A broad and strong Pacific trough and associated surface cold front slowly progressed across western Colorado over the course of several days. As a result, moderate to heavy wet snow fell across the mountains. Additionally, winds gusted up to 68 MPH in the mountains.

Winter Storm in NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 27-NOV-19 23:00:00 to 30-NOV-19 15:30:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Generally 17 to 30 inches of snow fell across the area. Winds gusted from 46 to 53 MPH with near white-out conditions occurring at times along Highway 550 over the mountain passes.

Heavy Snow in GRAND AND BATTLEMENT MESAS, COLORADO
From 29-NOV-19 07:00:00 to 30-NOV-19 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Most SNOTELs across the area averaged 8 to 10 inches of snow with locally higher amounts up to 18 inches estimated by the Park Reservoir site. A CoCoRaHs observer measured 12 inches of new snow in 24 hours.

Heavy Snow in WEST ELK AND SAWATCH MOUNTAINS, COLORADO
From 29-NOV-19 07:00:00 to 30-NOV-19 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Generally 8 to 14 inches of snow fell across the area. Wind gusts averaged 30 to 40 MPH for much of the event which resulted in widespread blowing snow.

Winter Storm in ELKHEAD AND PARK MOUNTAINS, COLORADO
From 29-NOV-19 09:00:00 to 30-NOV-19 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Generally 10 to 20 inches of snow fell across the area in less than 24 hours. Winds gusted from 35 to 45 MPH with a peak gust of 62 MPH.

Winter Weather in FLATTOP MOUNTAINS, COLORADO
From 29-NOV-19 10:00:00 to 30-NOV-19 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Generally 6 to 12 inches of snow fell across the area with up to 13 inches estimated by the Bison Lake SNOTEL site.

Winter Weather in UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE, COLORADO
From 29-NOV-19 10:00:00 to 30-NOV-19 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

An estimated 10 to 12 inches of snow fell across the higher elevations with 2 to 4 inches across the lower elevations. Winds gusted from 48 to 53 MPH.

Winter Storm in SOUTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 27-NOV-19 16:00:00 to 30-NOV-19 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Generally 20 to 25 inches of snow fell across the area. Winds gusted to at least 45 MPH with near white-out conditions occurring at times along Highway 550 over the mountain passes.

Winter Weather in GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS, COLORADO
From 29-NOV-19 09:00:00 to 30-NOV-19 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Generally 4 to 8 inches of snow fell across the area. Winds gusted from 40 to 50 MPH. A strong band of snow showers on Friday, November 29 produced wind gusts of 34 to 40 MPH along Interstate 70 between Avon and Vail Pass which reduced visibilities down to less than a half a mile.

Winter Weather in ROAN AND TAVAPUTS PLATEAUS, COLORADO
From 28-NOV-19 23:00:00 to 29-NOV-19 19:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Strong wind gusts of up to 68 MPH during much of the event resulted in near white-out conditions with icy, snow-packed roads over Douglas Pass.