A broad upper level trough was situated over the northern portion of the United States. Meanwhile, a strong shortwave trough embedded in northwest flow combined with a surge of moisture from the south to produce widespread moderate to heavy snowfall across the area.

Winter Storm in ELKHEAD AND PARK MOUNTAINS, COLORADO
From 30-JAN-07 12:00:00 to 31-JAN-07 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

One to two feet of snow fell across the Elkhead and Park Mountains. Wind gusts of 20 to 30 mph caused blowing and drifting of snow.

Winter Weather in GRAND AND BATTLEMENT MESAS, COLORADO
From 30-JAN-07 22:00:00 to 31-JAN-07 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Six to ten inches of new snow accumulated across Grand and Battlement Mesas.

Winter Weather in UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE, COLORADO
From 30-JAN-07 12:00:00 to 31-JAN-07 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 5 to 12 inches accumulated across the Uncompahgre Plateau.

Winter Weather in SOUTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 30-JAN-07 12:00:00 to 31-JAN-07 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Snowfall of 5 to 12 inches occurred across the Southwest San Juan Mountains.

Winter Weather in FOUR CORNERS / UPPER DOLORES RIVER BASIN, COLORADO
From 30-JAN-07 23:00:00 to 31-JAN-07 19:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 4 to 7 inches blanketed areas from Dove Creek and Cortez to Mancos.

Winter Weather in CENTRAL COLORADO RIVER BASIN, COLORADO
From 30-JAN-07 23:00:00 to 31-JAN-07 09:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 3 to 6 inches blanketed the Interstate 70 corridor from Glenwood Springs to Avon, and the Roaring Fork River Valley including  the towns of Carbondale and Basalt.

Winter Storm in NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 30-JAN-07 13:00:00 to 31-JAN-07 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Snowfall amounts of 10 to 20 inches occurred across the Northwest San Juan Mountains. Wind gusts of 20 to 30 mph caused blowing and drifting of snow.

Heavy Snow in SAN JUAN RIVER BASIN, COLORADO
From 30-JAN-07 21:00:00 to 31-JAN-07 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 6 to 7 inches occurred across the higher elevations of the San Juan River Basin, including Pagosa Springs. Lesser amounts near 3 inches occurred near Arboles.

Winter Weather in FLATTOP MOUNTAINS, COLORADO
From 30-JAN-07 12:00:00 to 31-JAN-07 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Snowfall of 8 to 12 inches occurred across the Flat Top Mountains. Wind gusts of 20 to 30 mph caused blowing and drifting of snow.

Winter Weather in GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS, COLORADO
From 30-JAN-07 14:00:00 to 31-JAN-07 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Snowfall of 6 to 12 inches occurred across the Gore and Elk Mountains and surrounding high valleys, including the towns of Aspen and Vail.

Winter Weather in WEST ELK AND SAWATCH MOUNTAINS, COLORADO
From 30-JAN-07 12:00:00 to 31-JAN-07 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Snowfall of 5 to 12 inches occurred across the West Elk and Sawatch Mountains. Locally higher amounts up to 18 inches fell at Monarch Pass and Schofield Pass. Wind gusts of 20 to 30 mph caused blowing and drifting of snow. An isolated wind gust of 51 mph occurred at Salida Mountain.