Alert archive / Colorado / Flash Flood Warnings
Flash Flood Warnings in Colorado, 2018
106 flash flood warnings in 2018. 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 2018. Tap one for its archive.
- Flash Flood Warnings
- 106
- Busiest month
- July66 flash flood warnings
- Busiest day
- July 24, 201815 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 |
|---|---|---|---|---|
| May 18, 3:47 PM MDT | Flash Flood Warning | PUB | El Paso | 94 min |
| May 18, 4:08 PM MDT | Flash Flood Warning | BOU | Boulder | 64 min |
| May 18, 9:26 PM MDT | Flash Flood Warning | GLD | Kit Carson | 4 hr |
| May 28, 2:05 PM MDT | Flash Flood Warning | BOU | Jackson | 85 min |
| May 29, 12:34 AM MDT | Flash Flood Warning | GLD | Kit Carson, Yuma | 6 hr |
| May 29, 1:53 AM MDT | Flash Flood Warning | GLD | Kit Carson | 5 hr |
| Jun 6, 10:06 PM MDT | Flash Flood Warning | GLD | Yuma | 4 hr |
| Jun 17, 5:44 AM MDT | Flash Flood Warning | GJT | La Plata | 4 hr |
| Jun 17, 5:55 AM MDT | Flash Flood Warning | GJT | La Plata | 3 hr |
| Jun 18, 10:57 PM MDT | Flash Flood Warning | BOU | Morgan, Weld | 3 hr |
| Jun 19, 1:11 AM MDT | Flash Flood Warning | BOU | Morgan, Weld | 5 hr |
| Jun 19, 2:36 PM MDT | Flash Flood Warning | BOU | Morgan, Weld | 114 min |
| Jun 19, 5:50 PM MDT | Flash Flood Warning | GLD | Kit Carson, Yuma | 118 min |
| Jun 19, 6:57 PM MDT | Flash Flood Warning | GLD | Yuma | 3 hr |
| Jul 4, 6:02 PM MDT | Flash Flood Warning | BOU | Larimer | 69 min |
| Jul 5, 1:34 PM MDT | Flash Flood Warning | BOU | Park | 66 min |
| Jul 5, 3:02 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 5 hr |
| Jul 5, 3:19 PM MDT | Flash Flood Warning | BOU | Douglas, Jefferson | 115 min |
| Jul 5, 3:46 PM MDT | Flash Flood Warning | PUB | Custer, Fremont | 103 min |
| Jul 6, 2:58 PM MDT | Flash Flood Warning | GJT | La Plata | 2 hr |
| Jul 7, 1:43 PM MDT | Flash Flood Warning | GJT | La Plata | 3 hr |
| Jul 11, 12:37 PM MDT | Flash Flood Warning | PUB | Huerfano | 2 hr |
| Jul 11, 12:50 PM MDT | Flash Flood Warning | GJT | La Plata | 6 hr |
| Jul 11, 2:21 PM MDT | Flash Flood Warning | GJT | San Miguel | 3 hr |
| Jul 13, 1:03 PM MDT | Flash Flood Warning | GJT | La Plata | 5 hr |
| Jul 13, 1:07 PM MDT | Flash Flood Warning | GJT | La Plata | 5 hr |
| Jul 13, 1:10 PM MDT | Flash Flood Warning | GJT | La Plata | 5 hr |
| Jul 13, 3:26 PM MDT | Flash Flood Warning | GJT | San Miguel | 3 hr |
| Jul 15, 11:46 AM MDT | Flash Flood Warning | GJT | La Plata | 119 min |
| Jul 15, 1:50 PM MDT | Flash Flood Warning | GJT | San Miguel | 115 min |
| Jul 15, 2:09 PM MDT | Flash Flood Warning | GJT | Montrose, Ouray, San Miguel | 3 hr |
| Jul 15, 3:44 PM MDT | Flash Flood Warning | PUB | Custer, Fremont, Pueblo | 3 hr |
| Jul 15, 4:42 PM MDT | Flash Flood Warning | PUB | Custer, Fremont, Pueblo | 3 hr |
| Jul 15, 11:44 PM MDT | Flash Flood Warning | PUB | Huerfano | 3 hr |
| Jul 16, 1:56 AM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Jul 16, 1:26 PM MDT | Flash Flood Warning | GJT | La Plata | 4 hr |
| Jul 17, 5:01 PM MDT | Flash Flood Warning | GJT | La Plata | 4 hr |
| Jul 21, 4:16 PM MDT | Flash Flood Warning | PUB | Custer, Fremont, Pueblo | 2 hr |
| Jul 22, 12:59 PM MDT | Flash Flood Warning | GJT | La Plata | 3 hr |
| Jul 22, 6:38 PM MDT | Flash Flood Warning | GLD | Cheyenne | 3 hr |
| Jul 22, 9:11 PM MDT | Flash Flood Warning | BOU | Lincoln | 3 hr |
| Jul 22, 10:14 PM MDT | Flash Flood Warning | GLD | Kit Carson, Yuma | 3 hr |
| Jul 23, 4:07 PM MDT | Flash Flood Warning | PUB | El Paso, Teller | 3 hr |
| Jul 23, 4:22 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Jul 23, 4:47 PM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| Jul 23, 6:11 PM MDT | Flash Flood Warning | PUB | Pueblo | 110 min |
| Jul 23, 6:21 PM MDT | Flash Flood Warning | PUB | Custer, Fremont, Pueblo | 114 min |
| Jul 23, 7:38 PM MDT | Flash Flood Warning | PUB | Bent, Crowley, Otero | 3 hr |
| Jul 23, 8:14 PM MDT | Flash Flood Warning | PUB | Custer, Fremont, Pueblo | 61 min |
| Jul 23, 8:53 PM MDT | Flash Flood Warning | PUB | Bent, Prowers | 3 hr |
| Jul 23, 9:12 PM MDT | Flash Flood Warning | PUB | Kiowa, Prowers | 3 hr |
| Jul 23, 10:02 PM MDT | Flash Flood Warning | PUB | Fremont, Pueblo | 104 min |
| Jul 24, 1:41 PM MDT | Flash Flood Warning | GJT | La Plata | 4 hr |
| Jul 24, 2:09 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Jul 24, 3:07 PM MDT | Flash Flood Warning | PUB | El Paso | 90 min |
| Jul 24, 3:28 PM MDT | Flash Flood Warning | PUB | Custer, Fremont, Saguache | 2 hr |
| Jul 24, 3:49 PM MDT | Flash Flood Warning | PUB | El Paso, Teller | 51 min |
| Jul 24, 5:06 PM MDT | Flash Flood Warning | PUB | Teller | 2 hr |
| Jul 24, 5:30 PM MDT | Flash Flood Warning | PUB | Custer, Fremont | 105 min |
| Jul 24, 5:56 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Jul 24, 6:41 PM MDT | Flash Flood Warning | BOU | Adams, Arapahoe, Denver | 2 hr |
| Jul 24, 9:27 PM MDT | Flash Flood Warning | BOU | Morgan | 3 hr |
| Jul 25, 12:53 PM MDT | Flash Flood Warning | GJT | Dolores, La Plata, Montezuma, San Juan | 5 hr |
| Jul 25, 5:17 PM MDT | Flash Flood Warning | PUB | El Paso, Teller | 87 min |
| Jul 25, 8:53 PM MDT | Flash Flood Warning | PUB | Baca, Bent, Las Animas, Prowers | 3 hr |
| Jul 26, 12:02 AM MDT | Flash Flood Warning | PUB | Bent, Las Animas, Otero, Prowers | 3 hr |
| Jul 26, 3:55 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 101 min |
| Jul 26, 4:30 PM MDT | Flash Flood Warning | GLD | Yuma | 2 hr |
| Jul 26, 4:31 PM MDT | Flash Flood Warning | PUB | El Paso | 89 min |
| Jul 26, 6:01 PM MDT | Flash Flood Warning | GLD | Kit Carson | 3 hr |
| Jul 26, 6:09 PM MDT | Flash Flood Warning | PUB | Custer, Pueblo | 3 hr |
| Jul 26, 7:11 PM MDT | Flash Flood Warning | GLD | Cheyenne | 3 hr |
| Jul 27, 12:26 PM MDT | Flash Flood Warning | GJT | La Plata | 5 hr |
| Jul 27, 1:49 PM MDT | Flash Flood Warning | PUB | Huerfano | 3 hr |
| Jul 27, 2:51 PM MDT | Flash Flood Warning | PUB | Custer, Pueblo | 105 min |
| Jul 27, 5:34 PM MDT | Flash Flood Warning | GLD | Kit Carson, Yuma | 3 hr |
| Jul 28, 4:52 PM MDT | Flash Flood Warning | GJT | Eagle | 3 hr |
| Jul 28, 7:00 PM MDT | Flash Flood Warning | GLD | Yuma | 3 hr |
| Jul 28, 7:58 PM MDT | Flash Flood Warning | GLD | Yuma | 103 min |
| Jul 29, 6:23 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 82 min |
| Aug 1, 4:55 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Aug 6, 3:33 PM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| Aug 7, 12:25 AM MDT | Flash Flood Warning | PUB | Pueblo | 2 hr |
| Aug 7, 2:18 AM MDT | Flash Flood Warning | PUB | Baca, Las Animas | 3 hr |
| Aug 8, 1:23 PM MDT | Flash Flood Warning | PUB | Huerfano | 2 hr |
| Aug 8, 2:52 PM MDT | Flash Flood Warning | PUB | Las Animas | 53 min |
| Aug 10, 4:23 PM MDT | Flash Flood Warning | GJT | La Plata | 99 min |
| Aug 12, 3:38 PM MDT | Flash Flood Warning | GJT | Montezuma | 117 min |
| Aug 14, 1:30 PM MDT | Flash Flood Warning | GJT | La Plata | 2 hr |
| Aug 14, 5:56 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 2 hr |
| Aug 14, 6:29 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Aug 14, 9:29 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 61 min |
| Aug 15, 4:01 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Aug 15, 4:09 PM MDT | Flash Flood Warning | PUB | Custer, Fremont, Pueblo | 3 hr |
| Aug 16, 5:00 PM MDT | Flash Flood Warning | PUB | Fremont, Pueblo | 90 min |
| Aug 17, 3:58 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 5 hr |
| Aug 17, 4:41 PM MDT | Flash Flood Warning | BOU | Morgan, Weld | 3 hr |
| Aug 17, 6:32 PM MDT | Flash Flood Warning | BOU | Washington | 3 hr |
| Aug 21, 3:41 PM MDT | Flash Flood Warning | GJT | Mesa, Montrose | 3 hr |
| Aug 21, 6:49 PM MDT | Flash Flood Warning | GJT | Eagle | 3 hr |
| Aug 22, 2:05 PM MDT | Flash Flood Warning | GJT | La Plata | 3 hr |
| Aug 22, 3:16 PM MDT | Flash Flood Warning | GJT | Mesa | 69 min |
| Aug 25, 7:28 PM MDT | Flash Flood Warning | GLD | Yuma | 3 hr |
| Sep 6, 12:59 PM MDT | Flash Flood Warning | GJT | La Plata | 3 hr |
| Sep 6, 3:57 PM MDT | Flash Flood Warning | GJT | La Plata | 3 hr |
| Sep 6, 4:12 PM MDT | Flash Flood Warning | PUB | Custer, Fremont | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- La Plata County20
- Huerfano County17
- Costilla County13
- Custer County12
- Fremont County12
- Pueblo County12
- Yuma County10
- El Paso County8
- Kit Carson County7
- Morgan County5
- Weld County4
- San Miguel County4
- Teller County4
- Bent County4
- Prowers County4
- Las Animas County4
- Montrose County2
- Cheyenne County2
- Otero County2
- Montezuma County2
- Baca County2
- Eagle County2
- Mesa County2
- Boulder County1
- Jackson County1
- Larimer County1
- Park County1
- Douglas County1
- Jefferson County1
- Ouray County1
- Lincoln County1
- Crowley County1
- Kiowa County1
- Saguache County1
- Adams County1
- Arapahoe County1
- Denver County1
- Dolores County1
- San Juan County1
- Washington County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.