A moist Pacific trough moved across the region and produced significant snowfall in many areas.  An upper low developed at the bottom of the trough and resulted in heavy snowfall over some mountain areas in southwest Colorado.

Winter Weather in UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE, COLORADO
From 15-NOV-15 23:00:00 to 16-NOV-15 09:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Snowfall amounts of 3 to 6 inches were measured across the area. Locally higher amounts included 17 inches on Columbine Pass. Wind gusts of 20 to 30 mph produced localized blowing and drifting snow.

Winter Weather in FOUR CORNERS / UPPER DOLORES RIVER BASIN, COLORADO
From 16-NOV-15 07:30:00 to 16-NOV-15 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall amounts of 3 to 6 inches were measured across the area.

Winter Weather in ANIMAS RIVER BASIN, COLORADO
From 15-NOV-15 22:00:00 to 16-NOV-15 18:30:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall amounts of 2 to 5 inches were measured across the area.

Winter Weather in CENTRAL COLORADO RIVER BASIN, COLORADO
From 16-NOV-15 05:00:00 to 16-NOV-15 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall amounts of 3 to 5 inches were measured across the area.

Winter Weather in UPPER YAMPA RIVER BASIN, COLORADO
From 16-NOV-15 06:00:00 to 17-NOV-15 00:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall amounts of 3 to 8 inches were measured across the area.

Winter Weather in DEBEQUE TO SILT CORRIDOR, COLORADO
From 16-NOV-15 05:00:00 to 16-NOV-15 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall amounts of 2 to 5 inches were measured across about half of the area, with the highest amounts in the Collbran area.

Winter Storm in NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 15-NOV-15 22:00:00 to 17-NOV-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall amounts of 12 to 30 inches were measured across the area.  Locally higher amounts included 33 inches at the avalanche monument area of Highway 550.  Wind gusts of 20 to 40 mph produced areas of blowing and drifting snow.  Even stronger gusts in the 50 to 80 mph range occurred on the mountain peaks.

Winter Storm in SOUTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 15-NOV-15 21:00:00 to 17-NOV-15 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall amounts of 9 to 29 inches were measured across the area. Wind gusts of 25 to 50 mph produced areas of blowing and drifting snow, with localized blizzard conditions. Even stronger gusts in the 50 to 80 mph range occurred on the mountain peaks.  A peak gust of 91 mph was measured on Mount Putney.

Winter Weather in GRAND AND BATTLEMENT MESAS, COLORADO
From 16-NOV-15 03:00:00 to 17-NOV-15 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Snowfall amounts of 8 to 10 inches were measured across the area.  Locally higher amounts included 17 inches at the Park Reservoir SNOTEL site.  Wind gusts of 20 to 30 mph resulted in localized blowing and drifting snow.

Winter Weather in WEST ELK AND SAWATCH MOUNTAINS, COLORADO
From 16-NOV-15 02:00:00 to 17-NOV-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall amounts of 4 to 12 inches were measured across the area. Wind gusts of 20 to 30 mph produced localized blowing and drifting snow.

Winter Weather in UPPER GUNNISON RIVER VALLEY, COLORADO
From 16-NOV-15 07:00:00 to 16-NOV-15 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Snowfall amounts of 2 to 5 inches were measured across the area. Locally higher amounts included 11 inches at Black Canyon of the Gunnison National Park.

Winter Weather in SAN JUAN RIVER BASIN, COLORADO
From 15-NOV-15 22:00:00 to 17-NOV-15 00:30:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall amounts of 2 to 6 inches were measured across the area.

Winter Weather in GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS, COLORADO
From 16-NOV-15 06:00:00 to 17-NOV-15 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Snowfall amounts of 6 to 11 inches were measured across the area. Wind gusts of 20 to 25 mph produced localized blowing and drifting snow.

Winter Weather in FLATTOP MOUNTAINS, COLORADO
From 16-NOV-15 02:00:00 to 17-NOV-15 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Snowfall amounts of 5 to 10 inches were measured across the area. Wind gusts of 20 to 30 mph produced localized blowing and drifting snow.

Winter Weather in ELKHEAD AND PARK MOUNTAINS, COLORADO
From 16-NOV-15 08:00:00 to 17-NOV-15 09:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Snowfall amounts of 3 to 8 inches were measured across the area.Wind gusts of 20 to 30 mph produced localized blowing and drifting snow.