Alert archive / Colorado / Flash Flood Watches

Flash Flood Watches in Colorado, 2018

34 flash flood watches 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 watches reaches back to 2005.

Flash Flood Watches by county

Each county as a circle sized by its count in 2018. Tap one for its archive.

Flash Flood Watches
34
Busiest month
July23 flash flood watches
Busiest day
May 28, 20182 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 18, 11:02 AM MDTFlash Flood WatchBOUAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 11 more30 hr
May 28, 2:18 PM MDTFlash Flood WatchGLDYuma19 hr
May 28, 2:38 PM MDTFlash Flood WatchBOULogan, Morgan, Phillips, Sedgwick, Washington6 hr
Jun 14, 9:24 AM MDTFlash Flood WatchGJTArchuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more72 hr
Jun 17, 2:02 PM MDTFlash Flood WatchGLDCheyenne, Kit Carson, Yuma60 hr
Jul 4, 3:36 PM MDTFlash Flood WatchPUBAlamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more29 hr
Jul 5, 10:16 AM MDTFlash Flood WatchBOUBoulder, Clear Creek, Douglas, Gilpin, Jefferson, Larimer and 1 more9 hr
Jul 5, 3:30 PM MDTFlash Flood WatchGJTArchuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more30 hr
Jul 6, 3:30 PM MDTFlash Flood WatchGJTArchuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more30 hr
Jul 7, 2:33 PM MDTFlash Flood WatchGJTArchuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more30 hr
Jul 9, 1:26 PM MDTFlash Flood WatchGJTArchuleta, Dolores, Eagle, Garfield, Hinsdale, La Plata and 4 more56 hr
Jul 9, 1:26 PM MDTFlash Flood WatchGJTArchuleta, Dolores, Eagle, Garfield, Hinsdale, La Plata and 4 more3 days
Jul 11, 4:03 AM MDTFlash Flood WatchPUBAlamosa, Chaffee, Costilla, Custer, Fremont, Huerfano and 3 more40 hr
Jul 12, 4:31 AM MDTFlash Flood WatchGJTArchuleta, Dolores, Eagle, Garfield, Hinsdale, La Plata and 4 more40 hr
Jul 13, 2:38 PM MDTFlash Flood WatchGJTArchuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more33 hr
Jul 14, 2:54 PM MDTFlash Flood WatchPUBAlamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more53 hr
Jul 14, 3:13 PM MDTFlash Flood WatchGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 9 more30 hr
Jul 15, 4:14 AM MDTFlash Flood WatchBOUAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 6 more16 hr
Jul 15, 3:03 PM MDTFlash Flood WatchGJTArchuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more30 hr
Jul 16, 2:44 PM MDTFlash Flood WatchGJTArchuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more30 hr
Jul 22, 11:13 PM MDTFlash Flood WatchPUBAlamosa, Baca, Bent, Chaffee, Costilla, Crowley and 11 more25 hr
Jul 23, 10:22 AM MDTFlash Flood WatchGLDCheyenne, Kit Carson14 hr
Jul 24, 9:44 AM MDTFlash Flood WatchPUBAlamosa, Chaffee, Costilla, Custer, Fremont, Huerfano and 4 more12 hr
Jul 24, 2:28 PM MDTFlash Flood WatchGJTArchuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more32 hr
Jul 25, 10:41 AM MDTFlash Flood WatchBOUAdams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 7 more11 hr
Jul 25, 11:46 AM MDTFlash Flood WatchGLDCheyenne, Kit Carson, Yuma11 hr
Jul 26, 2:28 PM MDTFlash Flood WatchGJTArchuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more30 hr
Jul 29, 4:00 AM MDTFlash Flood WatchPUBBaca, Bent, Kiowa, Prowers21 hr
Aug 6, 3:32 AM MDTFlash Flood WatchPUBAlamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more24 hr
Aug 7, 3:44 AM MDTFlash Flood WatchPUBAlamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more20 hr
Aug 21, 4:02 AM MDTFlash Flood WatchGJTArchuleta, Delta, Dolores, Eagle, Garfield, Hinsdale and 11 more44 hr
Sep 30, 2:58 PM MDTFlash Flood WatchGJTArchuleta, Delta, Dolores, Gunnison, Hinsdale, La Plata and 6 more54 hr
Oct 1, 1:23 PM MDTFlash Flood WatchPUBConejos, Mineral, Rio Grande, Saguache32 hr
Oct 4, 11:33 AM MDTFlash Flood WatchGJTArchuleta, Dolores, Eagle, Garfield, Hinsdale, La Plata and 4 more6 hr

By county

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

19 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 28, 20182flash flood watches
  2. July 5, 20182flash flood watches
  3. July 9, 20182flash flood watches
  4. July 14, 20182flash flood watches
  5. July 15, 20182flash flood watches
  6. July 23, 20182flash flood watches
  7. July 24, 20182flash flood watches
  8. July 25, 20182flash flood watches
  9. May 18, 20181flash flood watches
  10. June 14, 20181flash flood watches
  11. June 17, 20181flash flood watches
  12. July 4, 20181flash flood watches

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. Warning verification from the Mesonet's Cow. Rebuilt daily.