Alert archive / Colorado

Heat Advisories in Colorado

83 heat advisories since 1986. 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 heat advisories reaches back to 2005.

Heat Advisories by county

Each county as a circle sized by its count since 1986. Tap one for its archive.

Heat Advisories
83
Busiest year
202623 heat advisories
Average year
9over 9 years on file

Over time

By year

Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.

By month of the year

By county

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

12 more counties

The latest heat advisories

The most recent on file, newest first.

IssuedProductOfficeCountiesLasted
Aug 10, 12:49 PM MDTHeat AdvisoryPUBCuster, El Paso, Fremont, Pueblo, Teller30 hr
Aug 9, 3:18 AM MDTHeat AdvisoryPUBBent, Custer, El Paso, Fremont, Otero, Prowers and 2 more40 hr
Aug 7, 11:51 AM MDTHeat AdvisoryPUBBent, Crowley, Custer, El Paso, Fremont, Otero and 3 more56 hr
Aug 7, 11:51 AM MDTHeat AdvisoryPUBBent, Crowley, Custer, El Paso, Fremont, Otero and 3 more32 hr
Aug 6, 12:07 PM MDTHeat AdvisoryBOUAdams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 3 more3 days
Aug 6, 10:18 AM MDTHeat AdvisoryGJTGarfield, Mesa58 hr
Aug 6, 10:11 AM MDTHeat AdvisoryGJTGarfield, Mesa34 hr
Jul 31, 10:58 PM MDTHeat AdvisoryPUBAlamosa, Bent, Conejos, Costilla, Custer, El Paso and 8 more69 hr
Jul 31, 11:41 AM MDTHeat AdvisoryPUBCuster, El Paso, Fremont, Pueblo, Teller56 hr
Jul 31, 2:15 AM MDTHeat AdvisoryBOUAdams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 4 more4 days
Jul 30, 11:53 AM MDTHeat AdvisoryGJTGarfield, Mesa5 days
Jul 26, 10:16 AM MDTHeat AdvisoryPUBBaca, Bent, Crowley, Custer, El Paso, Fremont and 5 more35 hr

Nearby

Alerts in force nowTornadoes on recordThe radar archive

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.