Alert archive / Colorado / Red Flag Warnings / 2024
Red Flag Warnings in Colorado, September 2024
7 red flag warnings in September 2024. 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 September 2024. Tap one for its archive.
- Red Flag Warnings
- 7
- Busiest day
- September 11, 20245 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 |
|---|---|---|---|---|
| Sep 2, 3:53 AM MDT | Red Flag Warning | BOU | Adams, Arapahoe | 16 hr |
| Sep 11, 2:11 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 18 hr |
| Sep 11, 2:23 AM MDT | Red Flag Warning | GJT | Eagle, Garfield, Mesa, Moffat, Pitkin, Rio Blanco | 42 hr |
| Sep 11, 1:28 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 31 hr |
| Sep 11, 2:14 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 16 more | 30 hr |
| Sep 11, 2:42 PM MDT | Red Flag Warning | PUB | Bent, Crowley, El Paso, Huerfano, Kiowa, Las Animas and 2 more | 29 hr |
| Sep 29, 2:15 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 16 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cheyenne County3
- Kit Carson County3
- Yuma County3
- Adams County2
- Arapahoe County2
- Eagle County1
- Garfield County1
- Mesa County1
- Moffat County1
- Pitkin County1
- Rio Blanco County1
- Boulder County1
- Broomfield County1
- Clear Creek County1
- Denver County1
- Douglas County1
- Elbert County1
- Gilpin County1
- Grand County1
- Jackson County1
- Jefferson County1
- Larimer County1
- Lincoln County1
- Logan County1
- Morgan County1
- Park County1
- Phillips County1
- Sedgwick County1
- Summit County1
- Washington County1
- Weld County1
- Bent County1
- Crowley County1
- El Paso County1
- Huerfano County1
- Kiowa County1
- Las Animas County1
- Otero County1
- Pueblo County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20232025
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.