Alert archive / Colorado / Frost Advisories

Frost Advisories in Colorado, 2020

17 frost advisories in 2020. 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 frost advisories reaches back to 2005.

Frost Advisories by county

Each county as a circle sized by its count in 2020. Tap one for its archive.

Frost Advisories
17
Busiest month
May7 frost advisories
Busiest day
May 9, 20203 frost advisories

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 4, 2:47 PM MDTFrost AdvisoryBOULarimer, Logan, Morgan, Weld17 hr
May 5, 2:08 PM MDTFrost AdvisoryGLDCheyenne, Kit Carson, Yuma19 hr
May 5, 2:31 PM MDTFrost AdvisoryBOUAdams, Arapahoe, Elbert, Larimer, Lincoln, Logan and 3 more17 hr
May 9, 2:52 AM MDTFrost AdvisoryGLDCheyenne, Kit Carson, Yuma29 hr
May 9, 3:03 AM MDTFrost AdvisoryBOUAdams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more29 hr
May 9, 2:56 PM MDTFrost AdvisoryPUBCrowley, El Paso, Kiowa, Prowers17 hr
May 11, 5:15 AM MDTFrost AdvisoryBOULogan, Morgan, Phillips, Sedgwick, Washington, Weld2 hr
Sep 28, 2:22 PM MDTFrost AdvisoryGLDCheyenne, Kit Carson18 hr
Sep 28, 2:54 PM MDTFrost AdvisoryPUBBaca, Bent, Crowley, Kiowa, Prowers17 hr
Sep 28, 7:36 PM MDTFrost AdvisoryBOUElbert, Lincoln12 hr
Oct 1, 2:50 AM MDTFrost AdvisoryGLDYuma29 hr
Oct 3, 6:37 PM MDTFrost AdvisoryGLDCheyenne, Kit Carson, Yuma13 hr
Oct 11, 2:44 AM MDTFrost AdvisoryGLDCheyenne, Kit Carson, Yuma29 hr
Oct 14, 2:52 AM MDTFrost AdvisoryGLDCheyenne, Kit Carson29 hr
Oct 14, 3:58 AM MDTFrost AdvisoryPUBKiowa28 hr
Oct 14, 3:44 PM MDTFrost AdvisoryBOUAdams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more17 hr
Oct 18, 2:39 AM MDTFrost AdvisoryGLDCheyenne, Kit Carson, Yuma30 hr

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.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20192021

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.