Alert archive / Colorado / Winter Storm Warnings / 2020
Winter Storm Warnings in Colorado, March 2020
5 winter storm warnings in March 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 March 2020. Tap one for its archive.
- Winter Storm Warnings
- 5
- Busiest day
- March 18, 20203 winter storm warnings
Over time
By day
Days in UTC, the clock the archive keeps.
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 2:07 PM MDT | Winter Storm Warning | GJT | Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more | 34 hr |
| Mar 12, 3:17 PM MDT | Winter Storm Warning | PUB | Conejos, Mineral, Rio Grande | 33 hr |
| Mar 18, 4:53 AM MDT | Winter Storm Warning | PUB | Conejos, El Paso, Fremont, Mineral, Rio Grande, Teller | 40 hr |
| Mar 18, 5:02 AM MDT | Winter Storm Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 9 more | 43 hr |
| Mar 18, 11:34 AM MDT | Winter Storm Warning | GJT | Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more | 35 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Archuleta County2
- Dolores County2
- Hinsdale County2
- La Plata County2
- Montezuma County2
- San Juan County2
- San Miguel County2
- Conejos County2
- Mineral County2
- Rio Grande County2
- El Paso County1
- Fremont County1
- Teller County1
- Adams County1
- Arapahoe County1
- Boulder County1
- Broomfield County1
- Clear Creek County1
- Denver County1
- Douglas County1
- Gilpin County1
- Grand County1
- Jackson County1
- Jefferson County1
- Larimer County1
- Park County1
- Summit County1
- Weld County1
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.