Alert archive / Montana / Special Weather Statements / 2021
Special Weather Statements in Montana, May 2021
48 special weather statements in May 2021. 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 special weather statements reaches back to 2006.
Special Weather Statements by county
Each county as a circle sized by its count in May 2021. Tap one for its archive.
- Special Weather Statements
- 48
- Busiest day
- May 29, 20218 special weather statements
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, 6:53 PM MDT | Special Weather Statement | TFX | 22 min | |
| May 1, 9:01 PM MDT | Special Weather Statement | BYZ | Yellowstone | 59 min |
| May 5, 11:44 AM MDT | Special Weather Statement | BYZ | Rosebud | 16 min |
| May 7, 2:32 PM MDT | Special Weather Statement | TFX | Beaverhead, Gallatin, Jefferson, Madison | 88 min |
| May 7, 4:21 PM MDT | Special Weather Statement | TFX | Gallatin | 24 min |
| May 7, 4:30 PM MDT | Special Weather Statement | BYZ | Park | 45 min |
| May 7, 5:09 PM MDT | Special Weather Statement | BYZ | Wheatland | 51 min |
| May 7, 7:06 PM MDT | Special Weather Statement | BYZ | Rosebud | 24 min |
| May 7, 8:52 PM MDT | Special Weather Statement | BYZ | Treasure | 23 min |
| May 7, 9:31 PM MDT | Special Weather Statement | GGW | Garfield | 44 min |
| May 13, 6:57 PM MDT | Special Weather Statement | TFX | Liberty | 33 min |
| May 13, 7:39 PM MDT | Special Weather Statement | TFX | Hill | 36 min |
| May 14, 1:23 PM MDT | Special Weather Statement | BYZ | Musselshell | 37 min |
| May 14, 3:37 PM MDT | Special Weather Statement | TFX | Broadwater | 38 min |
| May 14, 4:15 PM MDT | Special Weather Statement | TFX | Broadwater | 30 min |
| May 14, 5:30 PM MDT | Special Weather Statement | TFX | Meagher | 30 min |
| May 16, 5:52 AM MDT | Special Weather Statement | BYZ | Carter | 113 min |
| May 18, 3:41 PM MDT | Special Weather Statement | GGW | Valley | 64 min |
| May 18, 5:06 PM MDT | Special Weather Statement | GGW | McCone | 54 min |
| May 18, 5:08 PM MDT | Special Weather Statement | GGW | Daniels | 52 min |
| May 18, 6:02 PM MDT | Special Weather Statement | GGW | Roosevelt | 58 min |
| May 20, 6:35 AM MDT | Special Weather Statement | TFX | Madison | 40 min |
| May 20, 3:52 PM MDT | Special Weather Statement | BYZ | Powder River | 23 min |
| May 20, 4:24 PM MDT | Special Weather Statement | BYZ | Powder River | 36 min |
| May 20, 5:47 PM MDT | Special Weather Statement | BYZ | Carter | 43 min |
| May 20, 6:11 PM MDT | Special Weather Statement | GGW | Dawson | 49 min |
| May 20, 6:29 PM MDT | Special Weather Statement | TFX | Cascade, Lewis and Clark, Pondera, Teton, Toole | 31 min |
| May 20, 6:31 PM MDT | Special Weather Statement | BYZ | Carter | 44 min |
| May 20, 6:47 PM MDT | Special Weather Statement | TFX | Chouteau, Hill, Liberty | 28 min |
| May 21, 7:36 PM MDT | Special Weather Statement | TFX | Judith Basin | 24 min |
| May 23, 10:42 AM MDT | Special Weather Statement | BYZ | Big Horn | 2 hr |
| May 23, 7:51 PM MDT | Special Weather Statement | BYZ | Rosebud | 24 min |
| May 25, 3:35 PM MDT | Special Weather Statement | TFX | Beaverhead, Madison | 40 min |
| May 25, 5:19 PM MDT | Special Weather Statement | TFX | Beaverhead | 41 min |
| May 28, 3:59 PM MDT | Special Weather Statement | BYZ | Carbon | 31 min |
| May 28, 4:11 PM MDT | Special Weather Statement | BYZ | Yellowstone | 34 min |
| May 28, 4:33 PM MDT | Special Weather Statement | BYZ | 27 min | |
| May 28, 4:46 PM MDT | Special Weather Statement | BYZ | Treasure | 29 min |
| May 28, 5:14 PM MDT | Special Weather Statement | BYZ | Treasure | 31 min |
| May 28, 5:59 PM MDT | Special Weather Statement | BYZ | Big Horn | 31 min |
| May 28, 6:06 PM MDT | Special Weather Statement | BYZ | 24 min | |
| May 28, 6:29 PM MDT | Special Weather Statement | BYZ | Big Horn | 46 min |
| May 28, 6:50 PM MDT | Special Weather Statement | BYZ | Custer, Powder River | 40 min |
| May 28, 7:30 PM MDT | Special Weather Statement | BYZ | Powder River | 45 min |
| May 28, 8:26 PM MDT | Special Weather Statement | BYZ | Powder River | 34 min |
| May 28, 9:09 PM MDT | Special Weather Statement | BYZ | Carter | 36 min |
| May 29, 3:45 PM MDT | Special Weather Statement | GGW | McCone | 45 min |
| May 29, 5:24 PM MDT | Special Weather Statement | GGW | Sheridan | 51 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Powder River County5
- Carter County4
- Rosebud County3
- Beaverhead County3
- Madison County3
- Treasure County3
- Big Horn County3
- Yellowstone County2
- Gallatin County2
- Liberty County2
- Hill County2
- Broadwater County2
- McCone County2
- Jefferson County1
- Park County1
- Wheatland County1
- Garfield County1
- Musselshell County1
- Meagher County1
- Valley County1
- Daniels County1
- Roosevelt County1
- Dawson County1
- Cascade County1
- Lewis and Clark County1
- Pondera County1
- Teton County1
- Toole County1
- Chouteau County1
- Judith Basin County1
- Carbon County1
- Custer County1
- Sheridan County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.