A moist Pacific low pressure system produced a prolonged period of heavy snowfall across much of western Colorado with areas of blowing snow.

Winter Storm in NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 30-JAN-16 18:00:00 to 31-JAN-16 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall amounts of 1 to 2 feet were measured across the area. Locally heavier amounts included 27 inches at the avalanche monument on Highway 550. Wind gusts of 25 to 45 mph produced areas of blizzard conditions.  Even stronger winds were measured on ridgetops with gusts of 60 to 70 mph.

Winter Storm in SOUTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 30-JAN-16 19:00:00 to 31-JAN-16 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall amounts of 2 to 3 feet were measured across the area. Locally heavier amounts included 45 inches at the Spud Mountain SNOTEL site. Wind gusts of 20 to 40 mph occurred with localized blizzard conditions.  Even stronger winds were measured on ridgetops with a peak gust to 74 mph measured on Kendall Mountain.  Highway 550 over Red Mountain Pass was closed for about 46 hours, from early on the evening of January 31st until late in the afternoon of February 2nd.

Heavy Snow in PARADOX VALLEY / LOWER DOLORES RIVER BASIN, COLORADO
From 30-JAN-16 22:00:00 to 31-JAN-16 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Snowfall amounts of 4 to 10 inches were measured across the area.

Winter Storm in FOUR CORNERS / UPPER DOLORES RIVER BASIN, COLORADO
From 31-JAN-16 02:00:00 to 31-JAN-16 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall amounts of 4 to 10 inches were measured across the area. Locally heavier amounts included 11 inches at Mesa Verde National Park and just over 12 inches at a location about four miles west of Mancos.  Wind gusts of 20 to 35 mph produced areas of blowing and drifting snow.

Winter Storm in ANIMAS RIVER BASIN, COLORADO
From 30-JAN-16 20:00:00 to 31-JAN-16 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall amounts of 5 to 10 inches were measured across much of the zone, although the area from Durango to Ignacio only received 1 to 3 inches. Wind gusts of 20 to 35 mph produced areas of blowing and drifting snow.

Winter Storm in SAN JUAN RIVER BASIN, COLORADO
From 30-JAN-16 21:30:00 to 31-JAN-16 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall amounts of 6 to 13 inches were measured across the area. Wind gusts of 20 to 30 mph produced some areas of blowing and drifting snow.

Winter Weather in LOWER YAMPA RIVER BASIN, COLORADO
From 31-JAN-16 19:00:00 to 31-JAN-16 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Snowfall amounts of 2 to 4 inches were measured across the area.  Locally heavier amounts included 8 inches at Rangely.

Winter Weather in CENTRAL YAMPA RIVER BASIN, COLORADO
From 31-JAN-16 17:30:00 to 31-JAN-16 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Snowfall amounts of 2 to 4 inches were measured across the area. Locally heavier amounts included 13 inches at a location 33 miles north of Craig.

Winter Weather in UPPER YAMPA RIVER BASIN, COLORADO
From 31-JAN-16 17:30:00 to 31-JAN-16 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall amounts of 6 to 8 inches were measured across the area. Locally heavier amounts included 11 inches in Steamboat Springs.

Winter Storm in ROAN AND TAVAPUTS PLATEAUS, COLORADO
From 31-JAN-16 12:00:00 to 31-JAN-16 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall amounts of 12 to 21 inches were measured across the area.

Heavy Snow in GRAND VALLEY, COLORADO
From 31-JAN-16 13:00:00 to 31-JAN-16 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall amounts of 6 to 12 inches were measured across the area.

Winter Storm in DEBEQUE TO SILT CORRIDOR, COLORADO
From 31-JAN-16 14:00:00 to 31-JAN-16 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall amounts of 4 to 7 inches were measured across the area. Locally heavier amounts included 15 inches at Collbran.

Heavy Snow in CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN, COLORADO
From 30-JAN-16 21:30:00 to 31-JAN-16 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall amounts of 6 to 14 inches were measured across the area. Locally heavier amounts included 18 inches in the Paonia area.

Winter Storm in GRAND AND BATTLEMENT MESAS, COLORADO
From 31-JAN-16 09:00:00 to 31-JAN-16 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall amounts of 1 to 2 feet were measured across the area.  Wind gusts of 25 to 35 mph produced areas of blowing and drifting snow. Highway 65 over the Grand Mesa was closed from the evening of January 31st until late afternoon on February 1st due to adverse travel conditions and avalanche mitigation.

Winter Storm in WEST ELK AND SAWATCH MOUNTAINS, COLORADO
From 31-JAN-16 11:00:00 to 31-JAN-16 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Snowfall amounts of 1 to 2 feet were measured across the area. Locally heavier amounts included 43 inches at Irwin Lodge and 39 inches at Gothic. Wind gusts of 20 to 30 mph produced some areas of blowing and drifting snow.

Heavy Snow in UPPER GUNNISON RIVER VALLEY, COLORADO
From 31-JAN-16 04:30:00 to 31-JAN-16 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Snowfall amounts of 6 to 12 inches were measured across the Gunnison County portion of the zone, while higher amounts occurred in the Montrose County portion of the zone.  A storm total of 33 inches was measured at Black Canyon of the Gunnison National Park.  The chain law was imposed for travel over Cerro Summit.

Winter Weather in ELKHEAD AND PARK MOUNTAINS, COLORADO
From 31-JAN-16 11:00:00 to 31-JAN-16 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Snowfall amounts of 5 to 10 inches were measured across the area. Wind gusts of 20 to 30 mph produced some areas of blowing and drifting snow.

Winter Storm in GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS, COLORADO
From 31-JAN-16 08:00:00 to 31-JAN-16 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Snowfall amounts of 10 to 18 inches were measured across the area. Wind gusts of 20 to 40 mph produced areas of blowing and drifting snow.

Winter Weather in FLATTOP MOUNTAINS, COLORADO
From 31-JAN-16 11:00:00 to 31-JAN-16 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Snowfall amounts of 4 to 8 inches were measured across the area. Wind gusts of 20 to 25 mph produced localized blowing and drifting snow.

Winter Storm in UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE, COLORADO
From 31-JAN-16 00:00:00 to 31-JAN-16 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Snowfall amounts of 12 to 20 inches were measured across the area. Wind gusts of 20 to 45 mph produced areas of blowing and drifting snow.