An upper trough extending from a low pressure area in Montana moved across the central Rocky Mountain region.

Winter Weather in ROAN AND TAVAPUTS PLATEAUS, COLORADO
From 08-JAN-11 12:00:00 to 09-JAN-11 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Around 5 inches of snow accumulated above the 7500 foot level.

Winter Weather in UPPER YAMPA RIVER BASIN, COLORADO
From 08-JAN-11 17:00:00 to 09-JAN-11 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 6 to 10 inches blanketed the area.

Winter Weather in LOWER YAMPA RIVER BASIN, COLORADO
From 08-JAN-11 11:00:00 to 09-JAN-11 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 6 to 12 inches were measured from this snowfall event.

Winter Storm in CENTRAL YAMPA RIVER BASIN, COLORADO
From 08-JAN-11 17:00:00 to 09-JAN-11 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 5 to 7 inches blanketed that area and resulted in very hazardous driving conditions.

Winter Weather in UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE, COLORADO
From 08-JAN-11 12:00:00 to 09-JAN-11 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall accumulations of 5 to 10 inches were measured across the area.

Winter Weather in NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 08-JAN-11 11:00:00 to 10-JAN-11 04:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Accumulations of new snow ranged from 5 to 12 inches.  Snowfall persisted within this zone into the early hours of January 10th mainly near the continental divide.

Winter Weather in DEBEQUE TO SILT CORRIDOR, COLORADO
From 08-JAN-11 20:00:00 to 09-JAN-11 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall accumulations of 2 to 4 inches were measured.

Winter Weather in CENTRAL COLORADO RIVER BASIN, COLORADO
From 08-JAN-11 20:00:00 to 09-JAN-11 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall accumulations of 3 to 6 inches were measured across the area.

Winter Weather in CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN, COLORADO
From 08-JAN-11 22:00:00 to 09-JAN-11 21:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Widespread snowfall accumulations of 3 to 6 inches were measured.  Locally heavier amounts included 8 inches at Paonia and 7 inches in Crowford and portions of Montrose.

Winter Weather in UPPER GUNNISON RIVER VALLEY, COLORADO
From 08-JAN-11 23:00:00 to 09-JAN-11 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall accumulations of 2 to 6 inches were measured across the area.  Locally heavier amounts included 9.5 inches at Black Canyon of the Gunnison National Park.

Winter Weather in SOUTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 08-JAN-11 10:00:00 to 10-JAN-11 01:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall accumulations of 5 to 11 inches were measured across the area.  Winds gusted up to 35 mph and produced areas of blowing and drifting snow mainly above the 10,000 foot level.  Snowfall persisted within this zone into the early hours of January 10th mainly near the continental divide.

Winter Storm in ELKHEAD AND PARK MOUNTAINS, COLORADO
From 08-JAN-11 10:00:00 to 09-JAN-11 19:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Measured snowfall amounts ranged from 12 to 17 inches across most of the area.

Winter Storm in FLATTOP MOUNTAINS, COLORADO
From 08-JAN-11 10:00:00 to 09-JAN-11 17:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Measured snowfall amounts ranged from 12 to 16 inches across most of the area.

Winter Weather in PARADOX VALLEY / LOWER DOLORES RIVER BASIN, COLORADO
From 08-JAN-11 23:00:00 to 09-JAN-11 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Measured snowfall amounts ranged from 2 to 6 inches across the area.

Winter Weather in GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS, COLORADO
From 08-JAN-11 10:00:00 to 10-JAN-11 04:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 6 to 12 inches was measured across the area.  Locally heavier amounts include 15 inches at Aspen Ski Area.  Snowfall persisted within this zone into the early hours of January 10th mainly near the continental divide.

Winter Weather in WEST ELK AND SAWATCH MOUNTAINS, COLORADO
From 08-JAN-11 12:00:00 to 10-JAN-11 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Widespread 8 to 12 inches of snow was measured across the area.  Locally heavier amounts included 16 inches at the North Lost Trail SNOTEL site.  Snowfall persisted within this zone into the early hours of January 10th mainly near the continental divide.