Alert archive / Montana / Red Flag Warnings / 2021
Red Flag Warnings in Montana, August 2021
12 red flag warnings in August 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 red flag warnings reaches back to 2005.
Red Flag Warnings by county
Each county as a circle sized by its count in August 2021. Tap one for its archive.
- Red Flag Warnings
- 12
- Busiest day
- August 7, 20213 red flag 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 |
|---|---|---|---|---|
| Aug 4, 1:21 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Flathead, Granite, Jefferson, Lewis and Clark and 7 more | 35 hr |
| Aug 4, 2:35 PM MDT | Red Flag Warning | TFX | Broadwater, Cascade, Fergus, Gallatin, Jefferson, Judith Basin and 3 more | 33 hr |
| Aug 7, 10:48 AM MDT | Red Flag Warning | TFX | Broadwater, Gallatin, Jefferson, Lewis and Clark, Meagher | 33 hr |
| Aug 7, 1:09 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 30 hr |
| Aug 7, 2:26 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Custer, Gallatin, Golden Valley, Madison and 9 more | 34 hr |
| Aug 9, 12:55 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 8 more | 57 hr |
| Aug 11, 2:32 AM MDT | Red Flag Warning | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 3 more | 19 hr |
| Aug 14, 2:07 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Custer, Gallatin, Golden Valley, Madison and 9 more | 3 days |
| Aug 14, 2:12 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 4 days |
| Aug 14, 2:40 PM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 54 hr |
| Aug 16, 1:24 PM MDT | Red Flag Warning | BYZ | Carter, Fallon | 35 hr |
| Aug 17, 9:47 AM MDT | Red Flag Warning | MSO | Beaverhead, Jefferson, Madison, Silver Bow | 11 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Jefferson County6
- Madison County5
- Gallatin County5
- Lewis and Clark County4
- Powell County4
- Beaverhead County3
- Silver Bow County3
- Broadwater County3
- Meagher County3
- Big Horn County3
- Carbon County3
- Custer County3
- Golden Valley County3
- Musselshell County3
- Park County3
- Powder River County3
- Rosebud County3
- Stillwater County3
- Sweet Grass County3
- Treasure County3
- Yellowstone County3
- Phillips County3
- Deer Lodge County2
- Granite County2
- Cascade County2
- Fergus County2
- Judith Basin County2
- Wheatland County2
- Carter County2
- Fallon County2
- Dawson County2
- Garfield County2
- McCone County2
- Petroleum County2
- Prairie County2
- Richland County2
- Valley County2
- Wibaux County2
- Flathead County1
- Mineral 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. Rebuilt daily.