A moist Pacific trough moved over the area from the northwest, followed by modified Arctic air.  Sgnificant snowfall occurred across western Colorado, with areas of heavy snowfall mainly in the mountains of northwest and west central Colorado.

Winter Storm in ELKHEAD AND PARK MOUNTAINS, COLORADO
From 07-FEB-11 12:00:00 to 08-FEB-11 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall accumulations of 10 to 19 inches were measured across the area. Wind gusts of 25 to 35 mph produced areas of blowing and drifting snow.

Winter Weather in GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS, COLORADO
From 07-FEB-11 10:00:00 to 08-FEB-11 13:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall accumulations of 6 to 12 inches were measured across the area, with locally higher amounts including 13 inches at Beaver Creek Ski Area. Wind gusts of 20 to 30 mph produced localized blowing and drifting snow.

Winter Storm in FLATTOP MOUNTAINS, COLORADO
From 07-FEB-11 12:00:00 to 08-FEB-11 13:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Snowfall accumulations of 10 to 14 inches were measured across most of the area. Wind gusts of 20 to 30 mph produced localized blowing and drifting snow.

Winter Storm in WEST ELK AND SAWATCH MOUNTAINS, COLORADO
From 07-FEB-11 07:00:00 to 08-FEB-11 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall accumulations of 10 to 16 inches were measured across most of the area. Wind gusts of 20 to 30 mph produced localized blowing and drifting snow.

Winter Weather in NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 07-FEB-11 08:00:00 to 08-FEB-11 19:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall accumulations of 7 to 12 inches were measured across the area, with locally higher amounts including 14 inches on Red Mountain Pass. Wind gusts of 25 to 50 mph produced areas of blowing and drifting snow.

Winter Weather in SOUTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 07-FEB-11 08:00:00 to 08-FEB-11 21:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall accumulations of 5 to 12 inches were measured across the area, with locally higher amounts including 14 inches at Shark's Tooth and Mancos SNOTEL sites. Wind gusts up to 60 mph produced localized blizzard conditions.

Winter Weather in UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE, COLORADO
From 07-FEB-11 08:00:00 to 08-FEB-11 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall accumulations 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 CENTRAL YAMPA RIVER BASIN, COLORADO
From 07-FEB-11 12:00:00 to 08-FEB-11 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Snowfall accumulations of 2 to 6 inches were measured across the area. Wind gusts of 25 to 35 mph produced areas of blowing and drifting snow.

Winter Storm in UPPER YAMPA RIVER BASIN, COLORADO
From 07-FEB-11 12:00:00 to 08-FEB-11 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall accumulations of 10 to 16 inches were measured 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 07-FEB-11 23:00:00 to 08-FEB-11 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall accumulations of 3 to 6 inches were measured across the area. Wind gusts of 25 to 35 mph produced areas of blowing and drifting snow, as well as wind chill temperatures down to 15 degrees below zero Fahrenheit.

Winter Weather in GRAND VALLEY, COLORADO
From 07-FEB-11 21:00:00 to 08-FEB-11 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

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

Winter Weather in DEBEQUE TO SILT CORRIDOR, COLORADO
From 07-FEB-11 21:00:00 to 08-FEB-11 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall accumulations of 3 to 6 inches were measured across the area, with locally higher amounts including 7 inches at Collbran. Wind gusts of 20 to 30 mph produced localized blowing and drifting snow.

Winter Weather in CENTRAL COLORADO RIVER BASIN, COLORADO
From 07-FEB-11 17:00:00 to 08-FEB-11 22:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

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

Winter Weather in CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN, COLORADO
From 07-FEB-11 23:00:00 to 08-FEB-11 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall accumulations of 3 to 6 inches were measured across most of the area, with locally higher amounts including amounts up to 8 inches just east of Montrose. Wind gusts of 25 to 35 mph produced localized blowing and drifting snow.

Winter Weather in LOWER YAMPA RIVER BASIN, COLORADO
From 07-FEB-11 03:00:00 to 08-FEB-11 07:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Snowfall accumulations of 2 to 3 inches were measured across the area.  Wind gusts of 25 to 35 mph produced areas of blowing and drifting snow.

Winter Weather in ANIMAS RIVER BASIN, COLORADO
From 08-FEB-11 01:00:00 to 08-FEB-11 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall accumulations of 2 to 4 inches were measured mostly in the Durango and Bayfield areas. Wind gusts of 30 to 40 mph produced areas of blowing and drifting snow.

Winter Weather in SAN JUAN RIVER BASIN, COLORADO
From 08-FEB-11 01:00:00 to 08-FEB-11 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall accumulations of 2 to 4 inches were measured across most of the area.

Winter Storm in GRAND AND BATTLEMENT MESAS, COLORADO
From 07-FEB-11 10:00:00 to 08-FEB-11 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall accumulations of 10 to 15 inches were measured across the area, with locally higher amounts including 19 inches at Powderhorn Ski Area. Wind gusts of 25 to 35 mph produced areas of blowing and drifting snow.

Winter Weather in FOUR CORNERS / UPPER DOLORES RIVER BASIN, COLORADO
From 08-FEB-11 01:00:00 to 08-FEB-11 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall accumulations of 3 to 5 inches were measured across most of the area. Wind gusts of 20 to 30 mph produced localized blowing and drifting snow.