Alert archive / Colorado / Flash Flood Watches

Flash Flood Watches in Colorado, 2017

20 flash flood watches in 2017. 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 2017. Tap one for its archive.

Flash Flood Watches
20
Busiest month
July13 flash flood watches
Busiest day
July 29, 20173 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.

IssuedProductOfficeCountiesLasted
May 9, 5:08 AM MDTFlash Flood WatchPUBAlamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more17 hr
May 10, 4:38 AM MDTFlash Flood WatchPUBCostilla, Huerfano, Las Animas18 hr
Jun 2, 3:54 AM MDTFlash Flood WatchGLDCheyenne, Kit Carson, Yuma23 hr
Jun 2, 11:14 AM MDTFlash Flood WatchPUBBent, Kiowa, Prowers15 hr
Jul 12, 9:33 AM MDTFlash Flood WatchPUBAlamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 4 more11 hr
Jul 18, 2:32 PM MDTFlash Flood WatchGJTDelta, Dolores, Garfield, Gunnison, La Plata, Mesa and 7 more33 hr
Jul 20, 4:05 AM MDTFlash Flood WatchGJTDelta, Dolores, Eagle, Garfield, Gunnison, La Plata and 7 more20 hr
Jul 21, 2:52 AM MDTFlash Flood WatchGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more21 hr
Jul 22, 11:15 AM MDTFlash Flood WatchPUBAlamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 6 more8 hr
Jul 22, 11:37 AM MDTFlash Flood WatchGJTArchuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more7 hr
Jul 24, 3:51 AM MDTFlash Flood WatchGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more44 hr
Jul 26, 4:24 AM MDTFlash Flood WatchPUBAlamosa, Baca, Bent, Chaffee, Costilla, Crowley and 11 more23 hr
Jul 29, 3:46 AM MDTFlash Flood WatchBOUArapahoe, Clear Creek, Douglas, Elbert, Gilpin, Jefferson and 2 more23 hr
Jul 29, 3:52 AM MDTFlash Flood WatchGLDCheyenne, Kit Carson26 hr
Jul 29, 4:04 AM MDTFlash Flood WatchPUBAlamosa, Baca, Bent, Chaffee, Costilla, Crowley and 12 more23 hr
Jul 30, 3:01 AM MDTFlash Flood WatchPUBAlamosa, Baca, Bent, Chaffee, Costilla, Crowley and 12 more24 hr
Jul 30, 2:33 PM MDTFlash Flood WatchGLDCheyenne, Kit Carson13 hr
Aug 6, 9:18 PM MDTFlash Flood WatchGLDCheyenne, Kit Carson, Yuma36 hr
Aug 10, 10:49 AM MDTFlash Flood WatchGLDCheyenne, Kit Carson11 hr
Aug 15, 1:23 PM MDTFlash Flood WatchGLDKit Carson, Yuma14 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

10 more counties

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20162018

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.