Alert archive / Colorado / Flash Flood Watches
Flash Flood Watches in Colorado, 2020
10 flash flood watches 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 watches reaches back to 2005.
Flash Flood Watches by county
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Flash Flood Watches
- 10
- Busiest month
- July5 flash flood watches
- Busiest day
- July 27, 20202 flash flood watches
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 5, 3:42 AM MDT | Flash Flood Watch | GJT | Archuleta, Dolores, Gunnison, Hinsdale, La Plata, Mesa and 5 more | 36 hr |
| Jun 19, 9:13 AM MDT | Flash Flood Watch | PUB | Alamosa, Chaffee, Costilla, Custer, Fremont, Huerfano and 3 more | 6 hr |
| Jul 18, 3:06 PM MDT | Flash Flood Watch | PUB | Alamosa, Chaffee, Costilla, Custer, Fremont, Huerfano and 3 more | 30 hr |
| Jul 24, 10:41 AM MDT | Flash Flood Watch | GLD | Yuma | 37 hr |
| Jul 25, 2:30 PM MDT | Flash Flood Watch | PUB | Alamosa, Chaffee, Costilla, Custer, Fremont, Huerfano and 3 more | 34 hr |
| Jul 26, 9:50 PM MDT | Flash Flood Watch | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 6 more | 26 hr |
| Jul 27, 2:18 AM MDT | Flash Flood Watch | GJT | Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more | 22 hr |
| Aug 26, 1:45 PM MDT | Flash Flood Watch | GJT | Eagle, Garfield, Pitkin | 4 hr |
| Aug 29, 8:10 AM MDT | Flash Flood Watch | GJT | Eagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt | 4 min |
| Aug 29, 8:19 AM MDT | Flash Flood Watch | GJT | Eagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt | 101 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Alamosa County4
- Chaffee County4
- Costilla County4
- Custer County4
- Fremont County4
- Huerfano County4
- Pueblo County4
- Saguache County4
- Las Animas County3
- Eagle County3
- Garfield County3
- Pitkin County3
- Archuleta County2
- Dolores County2
- Hinsdale County2
- La Plata County2
- Montezuma County2
- San Juan County2
- San Miguel County2
- Moffat County2
- Rio Blanco County2
- Routt County2
- Gunnison County1
- Mesa County1
- Montrose County1
- Ouray County1
- Teller County1
- Yuma County1
- Conejos County1
- Mineral County1
- Rio Grande 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. Warning verification from the Mesonet's Cow. Rebuilt daily.