A moist and slow moving upper low produced a prolonged period of snowfall to most mountain areas and some lower elevation locations in western Colorado.

Winter Storm in ELKHEAD AND PARK MOUNTAINS, COLORADO
From 10-MAY-14 17:00:00 to 12-MAY-14 05:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Snowfall amounts of 8 to 20 inches were measured across the area. Wind gusts of 25 to 40 mph produced areas of blowing and drifting snow.  Highway 40 was closed for a period of time on the 11th due to hazardous road conditions.

Winter Storm in FLATTOP MOUNTAINS, COLORADO
From 10-MAY-14 10:00:00 to 12-MAY-14 09:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Snowfall amounts of 12 to 20 inches were measured across the area. Wind gusts of 20 to 30 mph produced localized blowing and drifting snow.

Winter Storm in GRAND AND BATTLEMENT MESAS, COLORADO
From 10-MAY-14 21:00:00 to 13-MAY-14 05:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall amounts of 12 to 23 inches were measured across the area. Wind gusts of 15 to 25 mph produced localized blowing and drifting snow.

Winter Storm in GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS, COLORADO
From 11-MAY-14 08:00:00 to 13-MAY-14 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall amounts of 6 to 15 inches were measured across the area. I-70 at Vail Pass was closed at times due to hazardous road conditions and vehicle accidents.  Wind gusts of 15 to 25 mph produced localized blowing and drifting snow.

Winter Storm in NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 10-MAY-14 23:00:00 to 13-MAY-14 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall amounts of 6 to 18 inches were measured across the area. Locally higher accumulations included 23 inches near Slumgullion Pass.  Wind gusts of 25 to 45 mph produced extensive blowing and drifting snow.

Winter Storm in SOUTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 10-MAY-14 23:00:00 to 13-MAY-14 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall amounts of 8 to 19 inches were measured across the area. Wind gusts of 15 to 25 mph produced localized blowing and drifting snow.

Winter Weather in UPPER YAMPA RIVER BASIN, COLORADO
From 11-MAY-14 00:00:00 to 11-MAY-14 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall amounts of 2 to 3 inches were measured across the area. Locally higher accumulations included 6 inches in the Yampa area.

Winter Storm in WEST ELK AND SAWATCH MOUNTAINS, COLORADO
From 10-MAY-14 14:00:00 to 12-MAY-14 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall amounts of 8 to 23 inches were measured across the area. Locally higher accumulations included 30 inches on Schofield Pass.  Wind gusts of 20 to 30 mph produced localized blowing and drifting snow.

Winter Storm in UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE, COLORADO
From 11-MAY-14 00:00:00 to 12-MAY-14 05:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Snowfall amounts of 4 to 12 inches were measured across the area above the 7000 foot level.  Wind gusts of 20 to 30 mph produced localized blowing and drifting snow.

Winter Weather in CENTRAL YAMPA RIVER BASIN, COLORADO
From 10-MAY-14 23:00:00 to 11-MAY-14 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Snowfall amounts of 1 to 3 inches were measured across the area.  Wind gusts of 25 to 40 mph produced many areas of blowing snow.

Winter Storm in UPPER GUNNISON RIVER VALLEY, COLORADO
From 11-MAY-14 22:00:00 to 12-MAY-14 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall amounts of 3 to 6 inches were measured across the area. Wind gusts of 20 to 30 mph produced localized blowing and drifting snow.

Heavy Snow in DEBEQUE TO SILT CORRIDOR, COLORADO
From 11-MAY-14 20:00:00 to 12-MAY-14 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Coast Guard

Snowfall amounts of 2 to 7 inches were measured across the area.

Winter Storm in ROAN AND TAVAPUTS PLATEAUS, COLORADO
From 11-MAY-14 00:00:00 to 12-MAY-14 05:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall amounts of 6 to 12 inches were measured across the area. Wind gusts of 30 to 45 mph produced extensive blowing and drifting snow.