Alert archive / Colorado / Flash Flood Watches

Flash Flood Watches in Colorado, 2011

21 flash flood watches in 2011. 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 2011. Tap one for its archive.

Flash Flood Watches
21
Busiest month
July11 flash flood watches
Busiest day
July 12, 20113 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 11, 5:26 AM MDTFlash Flood WatchBOUBoulder, Larimer10 hr
May 18, 4:10 AM MDTFlash Flood WatchBOUBoulder, Larimer16 hr
May 24, 9:27 AM MDTFlash Flood WatchBOULogan, Morgan, Phillips, Sedgwick, Washington19 hr
May 24, 11:22 AM MDTFlash Flood WatchGLDKit Carson, Yuma22 hr
Jun 20, 2:56 AM MDTFlash Flood WatchGLDYuma17 hr
Jul 5, 3:15 AM MDTFlash Flood WatchBOUAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 12 more23 hr
Jul 6, 3:48 AM MDTFlash Flood WatchBOUBoulder, Larimer15 hr
Jul 9, 2:10 PM MDTFlash Flood WatchGLDYuma13 hr
Jul 11, 3:21 AM MDTFlash Flood WatchGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more45 hr
Jul 12, 3:49 AM MDTFlash Flood WatchBOUAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 16 more25 hr
Jul 12, 10:55 AM MDTFlash Flood WatchPUBChaffee, Lake, Saguache10 hr
Jul 12, 12:00 PM MDTFlash Flood WatchGLDKit Carson, Yuma11 hr
Jul 14, 5:25 AM MDTFlash Flood WatchBOUAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 10 more16 hr
Jul 19, 11:13 AM MDTFlash Flood WatchBOUBoulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more9 hr
Jul 25, 9:03 PM MDTFlash Flood WatchGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 10 more25 hr
Jul 29, 4:01 AM MDTFlash Flood WatchPUBCostilla, Huerfano, Las Animas17 hr
Aug 2, 3:49 AM MDTFlash Flood WatchPUBAlamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more23 hr
Aug 2, 4:17 AM MDTFlash Flood WatchBOUArapahoe, Boulder, Clear Creek, Douglas, Elbert, Gilpin and 5 more16 hr
Aug 2, 4:40 AM MDTFlash Flood WatchGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 8 more16 hr
Aug 3, 5:26 AM MDTFlash Flood WatchPUBCuster, El Paso, Fremont, Huerfano, Pueblo, Teller16 hr
Aug 4, 4:36 AM MDTFlash Flood WatchPUBCuster, El Paso, Fremont, Huerfano, Las Animas, Teller15 hr

By county

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

17 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. July 12, 20113flash flood watches
  2. August 2, 20113flash flood watches
  3. May 24, 20112flash flood watches
  4. May 11, 20111flash flood watches
  5. May 18, 20111flash flood watches
  6. June 20, 20111flash flood watches
  7. July 5, 20111flash flood watches
  8. July 6, 20111flash flood watches
  9. July 9, 20111flash flood watches
  10. July 11, 20111flash flood watches
  11. July 14, 20111flash flood watches
  12. July 19, 20111flash flood watches

Nearby

Alerts in force nowTornadoes on recordThe radar archive20102012

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.