A Pacific trough developed into a closed upper low that was centered over southwest Colorado.  Significant snowfall occurred over most mountains and some lower elevation areas of western Colorado.

Winter Weather in CENTRAL YAMPA RIVER BASIN, COLORADO
From 01-NOV-11 16:00:00 to 02-NOV-11 05:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 2 to 4 inches blanketed the area. Winds that gusted from 25 to 40 mph produced areas of blowing and drifting snow.

Winter Weather in WEST ELK AND SAWATCH MOUNTAINS, COLORADO
From 01-NOV-11 19:00:00 to 02-NOV-11 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 4 to 10 inches blanketed the area. Winds that gusted from 30 to 40 mph produced areas of blowing and drifting snow.

Winter Weather in UPPER GUNNISON RIVER VALLEY, COLORADO
From 02-NOV-11 00:00:00 to 02-NOV-11 06:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Snowfall of 3 to 7 inches blanketed the area. Winds that gusted from 25 to 35 mph produced areas of blowing and drifting snow.

Winter Weather in UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE, COLORADO
From 01-NOV-11 18:00:00 to 02-NOV-11 04:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 3 to 8 inches blanketed the area above the 8000 foot level. Winds that gusted from 25 to 45 mph produced areas of blowing and drifting snow.

Winter Weather in ELKHEAD AND PARK MOUNTAINS, COLORADO
From 01-NOV-11 15:00:00 to 02-NOV-11 07:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 4 to 9 inches blanketed the area. Winds that gusted from 20 to 45 mph produced areas of blowing and drifting snow.

Winter Weather in GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS, COLORADO
From 01-NOV-11 18:00:00 to 02-NOV-11 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 6 to 10 inches blanketed the area. Winds that gusted from 20 to 55 mph produced localized blowing and drifting snow.

Winter Weather in FLATTOP MOUNTAINS, COLORADO
From 01-NOV-11 16:00:00 to 02-NOV-11 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Snowfall of 5 to 9 inches blanketed the area. Winds that gusted from 20 to 40 mph produced areas of blowing and drifting snow.

Winter Weather in NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 01-NOV-11 20:00:00 to 02-NOV-11 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall of 5 to 10 inches blanketed the area. Locally heavier amounts included 15 inches at Ouray. Winds that gusted from 30 to 50 mph resulted in extensive blowing and drifting snow.

Winter Weather in CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN, COLORADO
From 01-NOV-11 22:00:00 to 02-NOV-11 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 2 to 6 inches blanketed the area above the 6000 foot level. Winds that gusted from 30 to 40 mph produced areas of blowing and drifting snow.

Winter Weather in GRAND AND BATTLEMENT MESAS, COLORADO
From 01-NOV-11 17:00:00 to 02-NOV-11 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 7 to 12 inches blanketed the area. Winds that gusted from 25 to 35 mph produced localized blowing and drifting snow.

Winter Weather in DEBEQUE TO SILT CORRIDOR, COLORADO
From 01-NOV-11 19:00:00 to 02-NOV-11 00:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall of 3 to 5 inches occurred across most of the area. Winds that gusted from 25 to 35 mph produced localized blowing and drifting snow.

Winter Weather in CENTRAL COLORADO RIVER BASIN, COLORADO
From 01-NOV-11 20:00:00 to 02-NOV-11 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall of 3 to 5 inches blanketed the area. Winds that gusted from 20 to 30 mph produced localized blowing and drifting snow.