Alert archive / Colorado / Tornado Warnings

Tornado Warnings in Colorado, 1987

21 tornado warnings in 1987. 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 1987. Tap one for its archive.

Tornado Warnings
21
Busiest month
June14 tornado warnings
Busiest day
June 9, 19873 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 23, 3:11 PM MDTTornado WarningBOUArapahoe, Douglas29 min
May 26, 2:04 PM MDTTornado WarningBOULarimer, Weld31 min
Jun 9, 4:11 PM MDTTornado WarningBOUAdams, Arapahoe29 min
Jun 9, 4:17 PM MDTTornado WarningBOUArapahoe, Douglas28 min
Jun 9, 4:41 PM MDTTornado WarningBOUArapahoe29 min
Jun 18, 8:00 PM MDTTornado WarningGLDElbert20 min
Jun 20, 2:06 PM MDTTornado WarningBOUArapahoe, Douglas, Jefferson29 min
Jun 20, 2:27 PM MDTTornado WarningBOUAdams28 min
Jun 23, 2:20 PM MDTTornado WarningBOUArapahoe, Douglas, Jefferson30 min
Jun 23, 2:20 PM MDTTornado WarningBOUDenver30 min
Jun 23, 5:59 PM MDTTornado WarningBOUWeld41 min
Jun 23, 8:16 PM MDTTornado WarningGLDLincoln34 min
Jun 24, 3:42 PM MDTTornado WarningGLDElbert, Lincoln33 min
Jun 24, 6:15 PM MDTTornado WarningPUBCrowley60 min
Jun 28, 4:47 PM MDTTornado WarningBOUArapahoe, Washington18 min
Jun 28, 4:47 PM MDTTornado WarningGLDElbert, Lincoln18 min
Jul 2, 3:34 PM MDTTornado WarningBOUAdams26 min
Jul 7, 2:37 PM MDTTornado WarningBOUDouglas28 min
Jul 7, 4:30 PM MDTTornado WarningBOUWeld25 min
Jul 7, 4:54 PM MDTTornado WarningBOUWeld31 min
Jul 8, 5:52 PM MDTTornado WarningBOUAdams, Arapahoe28 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. June 9, 19873tornado warnings
  2. June 23, 19873tornado warnings
  3. July 7, 19873tornado warnings
  4. June 20, 19872tornado warnings
  5. June 24, 19872tornado warnings
  6. June 28, 19872tornado warnings
  7. May 23, 19871tornado warnings
  8. May 26, 19871tornado warnings
  9. June 19, 19871tornado warnings
  10. June 25, 19871tornado warnings
  11. July 2, 19871tornado warnings
  12. July 8, 19871tornado warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive19861988

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.