Alert archive / Colorado / Red Flag Warnings / 2017
Red Flag Warnings in Colorado, September 2017
9 red flag warnings in September 2017. 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 2017. Tap one for its archive.
- Red Flag Warnings
- 9
- Busiest day
- September 20, 20174 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 18, 10:47 AM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 15 more | 33 hr |
| Sep 18, 12:26 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 31 hr |
| Sep 18, 2:52 PM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Fremont, Huerfano and 6 more | 27 hr |
| Sep 20, 11:26 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 32 hr |
| Sep 20, 1:20 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Douglas, Elbert, Lincoln, Washington | 30 hr |
| Sep 20, 2:58 PM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more | 28 hr |
| Sep 20, 3:10 PM MDT | Red Flag Warning | GJT | Dolores, La Plata, Montezuma, Montrose, San Miguel | 30 hr |
| Sep 21, 9:50 PM MDT | Red Flag Warning | PUB | Crowley, El Paso, Huerfano, Las Animas, Otero, Pueblo | 21 hr |
| Sep 22, 4:58 AM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Douglas, Elbert, Lincoln, Morgan and 1 more | 14 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adams County3
- Arapahoe County3
- Douglas County3
- Elbert County3
- Lincoln County3
- Washington County3
- Crowley County3
- El Paso County3
- Huerfano County3
- Las Animas County3
- Otero County3
- Pueblo County3
- Morgan County2
- Cheyenne County2
- Kit Carson County2
- Yuma County2
- Baca County2
- Bent County2
- Kiowa County2
- Prowers County2
- Boulder County1
- Broomfield County1
- Clear Creek County1
- Denver County1
- Gilpin County1
- Grand County1
- Jefferson County1
- Larimer County1
- Logan County1
- Park County1
- Phillips County1
- Sedgwick County1
- Summit County1
- Weld County1
- Fremont County1
- Teller County1
- Dolores County1
- La Plata County1
- Montezuma County1
- Montrose County1
1 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.