Alert archive / Colorado / Freeze Warnings / 2009
Freeze Warnings in Colorado, September 2009
5 freeze warnings in September 2009. 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 freeze warnings reaches back to 2005.
Freeze Warnings by county
Each county as a circle sized by its count in September 2009. Tap one for its archive.
- Freeze Warnings
- 5
- Busiest day
- September 21, 20092 freeze 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 20, 3:17 PM MDT | Freeze Warning | GJT | Moffat, Rio Blanco, Routt | 14 hr |
| Sep 21, 2:51 AM MDT | Freeze Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 9 more | 30 hr |
| Sep 21, 3:29 PM MDT | Freeze Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 18 hr |
| Sep 21, 9:21 PM MDT | Freeze Warning | BOU | Arapahoe, Douglas, Elbert, Lincoln | 7 hr |
| Sep 30, 2:55 PM MDT | Freeze Warning | GJT | Delta, Dolores, Eagle, Garfield, Gunnison, Mesa and 4 more | 18 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Moffat County2
- Rio Blanco County2
- Routt County2
- Delta County2
- Dolores County2
- Eagle County2
- Garfield County2
- Gunnison County2
- Mesa County2
- Montezuma County2
- Montrose County2
- Pitkin County2
- San Miguel County2
- Archuleta County1
- La Plata County1
- Alamosa County1
- Conejos County1
- Costilla County1
- Rio Grande County1
- Saguache County1
- Arapahoe County1
- Douglas County1
- Elbert County1
- Lincoln County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.