Alert archive / Colorado / Flash Flood Warnings
Flash Flood Warnings in Colorado, 2012
62 flash flood warnings in 2012. 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 warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Flash Flood Warnings
- 62
- Busiest month
- July41 flash flood warnings
- Busiest day
- July 7, 201210 flash flood warnings
Over time
By month
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 |
|---|---|---|---|---|
| Jun 4, 3:44 PM MDT | Flash Flood Warning | GLD | Kit Carson | 82 min |
| Jun 6, 7:16 PM MDT | Flash Flood Warning | BOU | Arapahoe, Douglas, Elbert | 3 hr |
| Jun 6, 7:30 PM MDT | Flash Flood Warning | PUB | El Paso | 2 hr |
| Jun 6, 8:37 PM MDT | Flash Flood Warning | BOU | Douglas | 3 hr |
| Jun 6, 9:53 PM MDT | Flash Flood Warning | BOU | Larimer | 82 min |
| Jun 6, 10:25 PM MDT | Flash Flood Warning | BOU | Arapahoe, Douglas, Elbert | 3 hr |
| Jun 6, 11:30 PM MDT | Flash Flood Warning | BOU | Douglas | 3 hr |
| Jun 7, 12:52 AM MDT | Flash Flood Warning | BOU | Arapahoe, Denver, Jefferson | 3 hr |
| Jun 7, 8:45 PM MDT | Flash Flood Warning | PUB | El Paso | 2 hr |
| Jun 27, 4:10 PM MDT | Flash Flood Warning | BOU | Larimer | 2 hr |
| Jun 28, 3:18 PM MDT | Flash Flood Warning | BOU | Larimer | 87 min |
| Jul 5, 4:17 PM MDT | Flash Flood Warning | BOU | Boulder | 118 min |
| Jul 6, 1:06 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Jul 6, 3:36 PM MDT | Flash Flood Warning | BOU | Douglas | 2 hr |
| Jul 6, 5:38 PM MDT | Flash Flood Warning | BOU | Larimer | 103 min |
| Jul 6, 8:56 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Jul 6, 9:06 PM MDT | Flash Flood Warning | BOU | Boulder | 97 min |
| Jul 7, 3:41 PM MDT | Flash Flood Warning | BOU | Boulder | 94 min |
| Jul 7, 3:45 PM MDT | Flash Flood Warning | BOU | Boulder | 90 min |
| Jul 7, 3:57 PM MDT | Flash Flood Warning | BOU | Clear Creek | 93 min |
| Jul 7, 4:21 PM MDT | Flash Flood Warning | GJT | Gunnison, Pitkin | 3 hr |
| Jul 7, 4:45 PM MDT | Flash Flood Warning | GJT | Garfield | 3 hr |
| Jul 7, 4:53 PM MDT | Flash Flood Warning | BOU | Boulder | 106 min |
| Jul 7, 5:07 PM MDT | Flash Flood Warning | GJT | Garfield, Mesa | 3 hr |
| Jul 7, 5:50 PM MDT | Flash Flood Warning | GJT | Moffat, Routt | 3 hr |
| Jul 8, 5:55 PM MDT | Flash Flood Warning | PUB | El Paso | 112 min |
| Jul 9, 1:45 PM MDT | Flash Flood Warning | PUB | El Paso | 2 hr |
| Jul 11, 6:56 PM MDT | Flash Flood Warning | GJT | La Plata | 3 hr |
| Jul 16, 12:54 PM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| Jul 16, 1:20 PM MDT | Flash Flood Warning | PUB | El Paso | 2 hr |
| Jul 16, 1:43 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Jul 16, 2:31 PM MDT | Flash Flood Warning | BOU | Jefferson, Park | 51 min |
| Jul 16, 4:34 PM MDT | Flash Flood Warning | BOU | Boulder | 49 min |
| Jul 17, 5:05 PM MDT | Flash Flood Warning | GLD | Yuma | 3 hr |
| Jul 23, 2:56 PM MDT | Flash Flood Warning | GJT | Ouray, San Miguel | 3 hr |
| Jul 23, 5:49 PM MDT | Flash Flood Warning | GJT | Garfield, Rio Blanco | 3 hr |
| Jul 23, 6:09 PM MDT | Flash Flood Warning | GJT | Garfield | 3 hr |
| Jul 24, 7:16 PM MDT | Flash Flood Warning | GJT | Eagle, Routt | 3 hr |
| Jul 24, 7:46 PM MDT | Flash Flood Warning | GJT | Eagle | 3 hr |
| Jul 27, 1:07 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Jul 28, 12:24 PM MDT | Flash Flood Warning | GJT | San Miguel | 3 hr |
| Jul 30, 3:27 PM MDT | Flash Flood Warning | BOU | Boulder | 78 min |
| Jul 30, 5:18 PM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| Jul 30, 5:37 PM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| Jul 30, 6:20 PM MDT | Flash Flood Warning | PUB | El Paso | 2 hr |
| Jul 30, 8:06 PM MDT | Flash Flood Warning | PUB | El Paso | 114 min |
| Jul 30, 9:04 PM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| Jul 30, 10:02 PM MDT | Flash Flood Warning | PUB | El Paso | 118 min |
| Jul 30, 11:55 PM MDT | Flash Flood Warning | PUB | El Paso | 2 hr |
| Jul 31, 1:54 AM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| Jul 31, 2:23 PM MDT | Flash Flood Warning | GJT | Ouray, San Miguel | 3 hr |
| Jul 31, 5:21 PM MDT | Flash Flood Warning | GJT | Mesa | 85 min |
| Jul 31, 6:37 PM MDT | Flash Flood Warning | GJT | Delta, Mesa, Montrose | 3 hr |
| Jul 31, 6:57 PM MDT | Flash Flood Warning | PUB | Custer, Fremont | 3 hr |
| Aug 1, 1:38 PM MDT | Flash Flood Warning | BOU | Larimer | 82 min |
| Aug 23, 1:33 PM MDT | Flash Flood Warning | GJT | Montezuma | 3 hr |
| Aug 23, 8:13 PM MDT | Flash Flood Warning | GJT | Mesa | 6 hr |
| Aug 23, 8:24 PM MDT | Flash Flood Warning | GJT | Eagle, Garfield, Gunnison, Mesa, Pitkin | 3 hr |
| Aug 24, 6:18 PM MDT | Flash Flood Warning | GJT | Mesa | 56 min |
| Sep 12, 8:47 AM MDT | Flash Flood Warning | PUB | El Paso | 6 hr |
| Sep 26, 5:46 PM MDT | Flash Flood Warning | BOU | Weld | 2 hr |
| Sep 26, 6:48 PM MDT | Flash Flood Warning | BOU | Weld | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- El Paso County15
- Larimer County9
- Boulder County7
- Mesa County6
- Douglas County5
- Garfield County5
- Arapahoe County3
- San Miguel County3
- Eagle County3
- Elbert County2
- Jefferson County2
- Gunnison County2
- Pitkin County2
- Routt County2
- Ouray County2
- Weld County2
- Kit Carson County1
- Denver County1
- Clear Creek County1
- Moffat County1
- La Plata County1
- Park County1
- Yuma County1
- Rio Blanco County1
- Delta County1
- Montrose County1
- Custer County1
- Fremont County1
- Montezuma County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.