Alert archive / Colorado / Flash Flood Warnings
Flash Flood Warnings in Colorado, 2020
82 flash flood warnings in 2020. 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 2020. Tap one for its archive.
- Flash Flood Warnings
- 82
- Busiest month
- July43 flash flood warnings
- Busiest day
- July 27, 20207 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 19, 8:45 PM MDT | Flash Flood Warning | PUB | Crowley, Kiowa, Otero | 114 min |
| May 29, 5:40 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| May 29, 5:56 PM MDT | Flash Flood Warning | PUB | Huerfano | 3 hr |
| May 30, 12:29 PM MDT | Flash Flood Warning | BOU | Park | 84 min |
| May 30, 3:32 PM MDT | Flash Flood Warning | PUB | Fremont, Teller | 3 hr |
| May 30, 4:13 PM MDT | Flash Flood Warning | PUB | El Paso, Pueblo | 3 hr |
| May 30, 5:07 PM MDT | Flash Flood Warning | PUB | Pueblo | 3 hr |
| May 30, 5:36 PM MDT | Flash Flood Warning | PUB | Pueblo | 3 hr |
| Jun 1, 2:37 PM MDT | Flash Flood Warning | PUB | Custer, Fremont, Saguache | 3 hr |
| Jun 2, 4:18 PM MDT | Flash Flood Warning | GLD | Kit Carson | 100 min |
| Jun 2, 5:55 PM MDT | Flash Flood Warning | GLD | Kit Carson | 3 hr |
| Jun 6, 2:34 PM MDT | Flash Flood Warning | PUB | Chaffee, Fremont, Saguache | 83 min |
| Jun 23, 3:35 PM MDT | Flash Flood Warning | PUB | El Paso, Teller | 95 min |
| Jun 23, 5:16 PM MDT | Flash Flood Warning | PUB | El Paso | 117 min |
| Jun 24, 2:27 PM MDT | Flash Flood Warning | PUB | Huerfano | 3 hr |
| Jun 24, 5:29 PM MDT | Flash Flood Warning | PUB | Huerfano | 3 hr |
| Jun 25, 3:38 PM MDT | Flash Flood Warning | PUB | Chaffee, Fremont, Saguache | 3 hr |
| Jun 25, 4:41 PM MDT | Flash Flood Warning | PUB | Huerfano | 3 hr |
| Jun 25, 5:21 PM MDT | Flash Flood Warning | PUB | Prowers | 3 hr |
| Jun 26, 4:34 PM MDT | Flash Flood Warning | PUB | El Paso | 100 min |
| Jun 26, 5:26 PM MDT | Flash Flood Warning | BOU | Arapahoe, Denver, Jefferson | 51 min |
| Jul 2, 3:54 PM MDT | Flash Flood Warning | PUB | Kiowa | 3 hr |
| Jul 2, 4:31 PM MDT | Flash Flood Warning | GLD | Kit Carson | 2 hr |
| Jul 3, 7:34 PM MDT | Flash Flood Warning | GLD | Kit Carson | 99 min |
| Jul 3, 8:19 PM MDT | Flash Flood Warning | GLD | Yuma | 58 min |
| Jul 3, 8:38 PM MDT | Flash Flood Warning | GLD | Cheyenne | 36 min |
| Jul 4, 3:42 PM MDT | Flash Flood Warning | PUB | Huerfano | 5 hr |
| Jul 4, 4:15 PM MDT | Flash Flood Warning | BOU | Arapahoe | 2 hr |
| Jul 4, 5:38 PM MDT | Flash Flood Warning | PUB | Huerfano | 100 min |
| Jul 4, 6:02 PM MDT | Flash Flood Warning | PUB | Bent, Crowley, Otero | 3 hr |
| Jul 12, 7:07 PM MDT | Flash Flood Warning | GLD | Cheyenne | 3 hr |
| Jul 14, 3:56 PM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| Jul 15, 2:13 PM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| Jul 15, 2:48 PM MDT | Flash Flood Warning | PUB | El Paso, Fremont, Teller | 2 hr |
| Jul 15, 3:06 PM MDT | Flash Flood Warning | PUB | Fremont | 99 min |
| Jul 15, 3:18 PM MDT | Flash Flood Warning | PUB | El Paso | 104 min |
| Jul 15, 3:38 PM MDT | Flash Flood Warning | PUB | El Paso, Pueblo | 108 min |
| Jul 15, 4:17 PM MDT | Flash Flood Warning | PUB | Pueblo | 118 min |
| Jul 15, 6:34 PM MDT | Flash Flood Warning | PUB | Otero | 117 min |
| Jul 18, 2:38 PM MDT | Flash Flood Warning | PUB | Huerfano | 3 hr |
| Jul 18, 3:36 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 118 min |
| Jul 19, 1:29 PM MDT | Flash Flood Warning | PUB | Chaffee, Fremont, Saguache | 2 hr |
| Jul 20, 3:24 PM MDT | Flash Flood Warning | PUB | El Paso, Pueblo | 2 hr |
| Jul 20, 4:18 PM MDT | Flash Flood Warning | BOU | Larimer, Weld | 3 hr |
| Jul 21, 1:53 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 119 min |
| Jul 21, 5:37 PM MDT | Flash Flood Warning | PUB | Pueblo | 113 min |
| Jul 23, 8:56 PM MDT | Flash Flood Warning | GLD | Yuma | 3 hr |
| Jul 23, 10:59 PM MDT | Flash Flood Warning | GLD | Yuma | 6 hr |
| Jul 26, 12:47 PM MDT | Flash Flood Warning | BOU | Jefferson, Park | 2 hr |
| Jul 26, 1:52 PM MDT | Flash Flood Warning | PUB | Las Animas | 2 hr |
| Jul 26, 3:07 PM MDT | Flash Flood Warning | PUB | Huerfano | 113 min |
| Jul 26, 3:32 PM MDT | Flash Flood Warning | PUB | Huerfano | 113 min |
| Jul 26, 3:42 PM MDT | Flash Flood Warning | PUB | Las Animas | 108 min |
| Jul 26, 4:54 PM MDT | Flash Flood Warning | PUB | Chaffee, Fremont, Saguache | 5 hr |
| Jul 26, 7:36 PM MDT | Flash Flood Warning | PUB | Custer, Saguache | 114 min |
| Jul 26, 8:59 PM MDT | Flash Flood Warning | PUB | Costilla | 6 hr |
| Jul 26, 10:23 PM MDT | Flash Flood Warning | PUB | Huerfano | 5 hr |
| Jul 26, 11:34 PM MDT | Flash Flood Warning | PUB | Huerfano | 3 hr |
| Jul 27, 2:39 PM MDT | Flash Flood Warning | PUB | Bent, Prowers | 3 hr |
| Jul 27, 3:54 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Jul 27, 4:39 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Jul 28, 8:47 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Jul 30, 8:41 PM MDT | Flash Flood Warning | PUB | Custer, Pueblo | 3 hr |
| Jul 31, 4:29 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Aug 1, 4:02 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 2 hr |
| Aug 1, 4:43 PM MDT | Flash Flood Warning | PUB | Huerfano | 2 hr |
| Aug 3, 1:51 PM MDT | Flash Flood Warning | PUB | Chaffee, Fremont, Saguache | 105 min |
| Aug 3, 3:42 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Aug 3, 4:04 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Aug 3, 4:57 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano, Las Animas | 3 hr |
| Aug 3, 7:01 PM MDT | Flash Flood Warning | PUB | Huerfano | 116 min |
| Aug 5, 4:15 PM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| Aug 5, 7:49 PM MDT | Flash Flood Warning | PUB | El Paso, Teller | 2 hr |
| Aug 15, 2:44 PM MDT | Flash Flood Warning | PUB | Huerfano | 102 min |
| Aug 16, 4:34 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 2 hr |
| Aug 16, 5:40 PM MDT | Flash Flood Warning | PUB | Crowley | 83 min |
| Aug 20, 5:28 PM MDT | Flash Flood Warning | PUB | El Paso | 68 min |
| Aug 25, 5:53 PM MDT | Flash Flood Warning | PUB | Custer, Fremont | 3 hr |
| Aug 26, 3:36 PM MDT | Flash Flood Warning | GJT | Garfield | 117 min |
| Aug 28, 6:16 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Aug 28, 8:58 PM MDT | Flash Flood Warning | PUB | Baca, Bent, Las Animas | 3 hr |
| Aug 29, 2:10 PM MDT | Flash Flood Warning | PUB | Custer, Pueblo | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Huerfano County27
- Costilla County14
- El Paso County13
- Fremont County10
- Pueblo County9
- Saguache County7
- Custer County5
- Chaffee County5
- Teller County4
- Kit Carson County4
- Las Animas County4
- Crowley County3
- Otero County3
- Yuma County3
- Bent County3
- Kiowa County2
- Park County2
- Prowers County2
- Arapahoe County2
- Jefferson County2
- Cheyenne County2
- Denver County1
- Larimer County1
- Weld County1
- Garfield County1
- Baca County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.