Alert archive / Colorado / Winter Weather Advisories in 2021
Winter Weather Advisory 36, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter weather advisory at Dec 25, 2021, 1:48 PM MST for 9 counties in Colorado. It took effect at Dec 26, 2021, 5:00 AM MST. It was in force for 51 hr.
The area
The counties it named.
The facts
- Issued
- Dec 25, 2021, 1:48 PM MST (20:48 UTC)
- In effect from
- Dec 26, 2021, 5:00 AM MST
- Expired
- Dec 28, 2021, 8:00 AM MST
- In force
- 51 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Boulder County, CO, Clear Creek County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO, Summit County, CO
The radar
The Denver radar (KFTG), 102 km from the middle of the area, began a volume at 20:53 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 25, 3:25 AM MST | Fire Weather Watch | BOU | Arapahoe, Douglas, Elbert, Lincoln, Washington | 12 hr |
| Dec 25, 3:46 AM MST | Winter Storm Watch | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 10 hr |
| Dec 25, 1:48 PM MST | Winter Storm Warning | BOU | Grand, Jackson | 66 hr |
| Dec 25, 3:34 PM MST | Red Flag Warning | BOU | Elbert, Lincoln | 25 hr |
Nearby
Winter Weather Advisories in Colorado, 2021Every winter weather advisory in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.