Alert archive / Colorado / Boulder County / Red Flag Warnings

Red Flag Warnings in Boulder County, Colorado, 2011

18 red flag warnings in 2011. An alert counts here when it covered this county. The archive of red flag warnings reaches back to 2005.

Boulder County and its neighbors

Each county as a circle sized by its count in 2011. Tap one for its archive.

Red Flag Warnings
18
Busiest month
March7 red flag warnings
Busiest day
March 15, 20112 red flag 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.

IssuedProductOfficeLasted
Feb 28, 11:20 AM MSTRed Flag WarningBOU6 hr
Mar 10, 3:39 PM MSTRed Flag WarningBOU26 hr
Mar 15, 2:43 PM MDTRed Flag WarningBOU29 hr
Mar 15, 2:43 PM MDTRed Flag WarningBOU52 hr
Mar 20, 12:41 PM MDTRed Flag WarningBOU33 hr
Mar 21, 2:45 PM MDTRed Flag WarningBOU31 hr
Mar 24, 2:38 AM MDTRed Flag WarningBOU17 hr
Mar 30, 4:03 PM MDTRed Flag WarningBOU26 hr
Apr 1, 3:34 PM MDTRed Flag WarningBOU44 hr
Apr 4, 3:51 PM MDTRed Flag WarningBOU28 hr
Apr 7, 2:47 PM MDTRed Flag WarningBOU29 hr
Apr 8, 2:01 PM MDTRed Flag WarningBOU31 hr
May 8, 4:02 PM MDTRed Flag WarningBOU28 hr
Jun 15, 6:50 PM MDTRed Flag WarningBOU25 hr
Jun 29, 3:48 PM MDTRed Flag WarningBOU28 hr
Oct 6, 4:27 AM MDTRed Flag WarningBOU16 hr
Oct 15, 4:25 AM MDTRed Flag WarningBOU16 hr
Nov 14, 9:46 AM MSTRed Flag WarningBOU7 hr

The busiest days

Days with the most alerts issued, by UTC date.

  1. March 15, 20112red flag warnings
  2. February 28, 20111red flag warnings
  3. March 10, 20111red flag warnings
  4. March 20, 20111red flag warnings
  5. March 21, 20111red flag warnings
  6. March 24, 20111red flag warnings
  7. March 30, 20111red flag warnings
  8. April 1, 20111red flag warnings
  9. April 4, 20111red flag warnings
  10. April 7, 20111red flag warnings

Nearby

Alerts in force nowTornadoes on recordForecastThe 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.