A large scale and slow moving Pacific trough produced significant and locally heavy snowfall to many areas of western Colorado.

Winter Weather in NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 12-DEC-11 12:00:00 to 14-DEC-11 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall ranged from 8 to 12 inches.  Locally higher amounts included 14 inches at Lizard Head Pass.

Winter Weather in SAN JUAN RIVER BASIN, COLORADO
From 12-DEC-11 14:00:00 to 14-DEC-11 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall ranged from 4 to 6 inches.

Winter Weather in ANIMAS RIVER BASIN, COLORADO
From 12-DEC-11 13:00:00 to 13-DEC-11 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall ranged from 2 to 5 inches.

Winter Weather in UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE, COLORADO
From 12-DEC-11 16:00:00 to 14-DEC-11 13:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Snowfall ranged from 3 to 12 inches.

Winter Weather in FOUR CORNERS / UPPER DOLORES RIVER BASIN, COLORADO
From 12-DEC-11 21:00:00 to 14-DEC-11 05:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall ranged from 3 to 6 inches above the 5500 foot level.

Winter Weather in ROAN AND TAVAPUTS PLATEAUS, COLORADO
From 12-DEC-11 20:00:00 to 14-DEC-11 00:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall ranged from 5 to 8 inches.

Winter Weather in GRAND AND BATTLEMENT MESAS, COLORADO
From 12-DEC-11 20:00:00 to 14-DEC-11 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall ranged from 5 to 12 inches.  Locally heavier amounts up to 14 inches were measired on the north and west areas of the Grand Mesa.

Winter Weather in WEST ELK AND SAWATCH MOUNTAINS, COLORADO
From 13-DEC-11 01:00:00 to 14-DEC-11 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall ranged from 3 to 12 inches.  Locally higher amounts included 14 inches on Schofield Pass.

Winter Weather in PARADOX VALLEY / LOWER DOLORES RIVER BASIN, COLORADO
From 12-DEC-11 21:00:00 to 14-DEC-11 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Snowfall generally ranged from 3 to 6 inches.  Locally higher amounts of 7 to 9 inches were measured in the Norwood area.

Winter Storm in SOUTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 12-DEC-11 12:00:00 to 14-DEC-11 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall ranged from 11 to 24 inches.  Locally higher amounts included 27 inches at the Weminuche SNOTEL site.  Wind gusts ranged from 25 to 50 mph mostly at ridgetop level.

Winter Weather in CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN, COLORADO
From 13-DEC-11 23:00:00 to 14-DEC-11 09:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall ranged from 3 to 6 inches.  Locally higher amounts of 7 inches were measured.

Winter Weather in GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS, COLORADO
From 13-DEC-11 02:00:00 to 14-DEC-11 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall amounts of 4 to 10 inches were measured.

Winter Weather in DEBEQUE TO SILT CORRIDOR, COLORADO
From 14-DEC-11 00:00:00 to 14-DEC-11 06:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall amounts of 3 to 4 inches were measured in the western portion of the area.