Alert archive / Montana / 2006
Weather alerts in Montana, May 2006
68 weather alerts in May 2006, 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 2006. Tap one for its archive.
- Alerts
- 68
- Warnings
- 30
- Watches
- 8
- Advisories
- 15
- Busiest day
- May 23, 200614 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 |
|---|---|---|---|---|
| Apr 30, 9:47 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Valley | 14 hr |
| May 1, 6:46 AM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 15 hr |
| May 1, 2:59 PM MDT | Wind Advisory | MSO | Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow | 9 hr |
| May 1, 3:01 PM MDT | Snow Advisory | MSO | Flathead, Lake, Lincoln, Sanders | 17 hr |
| May 1, 3:13 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 53 hr |
| May 2, 6:27 PM MDT | High Wind Warning | GGW | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more | 5 hr |
| May 7, 3:01 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 30 hr |
| May 9, 9:33 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 12 hr |
| May 10, 3:11 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 12 hr |
| May 13, 2:50 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 15 hr |
| May 17, 3:53 PM MDT | Flood Watch | BYZ | Park | 5 days |
| May 18, 1:24 PM MDT | Mesoscale Discussion | SPC | Ravalli | 2 hr |
| May 19, 5:03 PM MDT | Mesoscale Discussion | SPC | Mineral, Sanders | 117 min |
| May 19, 5:05 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carter, Powder River | 85 min |
| May 19, 6:47 PM MDT | Mesoscale Discussion | SPC | Mineral, Sanders | 88 min |
| May 20, 3:34 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 24 hr |
| May 20, 11:42 AM MDT | Mesoscale Discussion | SPC | Big Horn, Broadwater, Carbon, Cascade, Chouteau, Fergus and 16 more | 2 hr |
| May 20, 12:24 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Broadwater, Carbon, Cascade, Chouteau, Fergus and 16 more | 8 hr |
| May 20, 2:41 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 64 min |
| May 20, 2:53 PM MDT | Mesoscale Discussion | SPC | Big Horn, Broadwater, Carbon, Cascade, Fergus, Gallatin and 13 more | 2 hr |
| May 20, 3:15 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 30 min |
| May 20, 3:45 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 35 min |
| May 20, 4:23 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 67 min |
| May 20, 5:05 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 25 min |
| May 20, 5:18 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 42 min |
| May 20, 6:04 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carbon, Carter, Custer, Garfield, Golden Valley and 12 more | 86 min |
| May 21, 2:09 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carbon, Powder River, Stillwater, Yellowstone | 2 hr |
| May 21, 3:20 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 40 min |
| May 21, 7:40 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 65 min |
| May 21, 8:17 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 43 min |
| May 22, 2:41 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 11 hr |
| May 22, 3:14 PM MDT | Mesoscale Discussion | SPC | Mineral, Sanders | 2 hr |
| May 22, 3:43 PM MDT | Severe Thunderstorm Warning | MSO | Lincoln, Sanders | 62 min |
| May 22, 3:43 PM MDT | Severe Thunderstorm Warning | MSO | Lincoln, Sanders | 62 min |
| May 22, 3:49 PM MDT | Severe Thunderstorm Watch | SPC | Flathead, Lake, Lincoln, Mineral, Sanders | 6 hr |
| May 22, 4:44 PM MDT | Severe Thunderstorm Warning | MSO | Lincoln | 61 min |
| May 22, 5:50 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carter, Custer, Musselshell, Powder River, Rosebud and 2 more | 2 hr |
| May 22, 6:25 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Lewis and Clark | 65 min |
| May 22, 6:27 PM MDT | Mesoscale Discussion | SPC | Flathead, Lincoln, Mineral, Sanders | 2 hr |
| May 22, 9:14 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 61 min |
| May 22, 10:47 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 43 min |
| May 23, 3:53 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 16 hr |
| May 23, 1:25 PM MDT | Mesoscale Discussion | SPC | Dawson, Richland, Roosevelt, Sheridan, Wibaux | 2 hr |
| May 23, 2:42 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Valley | 63 min |
| May 23, 2:58 PM MDT | Severe Thunderstorm Watch | SPC | Custer, Daniels, Dawson, Fallon, Garfield, McCone and 6 more | 6 hr |
| May 23, 3:03 PM MDT | Flood Watch | BYZ | Park | 66 hr |
| May 23, 3:30 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 60 min |
| May 23, 4:23 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 67 min |
| May 23, 4:34 PM MDT | Flash Flood Warning | GGW | McCone, Prairie | 3 hr |
| May 23, 4:56 PM MDT | Flash Flood Warning | GGW | Valley | 3 hr |
| May 23, 5:25 PM MDT | Mesoscale Discussion | SPC | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 2 more | 2 hr |
| May 23, 7:29 PM MDT | Flash Flood Warning | GGW | McCone | 2 hr |
| May 24, 3:44 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 16 hr |
| May 25, 3:40 PM MDT | Winter Storm Watch | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 37 hr |
| May 25, 8:00 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 60 min |
| May 25, 8:38 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie, Richland | 67 min |
| May 25, 8:58 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Fallon | 47 min |
| May 26, 2:56 AM MDT | Winter Storm Watch | TFX | 24 hr | |
| May 26, 2:11 PM MDT | Winter Storm Watch | MSO | Deer Lodge, Granite, Lake, Missoula, Powell, Ravalli and 1 more | 20 hr |
| May 27, 2:58 AM MDT | Winter Storm Warning | TFX | 9 min | |
| May 27, 3:07 AM MDT | Heavy Snow Warning | TFX | 44 hr | |
| May 27, 4:21 AM MDT | Heavy Snow Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 11 hr |
| May 27, 9:47 AM MDT | Heavy Snow Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more | 26 hr |
| May 27, 10:14 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 18 hr |
| May 27, 5:53 PM MDT | Mesoscale Discussion | SPC | Carter | 2 hr |
| May 27, 10:27 PM MDT | Mesoscale Discussion | SPC | Dawson, McCone, Prairie, Richland, Roosevelt, Sheridan and 1 more | 2 hr |
| May 28, 3:01 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 29 hr |
| May 30, 4:54 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 51 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 | 22 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 15 |
| Flooding | |
| Flash Flood Warning | 3 |
| Flood Watch | 2 |
| Winter | |
| Heavy Snow Warning | 3 |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 3 |
| Snow Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| Lake Wind Advisory | 13 |
| Wind Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- McCone County21
- Valley County19
- Garfield County15
- Petroleum County14
- Phillips County13
- Sanders County10
- Stillwater County8
- Lincoln County7
- Prairie County7
- Park County7
- Big Horn County7
- Carbon County7
- Dawson County6
- Richland County6
- Roosevelt County6
- Mineral County6
- Powder River County6
- Sweet Grass County6
- Treasure County6
- Yellowstone County6
- Rosebud County6
- Flathead County5
- Lake County5
- Daniels County5
- Sheridan County5
- Wibaux County5
- Fergus County5
- Musselshell County5
- Wheatland County5
- Custer County5
- Ravalli County4
- Carter County4
- Cascade County4
- Chouteau County4
- Golden Valley County4
- Deer Lodge County3
- Granite County3
- Missoula County3
- Powell County3
- Silver Bow County3
Nearby
Alerts in force nowTornadoes on recordThe radar archive20052007
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.