Alert archive / Colorado / Flash Flood Watches / 2011
Flash Flood Watches in Colorado, August 2011
5 flash flood watches in August 2011. 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 flash flood watches reaches back to 2005.
Flash Flood Watches by county
Each county as a circle sized by its count in August 2011. Tap one for its archive.
- Flash Flood Watches
- 5
- Busiest day
- August 2, 20113 flash flood watches
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 2, 3:49 AM MDT | Flash Flood Watch | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 23 hr |
| Aug 2, 4:17 AM MDT | Flash Flood Watch | BOU | Arapahoe, Boulder, Clear Creek, Douglas, Elbert, Gilpin and 5 more | 16 hr |
| Aug 2, 4:40 AM MDT | Flash Flood Watch | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 8 more | 16 hr |
| Aug 3, 5:26 AM MDT | Flash Flood Watch | PUB | Custer, El Paso, Fremont, Huerfano, Pueblo, Teller | 16 hr |
| Aug 4, 4:36 AM MDT | Flash Flood Watch | PUB | Custer, El Paso, Fremont, Huerfano, Las Animas, Teller | 15 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Custer County3
- El Paso County3
- Fremont County3
- Huerfano County3
- Teller County3
- Las Animas County2
- Pueblo County2
- Alamosa County1
- Chaffee County1
- Conejos County1
- Costilla County1
- Lake County1
- Mineral County1
- Rio Grande County1
- Saguache County1
- Arapahoe County1
- Boulder County1
- Clear Creek County1
- Douglas County1
- Elbert County1
- Gilpin County1
- Grand County1
- Jefferson County1
- Larimer County1
- Park County1
- Summit County1
- Archuleta County1
- Delta County1
- Dolores County1
- Eagle County1
- Garfield County1
- Gunnison County1
- Hinsdale County1
- La Plata County1
- Montezuma County1
- Montrose County1
- Ouray County1
- Pitkin County1
- San Juan County1
- San Miguel County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.