Heavy Snow Warnings in Colorado
44 heavy snow warnings 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 heavy snow warnings reaches back to 2005.
Heavy Snow Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Heavy Snow Warnings
- 44
- Busiest year
- 200717 heavy snow warnings
- Average year
- 15over 3 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.
- Routt County17
- Moffat County14
- Rio Blanco County14
- Archuleta County12
- Montrose County12
- Garfield County11
- Gunnison County11
- Mesa County11
- Delta County10
- San Miguel County9
- La Plata County8
- Dolores County7
- Montezuma County7
- Fremont County6
- Huerfano County6
- Custer County5
- Eagle County5
- Ouray County5
- Pitkin County5
- Boulder County5
- Jefferson County5
- Alamosa County4
- Chaffee County4
- Costilla County4
- Las Animas County4
- Pueblo County4
- Saguache County4
- Hinsdale County4
- Douglas County4
- Larimer County4
- El Paso County3
- Teller County3
- Broomfield County3
- Clear Creek County3
- Gilpin County3
- Park County3
- Grand County3
- Jackson County3
- Summit County3
- Adams County3
20 more counties
Nearby
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.