Alert archive / Montana / Severe Thunderstorm Warnings / 2013
Severe Thunderstorm Warnings in Montana, May 2013
46 severe thunderstorm warnings in May 2013. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in May 2013. Tap one for its archive.
- Severe Thunderstorm Warnings
- 46
- Busiest day
- May 26, 201319 severe thunderstorm warnings
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 13, 4:46 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Lake, Missoula, Ravalli | 44 min |
| May 13, 6:11 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Missoula, Ravalli | 49 min |
| May 13, 7:40 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Roosevelt, Valley | 65 min |
| May 18, 4:26 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River, Rosebud | 64 min |
| May 18, 8:23 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 22 min |
| May 22, 12:27 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 33 min |
| May 23, 5:30 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Carbon | 45 min |
| May 23, 6:21 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 39 min |
| May 25, 7:43 AM MDT | Severe Thunderstorm Warning | GGW | Richland, Wibaux | 47 min |
| May 25, 11:41 AM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 49 min |
| May 25, 3:03 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 27 min |
| May 25, 3:03 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 57 min |
| May 25, 3:22 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 38 min |
| May 25, 3:30 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 60 min |
| May 25, 5:08 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 67 min |
| May 25, 5:33 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Roosevelt, Valley | 42 min |
| May 25, 5:38 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 52 min |
| May 25, 6:09 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 66 min |
| May 25, 6:13 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 47 min |
| May 25, 6:14 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Roosevelt, Valley | 61 min |
| May 25, 6:26 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 64 min |
| May 25, 6:34 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 56 min |
| May 25, 7:12 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Garfield, McCone, Richland, Roosevelt, Valley | 63 min |
| May 25, 7:13 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 62 min |
| May 25, 7:26 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Garfield, McCone, Prairie | 64 min |
| May 25, 7:28 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 62 min |
| May 25, 7:47 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 43 min |
| May 25, 8:02 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Garfield, McCone, Prairie, Richland | 58 min |
| May 25, 8:28 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River, Rosebud | 62 min |
| May 26, 2:34 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus, Judith Basin | 41 min |
| May 26, 3:42 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 48 min |
| May 26, 4:01 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Stillwater, Yellowstone | 59 min |
| May 26, 4:30 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Yellowstone | 45 min |
| May 26, 5:03 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Yellowstone | 57 min |
| May 26, 5:13 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum, Phillips | 62 min |
| May 26, 5:56 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 49 min |
| May 26, 6:18 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Phillips, Valley | 57 min |
| May 26, 7:57 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 63 min |
| May 26, 8:30 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure, Yellowstone | 60 min |
| May 26, 8:35 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Valley | 40 min |
| May 26, 8:44 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud, Treasure | 61 min |
| May 26, 9:44 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 61 min |
| May 26, 10:21 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud, Treasure | 39 min |
| May 27, 2:12 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River, Rosebud | 48 min |
| May 27, 2:12 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Powder River | 63 min |
| May 27, 5:04 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 56 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Rosebud County11
- Garfield County9
- McCone County8
- Valley County7
- Powder River County6
- Big Horn County6
- Yellowstone County6
- Carter County6
- Roosevelt County4
- Dawson County4
- Custer County4
- Missoula County3
- Richland County3
- Prairie County3
- Treasure County3
- Granite County2
- Ravalli County2
- Fallon County2
- Fergus County2
- Musselshell County2
- Phillips County2
- Lake County1
- Carbon County1
- Wibaux County1
- Daniels County1
- Chouteau County1
- Judith Basin County1
- Stillwater County1
- Petroleum County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20122014
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.