Alert archive / Colorado / Tornado Warnings

Tornado Warnings in Colorado, 2011

72 tornado warnings 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 tornado warnings reaches back to 1986.

Tornado Warnings by county

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

Tornado Warnings
72
Busiest month
May30 tornado warnings
Busiest day
May 18, 20118 tornado 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.

IssuedProductOfficeCountiesLasted
May 11, 3:02 PM MDTTornado WarningGLDKit Carson31 min
May 11, 3:36 PM MDTTornado WarningGLDKit Carson39 min
May 11, 4:17 PM MDTTornado WarningGLDKit Carson43 min
May 11, 4:41 PM MDTTornado WarningGLDKit Carson37 min
May 11, 5:28 PM MDTTornado WarningGLDYuma10 min
May 17, 5:20 PM MDTTornado WarningBOUMorgan24 min
May 17, 5:57 PM MDTTornado WarningBOUWashington33 min
May 17, 6:11 PM MDTTornado WarningBOUWashington34 min
May 17, 6:13 PM MDTTornado WarningBOUWashington15 min
May 17, 6:26 PM MDTTornado WarningBOUWashington34 min
May 17, 6:59 PM MDTTornado WarningBOUWashington31 min
May 17, 7:44 PM MDTTornado WarningGLDYuma30 min
May 18, 1:13 PM MDTTornado WarningBOUAdams, Broomfield31 min
May 18, 2:29 PM MDTTornado WarningBOUAdams14 min
May 18, 5:34 PM MDTTornado WarningPUBCrowley, Kiowa, Otero41 min
May 18, 6:09 PM MDTTornado WarningPUBKiowa51 min
May 18, 6:12 PM MDTTornado WarningGLDCheyenne63 min
May 18, 8:03 PM MDTTornado WarningGLDCheyenne, Kit Carson15 min
May 19, 4:35 PM MDTTornado WarningPUBEl Paso40 min
May 23, 5:33 PM MDTTornado WarningGLDYuma43 min
May 24, 1:06 PM MDTTornado WarningPUBHuerfano, Las Animas13 min
May 24, 2:12 PM MDTTornado WarningPUBProwers22 min
May 24, 2:22 PM MDTTornado WarningGLDKit Carson23 min
May 24, 2:47 PM MDTTornado WarningGLDKit Carson28 min
May 28, 8:54 PM MDTTornado WarningBOULincoln51 min
May 30, 2:20 PM MDTTornado WarningBOUWeld25 min
May 30, 2:24 PM MDTTornado WarningBOUWeld36 min
May 30, 2:49 PM MDTTornado WarningBOUAdams26 min
May 30, 3:00 PM MDTTornado WarningBOUAdams, Morgan, Weld30 min
May 30, 3:53 PM MDTTornado WarningBOUWashington22 min
Jun 11, 2:48 PM MDTTornado WarningPUBLas Animas42 min
Jun 11, 5:19 PM MDTTornado WarningBOULincoln22 min
Jun 17, 3:41 PM MDTTornado WarningPUBEl Paso18 min
Jun 17, 3:46 PM MDTTornado WarningBOUElbert29 min
Jun 18, 1:37 PM MDTTornado WarningBOUElbert, Lincoln36 min
Jun 18, 2:46 PM MDTTornado WarningBOULincoln29 min
Jun 18, 3:16 PM MDTTornado WarningGLDCheyenne, Kit Carson44 min
Jun 18, 3:57 PM MDTTornado WarningGLDCheyenne, Kit Carson48 min
Jun 18, 4:28 PM MDTTornado WarningGLDCheyenne47 min
Jun 18, 4:38 PM MDTTornado WarningPUBKiowa52 min
Jun 18, 5:13 PM MDTTornado WarningGLDCheyenne47 min
Jun 18, 5:25 PM MDTTornado WarningPUBKiowa50 min
Jun 19, 5:04 PM MDTTornado WarningBOULogan26 min
Jun 19, 5:19 PM MDTTornado WarningBOULogan, Sedgwick26 min
Jun 19, 5:42 PM MDTTornado WarningBOUSedgwick33 min
Jun 19, 5:50 PM MDTTornado WarningGLDYuma39 min
Jun 19, 6:13 PM MDTTornado WarningBOUSedgwick32 min
Jun 19, 6:28 PM MDTTornado WarningBOULogan, Phillips47 min
Jun 19, 6:58 PM MDTTornado WarningBOUPhillips47 min
Jun 19, 7:48 PM MDTTornado WarningGLDYuma57 min
Jun 19, 8:37 PM MDTTornado WarningGLDYuma38 min
Jul 2, 5:05 PM MDTTornado WarningBOUWashington25 min
Jul 2, 5:44 PM MDTTornado WarningBOUWashington31 min
Jul 2, 6:20 PM MDTTornado WarningGLDYuma25 min
Jul 2, 6:43 PM MDTTornado WarningGLDYuma17 min
Jul 6, 4:33 PM MDTTornado WarningBOULogan, Weld42 min
Jul 9, 6:26 PM MDTTornado WarningGLDCheyenne, Kit Carson64 min
Jul 12, 7:03 PM MDTTornado WarningBOUElbert42 min
Jul 12, 7:27 PM MDTTornado WarningBOUElbert48 min
Jul 12, 7:34 PM MDTTornado WarningBOUWeld41 min
Jul 12, 7:45 PM MDTTornado WarningBOUElbert45 min
Jul 12, 8:17 PM MDTTornado WarningBOUElbert43 min
Jul 12, 8:23 PM MDTTornado WarningPUBEl Paso28 min
Jul 12, 9:10 PM MDTTornado WarningBOUWeld34 min
Jul 18, 8:34 PM MDTTornado WarningGJTMontezuma11 min
Jul 18, 8:43 PM MDTTornado WarningGJTMontezuma17 min
Aug 9, 2:45 PM MDTTornado WarningBOULogan45 min
Aug 19, 6:07 PM MDTTornado WarningBOUMorgan, Weld23 min
Sep 17, 4:50 PM MDTTornado WarningGLDKit Carson40 min
Sep 17, 5:20 PM MDTTornado WarningGLDKit Carson55 min
Sep 17, 6:13 PM MDTTornado WarningGLDKit Carson32 min
Oct 7, 8:59 PM MDTTornado WarningPUBBaca, Prowers15 min

By county

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

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 18, 20118tornado warnings
  2. June 18, 20118tornado warnings
  3. July 13, 20117tornado warnings
  4. May 11, 20115tornado warnings
  5. May 30, 20115tornado warnings
  6. June 20, 20115tornado warnings
  7. May 19, 20114tornado warnings
  8. May 24, 20114tornado warnings
  9. June 19, 20114tornado warnings
  10. May 17, 20112tornado warnings
  11. June 11, 20112tornado warnings
  12. June 17, 20112tornado warnings

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.