Moisture associated with a landfalling moderate Atmospheric River reached western Colorado, riding on a 120-130 knot jet aloft. Perturbations in the northwest flow associated with this jet combined with favorable orographics to result in moderate to heavy snow across the mountains. Light to moderate snow also fell in some of the valley areas.

Heavy Snow in SOUTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 01-JAN-23 00:00:00 to 02-JAN-23 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Generally 20 to 30 inches of snow fell across the area with locally higher amounts.

Heavy Snow in UPPER YAMPA RIVER BASIN, COLORADO
From 01-JAN-23 00:00:00 to 01-JAN-23 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally a foot of snow fell across the area.

Heavy Snow in ROAN AND TAVAPUTS PLATEAUS, COLORADO
From 01-JAN-23 00:00:00 to 03-JAN-23 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

An estimated 10 to 20 inches of snow fell across the area.

Winter Weather in FOUR CORNERS / UPPER DOLORES RIVER BASIN, COLORADO
From 01-JAN-23 01:00:00 to 02-JAN-23 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 3 to 6 inches of snow fell across the area with locally higher amounts up to 10 inches reported.

Winter Weather in ANIMAS RIVER BASIN, COLORADO
From 01-JAN-23 14:30:00 to 02-JAN-23 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 4 to 8 inches of snow fell across the area with locally higher amounts of up to a foot reported.

Winter Weather in SAN JUAN RIVER BASIN, COLORADO
From 01-JAN-23 14:30:00 to 02-JAN-23 10:30:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 4 to 8 inches of snow fell across the area with locally higher amounts of up to a foot reported.

Winter Weather in LOWER YAMPA RIVER BASIN, COLORADO
From 01-JAN-23 12:00:00 to 02-JAN-23 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An estimated 4 to 7 inches of snow fell across the area.

Winter Weather in CENTRAL YAMPA RIVER BASIN, COLORADO
From 01-JAN-23 12:00:00 to 02-JAN-23 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An estimated 4 to 7 inches of snow fell across the area.

Winter Weather in GRAND VALLEY, COLORADO
From 02-JAN-23 16:30:00 to 03-JAN-23 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 1 to 3 inches of snow fell across the area.

Heavy Snow in ELKHEAD AND PARK MOUNTAINS, COLORADO
From 01-JAN-23 00:00:00 to 02-JAN-23 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Generally 1 to 2 feet of snow fell across the area with locally higher amounts.

Heavy Snow in GRAND AND BATTLEMENT MESAS, COLORADO
From 01-JAN-23 00:00:00 to 02-JAN-23 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Generally 8 to 16 inches of snow fell across the area with locally higher amounts.

Winter Weather in GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS, COLORADO
From 01-JAN-23 00:00:00 to 02-JAN-23 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Generally 4 to 8 inches of snow fell across the area.

Heavy Snow in WEST ELK AND SAWATCH MOUNTAINS, COLORADO
From 01-JAN-23 00:00:00 to 02-JAN-23 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Generally 10 to 20 inches of snow fell across the area with locally higher amounts.

Heavy Snow in FLATTOP MOUNTAINS, COLORADO
From 01-JAN-23 00:00:00 to 02-JAN-23 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Generally 1 to 2 feet of snow fell across the area with locally higher amounts.

Heavy Snow in UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE, COLORADO
From 01-JAN-23 00:00:00 to 02-JAN-23 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Over two feet of snow fell across the higher elevations.

Winter Weather in NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 01-JAN-23 00:00:00 to 02-JAN-23 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Generally 7 to 14 inches of snow fell across the area with locally higher amounts.