A Pacific trough and associated cold front moved through the area causing widespread snowfall in the mountains and some higher elevation valleys of western Colorado.

Winter Weather in ELKHEAD AND PARK MOUNTAINS, COLORADO
From 20-MAR-13 15:00:00 to 21-MAR-13 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall totals of 5 to 12 inches were measured across the area. Wind gusts of 25 to 40 mph produced extensive blowing and drifting snow.

Winter Weather in FLATTOP MOUNTAINS, COLORADO
From 20-MAR-13 22:00:00 to 21-MAR-13 22:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Snowfall totals of 5 to 11 inches were measured across the area. Wind gusts of 20 to 40 mph produced extensive blowing and drifting snow.

Winter Weather in UPPER GUNNISON RIVER VALLEY, COLORADO
From 21-MAR-13 02:00:00 to 21-MAR-13 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall totals of 2 to 3 inches were measured across the area.

Winter Weather in GRAND AND BATTLEMENT MESAS, COLORADO
From 21-MAR-13 01:00:00 to 21-MAR-13 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall totals of 5 to 11 inches were measured across the area. Wind gusts of 20 to 30 mph produced areas of blowing and drifting snow.

Winter Weather in GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS, COLORADO
From 21-MAR-13 04:00:00 to 21-MAR-13 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall totals of 6 to 12 inches were measured across the area. Wind gusts of 25 to 45 mph produced extensive blowing and drifting snow.  I-70 at Vail Pass was closed most of the day due to numerous accidents on the treacherous road conditions.

Winter Weather in WEST ELK AND SAWATCH MOUNTAINS, COLORADO
From 20-MAR-13 22:00:00 to 21-MAR-13 21:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall totals of 5 to 12 inches were measured across the area. Locally higher amounts included 14 inches at Gothic.  Wind gusts of 20 to 40 mph produced extensive blowing and drifting snow.

Winter Weather in SOUTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 20-MAR-13 16:00:00 to 21-MAR-13 13:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall totals of 4 to 10 inches were measured across the area. Wind gusts of 25 to 40 mph produced extensive blowing and drifting snow.  Even stronger winds to 50 mph were measured on ridgetops.

Winter Weather in NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 20-MAR-13 17:00:00 to 21-MAR-13 13:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall totals of 4 to 10 inches were measured across the area. Wind gusts of 30 to 50 mph produced extensive blowing and drifting snow with localized blizzard conditions.  Even strong winds occurred on ridgetops, including gusts to 61 mph on Mount Abrahms.

Winter Weather in CENTRAL COLORADO RIVER BASIN, COLORADO
From 21-MAR-13 04:00:00 to 21-MAR-13 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall totals of 2 to 4 inches were measured across the area.  A number of vehicle accidents occurred on I-70 between Eagle and Wolcott Junction due to slick and snowpacked roads.