A moist Pacific storm system moved inland over the Pacific coast and then tracked through the Great Basin region, spreading snowfall across much of eastern Utah and Western Colorado. The best upper level support associated with this storm was positioned over southern Colorado and southeast Utah, which received the heaviest snowfall.

Winter Storm in ANIMAS RIVER BASIN, COLORADO
From 22-DEC-09 06:00:00 to 23-DEC-09 06:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 5 to 7 inches occurred across half of the area, including in and around the town of Durango. The adverse weather conditions caused the closure of roadways near Fort Lewis College in Durango.

Winter Weather in NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 22-DEC-09 08:00:00 to 24-DEC-09 05:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall of 5 to 12 inches occurred with locally higher amounts, including 15 inches at the Monument area of Red Mountain Pass. Wind gusts up to 30 mph produced blowing and drifting snow.

Winter Storm in SAN JUAN RIVER BASIN, COLORADO
From 22-DEC-09 09:00:00 to 23-DEC-09 01:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 5 to 8 inches occurred across the area.

Winter Storm in FOUR CORNERS / UPPER DOLORES RIVER BASIN, COLORADO
From 22-DEC-09 05:00:00 to 22-DEC-09 22:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy snowfall of 4 to 8 inches occurred across the area with locally higher amounts, including 12 inches near the town of Dove Creek and 11 inches near Cahone. Adverse weather conditions caused the closure of Highway 141. Wind gusts up to 30 mph produced significant blowing and drifting snow. Locally stronger wind gusts occurred across northwest portions of the area where snow drifts were up to 2 feet deep.

Winter Weather in PARADOX VALLEY / LOWER DOLORES RIVER BASIN, COLORADO
From 22-DEC-09 12:00:00 to 22-DEC-09 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall amounts across the area ranged from 2 to 4 inches with locally higher amounts reported, including 6 inches in Paradox.

Winter Storm in FLATTOP MOUNTAINS, COLORADO
From 22-DEC-09 12:00:00 to 24-DEC-09 06:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Heavy snowfall of 12 to 14 inches occurred across the area.

Winter Weather in ROAN AND TAVAPUTS PLATEAUS, COLORADO
From 22-DEC-09 12:00:00 to 23-DEC-09 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall of 5 to 6 inches occurred above the 7,500 foot level.

Winter Weather in ELKHEAD AND PARK MOUNTAINS, COLORADO
From 23-DEC-09 10:00:00 to 24-DEC-09 06:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 6 to 12 inches occurred across the area with locally higher amounts, including 15 inches over Rabbit Ears Pass and 14 inches at the Dry Lake SNOTEL site.

Winter Weather in GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS, COLORADO
From 22-DEC-09 12:00:00 to 24-DEC-09 04:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 5 to 12 occurred across the area.

Winter Weather in WEST ELK AND SAWATCH MOUNTAINS, COLORADO
From 22-DEC-09 12:00:00 to 24-DEC-09 05:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 5 to 10 occurred across the area.

Winter Weather in UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE, COLORADO
From 22-DEC-09 07:00:00 to 22-DEC-09 19:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 5 to 8 inches occurred above the 7,500 foot level.

Winter Weather in SOUTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 22-DEC-09 05:00:00 to 23-DEC-09 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall of 5 to 12 inches occurred with wind gusts up to 40 mph producing blowing and drifting snow. This snowfall caused an avalanche to occur over highway 550, burying the road under 4 feet of snow, which resulted in the road being closed for several hours.

Winter Storm in GRAND AND BATTLEMENT MESAS, COLORADO
From 22-DEC-09 06:00:00 to 24-DEC-09 05:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy snowfall of 12 to 17 inches occurred above the 8,000 foot level. Wind gusts up to 30 mph produced blowing and drifting snow.