Alert archive / Colorado / Winter Storm Warnings

Winter Storm Warnings in Colorado, 2020

31 winter storm warnings 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 winter storm warnings reaches back to 2005.

Winter Storm Warnings by county

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

Winter Storm Warnings
31
Busiest month
February7 winter storm warnings
Busiest day
February 5, 20203 winter storm 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
Jan 10, 2:20 PM MSTWinter Storm WarningGJTMoffat, Routt3 days
Jan 15, 8:29 PM MSTWinter Storm WarningGJTArchuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more45 hr
Jan 15, 8:37 PM MSTWinter Storm WarningPUBConejos, Mineral, Rio Grande44 hr
Feb 2, 3:45 PM MSTWinter Storm WarningBOUBoulder, Broomfield, Clear Creek, Douglas, Gilpin, Grand and 5 more36 hr
Feb 5, 2:07 AM MSTWinter Storm WarningBOUBoulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more70 hr
Feb 5, 2:19 AM MSTWinter Storm WarningGJTDelta, Eagle, Garfield, Gunnison, Hinsdale, Moffat and 6 more3 days
Feb 5, 3:53 AM MSTWinter Storm WarningPUBChaffee, El Paso, Lake, Saguache68 hr
Feb 10, 4:04 AM MSTWinter Storm WarningPUBAlamosa, Chaffee, Costilla, Custer, Fremont, Huerfano and 3 more28 hr
Feb 15, 3:10 AM MSTWinter Storm WarningGJTEagle, Garfield, Moffat, Rio Blanco, Routt53 hr
Feb 15, 4:07 AM MSTWinter Storm WarningBOUBoulder, Grand, Jackson, Larimer52 hr
Mar 12, 2:07 PM MDTWinter Storm WarningGJTArchuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more34 hr
Mar 12, 3:17 PM MDTWinter Storm WarningPUBConejos, Mineral, Rio Grande33 hr
Mar 18, 4:53 AM MDTWinter Storm WarningPUBConejos, El Paso, Fremont, Mineral, Rio Grande, Teller40 hr
Mar 18, 5:02 AM MDTWinter Storm WarningBOUAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 9 more43 hr
Mar 18, 11:34 AM MDTWinter Storm WarningGJTArchuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more35 hr
Apr 14, 2:43 PM MDTWinter Storm WarningGJTDelta, Eagle, Garfield, Gunnison, Moffat, Montrose and 2 more57 hr
Apr 14, 3:09 PM MDTWinter Storm WarningBOUBoulder, Broomfield, Grand, Jackson, Jefferson, Larimer and 1 more51 hr
Sep 7, 3:36 AM MDTWinter Storm WarningGJTArchuleta, Delta, Dolores, Garfield, Gunnison, Hinsdale and 8 more3 days
Sep 7, 3:39 AM MDTWinter Storm WarningBOUArapahoe, Boulder, Clear Creek, Douglas, Elbert, Gilpin and 6 more55 hr
Sep 7, 4:08 AM MDTWinter Storm WarningPUBAlamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more3 days
Sep 9, 12:06 PM MDTWinter Storm WarningPUBMineral, Rio Grande, Saguache24 hr
Oct 24, 2:41 PM MDTWinter Storm WarningBOUAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 13 more39 hr
Oct 24, 3:23 PM MDTWinter Storm WarningPUBAlamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more56 hr
Oct 24, 3:31 PM MDTWinter Storm WarningGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more50 hr
Nov 6, 2:50 PM MSTWinter Storm WarningPUBConejos, Mineral, Rio Grande, Saguache3 days
Nov 6, 3:11 PM MSTWinter Storm WarningGJTArchuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more3 days
Nov 22, 3:15 AM MSTWinter Storm WarningGJTArchuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more56 hr
Nov 22, 4:05 AM MSTWinter Storm WarningPUBConejos, Mineral, Rio Grande55 hr
Dec 12, 10:16 AM MSTWinter Storm WarningPUBBaca, Las Animas, Prowers21 hr
Dec 27, 2:41 PM MSTWinter Storm WarningGJTArchuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more48 hr
Dec 27, 3:19 PM MSTWinter Storm WarningPUBAlamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 5 more48 hr

By county

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

14 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. February 5, 20203winter storm warnings
  2. March 18, 20203winter storm warnings
  3. September 7, 20203winter storm warnings
  4. October 24, 20203winter storm warnings
  5. January 16, 20202winter storm warnings
  6. February 15, 20202winter storm warnings
  7. March 12, 20202winter storm warnings
  8. April 14, 20202winter storm warnings
  9. November 6, 20202winter storm warnings
  10. November 22, 20202winter storm warnings
  11. December 27, 20202winter storm warnings
  12. January 10, 20201winter storm warnings

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.