Upper level flow shifted to the west-southwest and then the southwest ahead of an approaching Pacific storm. The storm split into two systems - a closed low tracking over the Desert Southwest and a northern wave which trekked across western Colorado on the night of the 22nd. A secondary wave on the backside of the trough moved over the southern half of the forecast area on the 24th. This long duration storm brought moderate to heavy snow across the central and southern mountains as well as some valleys. Winds gusted from 45 to 55 mph at times in the higher elevations.

Heavy Snow in GRAND AND BATTLEMENT MESAS, COLORADO
From 22-JAN-21 14:00:00 to 25-JAN-21 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 10 to 20 inches of snow fell across the area with 24.8 inches measured by a CoCoRaHS observer at Mesa Lakes Lodge on the Grand Mesa.

Winter Weather in WEST ELK AND SAWATCH MOUNTAINS, COLORADO
From 22-JAN-21 07:00:00 to 25-JAN-21 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 6 to 12 inches of snow fell across the area with up to 14.7 inches estimated at the Schofield Pass SNOTEL site.

Winter Storm in UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE, COLORADO
From 22-JAN-21 05:00:00 to 25-JAN-21 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

An estimated 21 inches of snow fell at the Columbine Pass SNOTEL site. Winds gusted from 45 to 55 mph at times.

Heavy Snow in SOUTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 22-JAN-21 01:00:00 to 25-JAN-21 17:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 10 to 20 inches of snow fell across the area with locally higher amounts of up to 2 feet.

Winter Weather in FOUR CORNERS / UPPER DOLORES RIVER BASIN, COLORADO
From 24-JAN-21 05:00:00 to 25-JAN-21 04:15:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Generally 2 to 3 inches of snow fell across the area with up to 8 inches measured by the Cooperative Observer at Mesa Verde National Park.

Winter Weather in ANIMAS RIVER BASIN, COLORADO
From 24-JAN-21 03:30:00 to 25-JAN-21 04:30:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 2 to 5 inches of snow fell across the area with up to 6.8 inches measured by a trained spotter 1 mile south-southwest of Durango.

Winter Weather in SAN JUAN RIVER BASIN, COLORADO
From 23-JAN-21 21:30:00 to 25-JAN-21 09:30:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 3 to 7 inches of snow fell across the area.

Heavy Snow in GRAND VALLEY, COLORADO
From 24-JAN-21 10:30:00 to 25-JAN-21 03:30:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Up to an inch of snow fell in Fruita with 2 to 3 inches measured in Grand Junction. The heaviest snowfall fell in Palisade with generally 4 to 6 inches with a locally high measurement of 7.5 inches reported by a CoCoRaHS observer 3.3 miles east-northeast of town.

Winter Weather in CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN, COLORADO
From 24-JAN-21 07:30:00 to 25-JAN-21 05:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 2 to 5 inches of snow fell around Delta with 1 to 3 inches measured in Montrose.