A powerful low pressure system affected much of the southwestern United States from February 20th through the 23rd. This storm was characterized by cold temperatures and very high snowfall totals across the Four Corners region. Over three feet of snow fell in the San Juan Mountains with well over a foot along portions of the Colorado Highway 160 corridor. The northern and central mountains did not see much accumulating snow until the latter half of the storm as a result of the southwesterly flow shadowing areas downwind.

Heavy Snow in UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE, COLORADO
From 20-FEB-19 17:00:00 to 22-FEB-19 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An estimated 34 inches of snow fell over the Columbine Pass SNOTEL site with 4 to 8 inches over the lower elevations.

Heavy Snow in NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 20-FEB-19 18:00:00 to 23-FEB-19 09:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Generally 8 to 16 inches of snow fell across the area with 2 to 3 feet on favored slopes.

Heavy Snow in SOUTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 20-FEB-19 17:00:00 to 22-FEB-19 19:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Generally 26 to 54 inches of snow fell across the area with locally higher amounts of 56, 64 and 66 inches at the Vallecito, Weminche Creek and Columbus Basin SNOTEL sites, respectively.

Winter Weather in PARADOX VALLEY / LOWER DOLORES RIVER BASIN, COLORADO
From 20-FEB-19 19:00:00 to 22-FEB-19 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 2 to 5 inches of snow fell across the area. Winds gusted up to 32 MPH.

Winter Storm in FOUR CORNERS / UPPER DOLORES RIVER BASIN, COLORADO
From 20-FEB-19 21:00:00 to 22-FEB-19 19:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 7 to 14 inches of snow fell across the area. Winds gusted up to 32 MPH. As a result of the heavy snow, classes were cancelled for all Montezuma, Cortez and Dolores schools.

Heavy Snow in ANIMAS RIVER BASIN, COLORADO
From 20-FEB-19 18:00:00 to 21-FEB-19 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 12 to 24 inches of snow fell across the area with locally higher amounts of 31 inches 4.8 miles west-southwest of Durango and 33.5 inches 4.9 miles southeast of Hesperus. As a result of the heavy snow, classes were cancelled for all Durango 9-R District schools as well as for Fort Lewis College.

Heavy Snow in SAN JUAN RIVER BASIN, COLORADO
From 20-FEB-19 19:00:00 to 22-FEB-19 19:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 5 to 15 inches of snow fell across the area.

Heavy Snow in ROAN AND TAVAPUTS PLATEAUS, COLORADO
From 20-FEB-19 17:00:00 to 22-FEB-19 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

The Colorado Department of Transportation measured 21 inches of snow over Douglas Pass. The heavy snow resulted in hazardous travel conditions along Colorado Highway 139 and a semi truck became jackknifed on the morning of February 21st.

Heavy Snow in GRAND AND BATTLEMENT MESAS, COLORADO
From 20-FEB-19 22:00:00 to 22-FEB-19 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Generally 7 to 14 inches of snow fell across the area with locally higher amounts of 24 and 30 inches at the Mesa Lakes and Park Reservoir SNOTEL sites, respectively. Colorado Highway 65 was closed due to avalanche control operations on the Grand Mesa.

Winter Weather in GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS, COLORADO
From 21-FEB-19 07:00:00 to 23-FEB-19 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Generally 4 to 10 inches of snow fell across the area with an estimated 16 inches at the Kiln SNOTEL site.

Winter Weather in WEST ELK AND SAWATCH MOUNTAINS, COLORADO
From 21-FEB-19 09:00:00 to 23-FEB-19 00:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Generally 4 to 8 inches of snow fell across the area with an estimated 16 inches at the Schofield Pass SNOTEL site.

Winter Weather in FLATTOP MOUNTAINS, COLORADO
From 21-FEB-19 08:00:00 to 22-FEB-19 19:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Generally 6 to 14 inches of snow fell across the area.

Winter Weather in CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN, COLORADO
From 22-FEB-19 16:00:00 to 23-FEB-19 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 4 to 7 inches of snow fell in and around the city of Montrose with 1 to 4 inches measured across south Delta County.