A vigorous Pacific trough produced heavy snowfall to portions of western Colorado.  This storm event began to impact western Colorado late on February 27th and lingered into the early morning areas of February 29th at some locations.

Winter Weather in ANIMAS RIVER BASIN, COLORADO
From 28-FEB-12 02:00:00 to 28-FEB-12 17:00:00 (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. Locally higher amounts up to 7 inches were measured in the Bayfield area.  Wind gusts of 15 to 25 mph produced localized blowing and drifting snow.

Winter Weather in CENTRAL YAMPA RIVER BASIN, COLORADO
From 27-FEB-12 23:00:00 to 28-FEB-12 22:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Snowfall accumulations of 3 to 5 inches were measured across the area. Wind gusts of 25 to 40 mph produced areas of blowing and drifting snow.

Winter Weather in DEBEQUE TO SILT CORRIDOR, COLORADO
From 28-FEB-12 08:00:00 to 28-FEB-12 17:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall accumulations around 3 inches were measured across most of the area.

Winter Weather in CENTRAL COLORADO RIVER BASIN, COLORADO
From 28-FEB-12 03:00:00 to 28-FEB-12 20:00:00 (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. Locally heavier amounts included 10 inches on the southeast edge of Eagle.  Wind gusts of 15 to 25 mph produced localized blowing and drifting snow.  I-70 was closed in Glenwood Canyon and at Eagle for a period of time.

Winter Weather in UPPER YAMPA RIVER BASIN, COLORADO
From 28-FEB-12 00:00:00 to 28-FEB-12 22:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall accumulations of 5 to 11 inches were measured across the area.

Winter Weather in UPPER GUNNISON RIVER VALLEY, COLORADO
From 28-FEB-12 04:00:00 to 28-FEB-12 21:00:00 (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.  Locally heavier amounts include 8 inches at Black Canyon of the Gunnison National Park and 7 inches near Cimmaron.  Wind gusts of 20 to 30 mph produced areas of blowing and drifting snow.

Winter Weather in FOUR CORNERS / UPPER DOLORES RIVER BASIN, COLORADO
From 28-FEB-12 02:00:00 to 28-FEB-12 17:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall accumulations of 2 to 4 inches were measured across the area.  Locally heavier amounts included 6 inches at Mesa Verde National Park.  Wind gusts of 25 to 35 mph produced areas of blowing and drifting snow.

Winter Weather in ELKHEAD AND PARK MOUNTAINS, COLORADO
From 28-FEB-12 00:00:00 to 29-FEB-12 00:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall accumulations of 7 to 12 inches were measured across the area. Locally heavier amounts included 13 inches at the Elk River and Lynx Pass SNOTEL sites.  Wind gusts of 20 to 30 mph produced localized blowing and drifting snow.

Winter Storm in FLATTOP MOUNTAINS, COLORADO
From 27-FEB-12 21:00:00 to 29-FEB-12 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Snowfall accumulations of 10 to 16 inches were measured across the area. Locally heavier amounts included 21 inches at the Bison Lake SNOTEL site.  Wind gusts of 20 to 30 mph produced localized blowing and drifting snow.

Winter Storm in GRAND AND BATTLEMENT MESAS, COLORADO
From 27-FEB-12 20:00:00 to 28-FEB-12 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall accumulations of 10 to 28 inches were measured across the area, including 28 inches at Powderhorn Ski Area. Wind gusts of 20 to 30 mph produced localized blowing and drifting snow.  Highway 65 was closed for a period of time due to the heavy snow accumulation.

Winter Weather in GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS, COLORADO
From 28-FEB-12 04:00:00 to 29-FEB-12 07:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall accumulations of 5 to 12 inches were measured across the area. Wind gusts of 20 to 35 mph produced areas of blowing and drifting snow.

Winter Storm in WEST ELK AND SAWATCH MOUNTAINS, COLORADO
From 27-FEB-12 23:00:00 to 29-FEB-12 05:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall accumulations of 8 to 18 inches were measured across the area. Wind gusts of 20 to 35 mph produced areas of blowing and drifting snow.

Winter Storm in NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 27-FEB-12 17:00:00 to 28-FEB-12 21:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall accumulations of 10 to 20 inches were measured across the area. Wind gusts of 25 to 35 mph produced areas of blowing and drifting snow.  Highway 550 over Red Mountain Pass was closed for a period of time.

Winter Storm in SOUTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 27-FEB-12 17:00:00 to 28-FEB-12 21:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall accumulations of 12 to 30 inches were measured across the area. Locally heavier amounts included 41 inches at the Silverton Mountain Ski Area.  Wind gusts of 25 to 40 mph produced areas of blowing and drifting snow.  Highway 550 was closed for a period of time over Red Mountain Pass, Molas Pass, and Coal Bank Pass.

Winter Weather in ROAN AND TAVAPUTS PLATEAUS, COLORADO
From 28-FEB-12 01:00:00 to 28-FEB-12 22:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall accumulations of 5 to 8 inches were measured across the area. Wind gusts of 20 to 40 mph produced areas of blowing and drifting snow.

Winter Weather in SAN JUAN RIVER BASIN, COLORADO
From 27-FEB-12 22:00:00 to 29-FEB-12 03:00:00 (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 heavier amounts up to 10 inches.  Wind gusts of 15 to 30 mph produced localized blowing and drifting snow.

Winter Weather in UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE, COLORADO
From 27-FEB-12 20:00:00 to 28-FEB-12 19:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall accumulations of 5 to 12 inches were measured across the area. Locally heavier amounts included 15 inches at a house located 15 miles west of Montrose, and 15 inches at the Columbine Pass SNOTEL site.  Wind gusts of 35 to 50 mph produced localized blizzard conditions and snow drifts 2 to 3 feet deep.  Highway 62 over Dallas Divide was closed for a period of time.