A large upper trough moved moved across the region and deposited significant snowfall to the mountains and some lower elevation areas of western Colorado.

Winter Storm in SAN JUAN RIVER BASIN, COLORADO
From 02-DEC-11 12:00:00 to 04-DEC-11 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall ranging from 12 to 14 inches was measured across the area.

Winter Weather in NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 02-DEC-11 11:00:00 to 04-DEC-11 22:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall of 5 to 12 inches was measured across the area.  Locally higher amounts included 16 inches at Telluride Ski Area.

Winter Weather in ANIMAS RIVER BASIN, COLORADO
From 02-DEC-11 12:00:00 to 04-DEC-11 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall ranging from 3 to 6 inches was measured across the area.  Locally higher amounts included 7 to 8 inches in the Bayfield area.

Winter Weather in WEST ELK AND SAWATCH MOUNTAINS, COLORADO
From 02-DEC-11 13:00:00 to 04-DEC-11 06:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall ranging from 6 to 12 inches was measured across the area.

Winter Weather in GRAND AND BATTLEMENT MESAS, COLORADO
From 02-DEC-11 21:00:00 to 03-DEC-11 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Snowfall ranging from 5 to 8 inches was measured above the 8000 foot level.

Winter Weather in FOUR CORNERS / UPPER DOLORES RIVER BASIN, COLORADO
From 02-DEC-11 14:00:00 to 04-DEC-11 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall ranging from 2 to 4 inches was measured across the area.

Winter Weather in FLATTOP MOUNTAINS, COLORADO
From 02-DEC-11 14:00:00 to 04-DEC-11 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Snowfall ranging from 4 to 10 inches was measured across the area.

Winter Weather in LOWER YAMPA RIVER BASIN, COLORADO
From 02-DEC-11 16:00:00 to 03-DEC-11 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Snowfall ranging from 3 to 4 inches was measured across most of the area.

Winter Weather in CENTRAL YAMPA RIVER BASIN, COLORADO
From 02-DEC-11 16:00:00 to 03-DEC-11 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Snowfall amounts around 3 inches was measured in about half of the area, including the town of Craig.

Winter Weather in CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN, COLORADO
From 03-DEC-11 03:00:00 to 04-DEC-11 22:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall ranging from 3 to 5 inches was measured across the area.

Winter Weather in PARADOX VALLEY / LOWER DOLORES RIVER BASIN, COLORADO
From 02-DEC-11 16:00:00 to 04-DEC-11 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Snowfall ranging from 2 to 6 inches was measured across the area.

Winter Weather in UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE, COLORADO
From 02-DEC-11 13:00:00 to 04-DEC-11 22:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall ranging from 5 to 11 inches was measured above the 7000 foot level.

Winter Weather in GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS, COLORADO
From 03-DEC-11 07:00:00 to 04-DEC-11 09:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall ranging from 4 to 10 inches was measured across the area.

Winter Weather in GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS, COLORADO
From 03-DEC-11 07:00:00 to 04-DEC-11 09:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall ranging from 4 to 10 inches was measured across the area.

Winter Weather in UPPER GUNNISON RIVER VALLEY, COLORADO
From 03-DEC-11 05:00:00 to 04-DEC-11 09:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall ranging from 3 to 5 inches was measured across the area.

Winter Storm in SOUTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 02-DEC-11 08:00:00 to 04-DEC-11 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall ranging from 9 to 20 inches was measured across the area.  Wind gusts of 15 to 30 mph produced areas of blowing a drifting snow.