A moist southwest flow that was followed by a potent upper trough brought a prolonged period of snowfall to the region.

Winter Weather in UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE, COLORADO
From 22-JAN-17 07:00:00 to 24-JAN-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall amounts of 7 to 11 inches were measured across the area.

Winter Weather in UPPER GUNNISON RIVER VALLEY, COLORADO
From 22-JAN-17 07:00:00 to 24-JAN-17 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Snowfall amounts of 4 to 5 inches were measured across the area.

Winter Storm in NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 22-JAN-17 07:00:00 to 24-JAN-17 17:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Generally 10 to 20 inches of snow fell across the area.  Wind gusts of 20 to 30 mph produced areas of blowing and drifting snow especially over the higher passes.  Highway 550 at Red Mountain Pass and Highway 145 over Lizard Head Pass were closed for much of the duration of the storm.

Winter Storm in GRAND AND BATTLEMENT MESAS, COLORADO
From 22-JAN-17 09:00:00 to 25-JAN-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Snowfall amounts of 8 to 16 inches were measured across the area. On the evening of the 24th an isolated band of heavy snow showers set up between the town of Mesa and Powderhorn Ski Resort which produced 6 to 9 inches of snow within 12 hours.

Winter Weather in UPPER YAMPA RIVER BASIN, COLORADO
From 22-JAN-17 20:00:00 to 25-JAN-17 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall amounts of 6 to 10 inches were measured mainly in the Steamboat Springs area northward to Clark.

Winter Storm in FOUR CORNERS / UPPER DOLORES RIVER BASIN, COLORADO
From 22-JAN-17 22:00:00 to 25-JAN-17 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 6 to 12 inches of snow fell across the area.  Locally higher amounts included 20 inches near Dolores.

Winter Weather in ANIMAS RIVER BASIN, COLORADO
From 22-JAN-17 22:00:00 to 25-JAN-17 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall amounts of 4 to 6 inches and locally higher amounts to 8 inches were measured within the zone.

Winter Weather in ROAN AND TAVAPUTS PLATEAUS, COLORADO
From 23-JAN-17 21:00:00 to 24-JAN-17 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall amounts around 6 inches were measured over Douglas Pass.

Winter Storm in ELKHEAD AND PARK MOUNTAINS, COLORADO
From 21-JAN-17 23:00:00 to 24-JAN-17 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Generally 8 to 16 inches of snow fell across the area.  Locally higher amounts included 20 inches at the Tower SNOTEL site.

Winter Storm in SOUTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 22-JAN-17 07:00:00 to 24-JAN-17 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Generally 12 to 24 inches of snow were measured across the area.  Locally higher amounts included 34 inches just northeast of Mancos. Wind gusts of 20 to 30 mph produced areas of blowing and drifting snow especially over the passes.  Even stronger winds were measured at the ridgetops, including a gust to 72 mph on Eagle Mountain.
Highway 145 over Lizard Head Pass and Highway 550 were closed for significant periods of time due to adverse weather conditions.

Winter Storm in WEST ELK AND SAWATCH MOUNTAINS, COLORADO
From 22-JAN-17 07:00:00 to 24-JAN-17 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Snowfall amounts of 8 to 18 inches were measured across the area. Locally higher amounts included 28 inches at the Schofield Pass SNOTEL site.

Winter Storm in FLATTOP MOUNTAINS, COLORADO
From 22-JAN-17 11:00:00 to 24-JAN-17 13:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Generally 6 to 12 inches of snow fell across the area.

Winter Weather in GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS, COLORADO
From 22-JAN-17 05:00:00 to 25-JAN-17 13:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

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

Winter Storm in SAN JUAN RIVER BASIN, COLORADO
From 22-JAN-17 18:00:00 to 25-JAN-17 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall amounts of 5 to 7 inches were measured in the Pagosa Springs area.