A vigorous Pacific trough produced significant snowfall and blowing snow in the mountains and some lower elevation areas of western Colorado.

Winter Storm in WEST ELK AND SAWATCH MOUNTAINS, COLORADO
From 16-JAN-12 02:00:00 to 17-JAN-12 01:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall ranged from 10 to 17 inches across the area.  Wind gusts of 25 to 50 mph produced extensive blowing and drifting snow.

Winter Storm in ANIMAS RIVER BASIN, COLORADO
From 16-JAN-12 01:00:00 to 16-JAN-12 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall ranged from 5 to 8 inches across the area.  Wind gusts of 20 to 30 mph produced localized blowing and drifting snow.

Winter Storm in SAN JUAN RIVER BASIN, COLORADO
From 16-JAN-12 00:00:00 to 16-JAN-12 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall ranged from 5 to 9 inches across the area.  Wind gusts of 20 to 30 mph produced localized blowing and drifting snow.

Winter Weather in GRAND AND BATTLEMENT MESAS, COLORADO
From 16-JAN-12 01:00:00 to 16-JAN-12 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall ranged from 5 to 12 inches across the area.  Wind gusts of 30 to 45 mph produced areas of blowing and drifting snow.

Winter Weather in UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE, COLORADO
From 16-JAN-12 01:00:00 to 16-JAN-12 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall ranged from 5 to 12 inches above the 7500 foot level.  Wind gusts of 25 to 50 mph produced extensive blowing and drifting snow.

Winter Weather in NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 16-JAN-12 01:00:00 to 17-JAN-12 00:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall ranged from 5 to 12 inches across the area.  Locally heavier amounts included 14 inches at Lizard Head Pass.  Wind gusts of 25 to 50 mph produced extensive blowing and drifting snow.  Locally stronger winds included 79 mph on Mount Abrahms.

Winter Weather in ELKHEAD AND PARK MOUNTAINS, COLORADO
From 16-JAN-12 05:00:00 to 17-JAN-12 00:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall ranged from 5 to 11 inches across the area.  Wind gusts of 25 to 40 mph produced areas of blowing and drifting snow.

Winter Weather in GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS, COLORADO
From 16-JAN-12 07:00:00 to 16-JAN-12 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall ranged from 6 to 12 inches across the area.  Locally heavier amounts included 14 inches at Buttermilk and Snowmass Ski Areas.  Wind gusts of 25 to 40 mph produced areas of blowing and drifting snow.

Winter Weather in FLATTOP MOUNTAINS, COLORADO
From 16-JAN-12 01:00:00 to 16-JAN-12 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Snowfall ranged from 5 to 11 inches across the area.  Wind gusts of 20 to 40 mph produced areas of blowing and drifting snow.

Winter Weather in FOUR CORNERS / UPPER DOLORES RIVER BASIN, COLORADO
From 16-JAN-12 00:00:00 to 16-JAN-12 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall ranged from 3 to 6 inches across most of the area.

Winter Weather in CENTRAL COLORADO RIVER BASIN, COLORADO
From 16-JAN-12 06:00:00 to 16-JAN-12 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall ranged from 2 to 4 inches across most of 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-JAN-12 05:00:00 to 16-JAN-12 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Snowfall ranged from 3 to 4 inches across most of the area.

Winter Storm in SOUTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 15-JAN-12 21:00:00 to 17-JAN-12 00:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall ranged from 10 to 20 inches across the area.  Wind gusts of 25 to 50 mph produced extensive blowing and drifting snow.  Locally stronger winds included gusts to 74 mph on Eagle Mountain.