM MDT | Tornado Warning | BYZ | Musselshell, Yellowstone | 25 min |
| May 21, 4:01 PM MDT | Special Weather Statement | TFX | Petroleum | 14 min |
| May 21, 4:16 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud, Treasure, Yellowstone | 59 min |
| May 21, 4:34 PM MDT | Special Weather Statement | GGW | Petroleum | 41 min |
| May 21, 4:37 PM MDT | Mesoscale Discussion | SPC | Big Horn, Garfield, Musselshell, Petroleum, Phillips, Rosebud and 3 more | 53 min |
| May 21, 4:49 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 56 min |
| May 21, 5:03 PM MDT | Severe Thunderstorm Watch | SPC | Carter, Custer, Fallon, Powder River | 5 hr |
| May 21, 5:11 PM MDT | Special Weather Statement | GGW | 49 min | |
| May 21, 5:22 PM MDT | Special Weather Statement | BYZ | 23 min | |
| May 21, 5:24 PM MDT | Special Weather Statement | GGW | Phillips | 51 min |
| May 21, 5:41 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 45 min |
| May 21, 5:42 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 63 min |
| May 21, 5:53 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 67 min |
| May 21, 5:57 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Powder River, Rosebud | 63 min |
| May 21, 6:04 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 26 min |
| May 21, 6:10 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 48 min |
| May 21, 6:15 PM MDT | Special Weather Statement | MSO | Deer Lodge | 30 min |
| May 21, 6:18 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Valley | 57 min |
| May 21, 6:26 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 64 min |
| May 21, 6:38 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Daniels, Dawson, Fallon, Garfield and 10 more | 67 min |
| May 21, 6:47 PM MDT | Special Weather Statement | GGW | McCone | 58 min |
| May 21, 6:52 PM MDT | Special Weather Statement | MSO | Powell | 23 min |
| May 21, 6:53 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Prairie | 45 min |
| May 21, 6:57 PM MDT | Special Weather Statement | BYZ | Powder River | 63 min |
| May 21, 7:06 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, McCone, Roosevelt, Valley | 54 min |
| May 21, 7:18 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 27 min |
| May 21, 7:33 PM MDT | River Flood Warning | TFX | Blaine | 38 hr |
| May 21, 7:45 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 30 min |
| May 21, 7:49 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Valley | 14 min |
| May 21, 7:49 PM MDT | Special Weather Statement | MSO | 26 min | |
| May 21, 7:58 PM MDT | Special Weather Statement | GGW | Valley | 47 min |
| May 21, 8:07 PM MDT | Special Weather Statement | GGW | 38 min | |
| May 21, 8:14 PM MDT | Special Weather Statement | GGW | Valley | 46 min |
| May 21, 8:16 PM MDT | Mesoscale Discussion | SPC | Carter, Powder River | 89 min |
| May 21, 8:33 PM MDT | Special Weather Statement | GGW | Daniels | 27 min |
| May 21, 8:39 PM MDT | Special Weather Statement | GGW | Valley | 66 min |
| May 21, 8:44 PM MDT | Special Weather Statement | GGW | Daniels | 46 min |
| May 21, 8:53 PM MDT | Special Weather Statement | GGW | 37 min | |
| May 22, 3:22 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 19 hr |
| May 22, 4:08 AM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 17 hr |
| May 22, 4:06 PM MDT | Special Weather Statement | GGW | Wibaux | 39 min |
| May 22, 10:27 PM MDT | Areal Flood Advisory | MSO | Flathead | 24 hr |
| May 22, 10:40 PM MDT | Areal Flood Advisory | MSO | Flathead | 34 hr |
| May 23, 3:18 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 18 hr |
| May 23, 9:00 AM MDT | Areal Flood Warning | MSO | Flathead | 24 hr |
| May 23, 9:16 AM MDT | Areal Flood Advisory | MSO | Lake, Missoula | 24 hr |
| May 23, 9:16 PM MDT | Areal Flood Warning | MSO | Flathead | 18 hr |
| May 24, 4:34 PM MDT | Special Weather Statement | BYZ | Big Horn | 26 min |
| May 24, 5:02 PM MDT | Special Weather Statement | BYZ | Yellowstone | 28 min |
| May 24, 5:57 PM MDT | Special Weather Statement | BYZ | Big Horn | 33 min |
| May 24, 6:27 PM MDT | Special Weather Statement | BYZ | Big Horn | 48 min |
| May 24, 6:36 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 39 min |
| May 24, 7:10 PM MDT | Special Weather Statement | BYZ | Rosebud | 50 min |
| May 24, 7:27 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 63 min |
| May 25, 7:50 AM MDT | Dense Fog Advisory | MSO | Deer Lodge, Flathead, Granite, Lincoln, Powell, Sanders and 1 more | 70 min |
| May 25, 1:54 PM MDT | Special Weather Statement | TFX | Cascade | 36 min |
| May 25, 2:05 PM MDT | Special Weather Statement | TFX | Cascade | 25 min |
| May 25, 2:30 PM MDT | Special Weather Statement | TFX | Cascade | 30 min |
| May 25, 3:08 PM MDT | Special Weather Statement | BYZ | Yellowstone | 37 min |
| May 25, 3:34 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 56 min |
| May 25, 3:46 PM MDT | Special Weather Statement | TFX | Chouteau | 29 min |
| May 25, 3:51 PM MDT | Special Weather Statement | TFX | Chouteau | 24 min |
| May 25, 3:59 PM MDT | Special Weather Statement | TFX | Hill | 31 min |
| May 25, 4:13 PM MDT | Special Weather Statement | TFX | Chouteau | 32 min |
| May 25, 4:26 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 40 min |
| May 25, 5:01 PM MDT | Special Weather Statement | BYZ | Big Horn | 59 min |
| May 25, 5:30 PM MDT | Special Weather Statement | TFX | Fergus | 30 min |
| May 25, 6:10 PM MDT | Special Weather Statement | TFX | Chouteau | 50 min |
| May 25, 7:02 PM MDT | Special Weather Statement | BYZ | Yellowstone | 43 min |
| May 25, 7:06 PM MDT | Special Weather Statement | TFX | Judith Basin | 54 min |
| May 25, 7:32 PM MDT | Special Weather Statement | BYZ | Yellowstone | 43 min |
| May 25, 7:50 PM MDT | Special Weather Statement | BYZ | Yellowstone | 55 min |
| May 25, 7:58 PM MDT | Special Weather Statement | TFX | Fergus | 62 min |
| May 25, 8:02 PM MDT | Special Weather Statement | BYZ | Big Horn | 58 min |
| May 25, 8:04 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 40 min |
| May 25, 9:01 PM MDT | Special Weather Statement | BYZ | Big Horn | 59 min |
| May 26, 2:24 PM MDT | Special Weather Statement | TFX | Teton | 21 min |
| May 26, 2:29 PM MDT | Special Weather Statement | MSO | Lake | 46 min |
| May 26, 2:55 PM MDT | Special Weather Statement | MSO | Missoula | 50 min |
| May 26, 3:06 PM MDT | Special Weather Statement | TFX | Broadwater | 24 min |
| May 26, 4:48 PM MDT | Special Weather Statement | TFX | Cascade | 57 min |
| May 26, 5:23 PM MDT | Special Weather Statement | BYZ | Wheatland | 52 min |
| May 26, 5:46 PM MDT | Special Weather Statement | TFX | Cascade | 59 min |
| May 27, 2:52 PM MDT | Special Weather Statement | BYZ | Musselshell | 53 min |
| May 27, 3:24 PM MDT | Special Weather Statement | BYZ | Yellowstone | 51 min |
| May 27, 3:41 PM MDT | Special Weather Statement | BYZ | Stillwater | 64 min |
| May 27, 4:14 PM MDT | Special Weather Statement | BYZ | Yellowstone | 61 min |
| May 27, 4:15 PM MDT | Special Weather Statement | BYZ | Stillwater | 60 min |
| May 27, 4:22 PM MDT | Special Weather Statement | BYZ | Yellowstone | 53 min |
| May 27, 4:47 PM MDT | Special Weather Statement | BYZ | Yellowstone | 58 min |
| May 27, 5:16 PM MDT | Special Weather Statement | BYZ | Carbon | 29 min |
| May 29, 2:23 PM MDT | Special Weather Statement | MSO | Flathead | 37 min |
| May 29, 2:28 PM MDT | Special Weather Statement | MSO | Lake | 47 min |
| May 30, 2:56 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 42 hr |
| May 30, 8:37 AM MDT | Special Weather Statement | BYZ | Fallon | 53 min |
| May 30, 4:03 PM MDT | Special Weather Statement | BYZ | Carter, Fallon | 57 min |
| May 30, 5:35 PM MDT | Special Weather Statement | BYZ | Carbon | 40 min |
| May 30, 5:45 PM MDT | Special Weather Statement | TFX | Cascade | 30 min |
| May 30, 6:15 PM MDT | Special Weather Statement | TFX | Cascade | 30 min |
| May 30, 6:29 PM MDT | Special Weather Statement | TFX | Cascade | 31 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 | 27 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 5 |
| Special Weather Statement | 108 |
| Flooding | |
| Areal Flood Warning | 11 |
| River Flood Warning | 5 |
| River Flood Watch | 2 |
| Areal Flood Advisory | 5 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Weather Advisory | 6 |
| Wind and dust | |
| Lake Wind Advisory | 10 |
| 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.
- Valley County30
- Phillips County25
- Garfield County19
- Yellowstone County18
- Big Horn County17
- McCone County15
- Petroleum County14
- Fergus County14
- Flathead County12
- Rosebud County11
- Powder River County11
- Stillwater County10
- Carbon County9
- Musselshell County9
- Cascade County8
- Lake County7
- Missoula County6
- Prairie County6
- Blaine County6
- Carter County6
- Chouteau County6
- Daniels County6
- Sanders County5
- Fallon County5
- Powell County4
- Custer County4
- Golden Valley County4
- Roosevelt County4
- Wibaux County4
- Hill County3
- Deer Lodge County3
- Park County3
- Dawson County3
- Richland County3
- Treasure County3
- Granite County2
- Silver Bow County2
- Sweet Grass County2
- Judith Basin County2
- Sheridan County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20152017
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.