The phasing of two systems...a strong low pressure system that lifted across the Four Corners region and a shortwave trough that dove southward through the Great Basin...resulted in moderate to heavy snow over the mountains of western Colorado as well as in some of the northern and central valleys.

Winter Storm in ROAN AND TAVAPUTS PLATEAUS, COLORADO
From 12-MAR-19 10:00:00 to 14-MAR-19 01:30:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Around 10 to 15 inches of snow fell on and around Douglas Pass. Additionally, winds gusted up to 52 MPH which resulted in the Colorado Department of Transportation closing the Pass due to reduced visibilities.

Heavy Snow in GRAND AND BATTLEMENT MESAS, COLORADO
From 11-MAR-19 20:00:00 to 13-MAR-19 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 12 to 24 inches of snow fell across the area. The new, wet heavy snow fell on an already unstable snowpack. As a result of increased avalanche concern, Colorado Highway 62 was closed over the Grand Mesa for over a day for mitigation.

Winter Weather in GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS, COLORADO
From 12-MAR-19 08:00:00 to 14-MAR-19 01:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Generally 8 to 14 inches of snow fell across the area. Winds gusted up to 46 MPH.

Heavy Snow in FLATTOP MOUNTAINS, COLORADO
From 12-MAR-19 05:00:00 to 13-MAR-19 23:00:00 (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 up to 18 inches.

Heavy Snow in UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE, COLORADO
From 11-MAR-19 22:00:00 to 13-MAR-19 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Snowfall amounts exceeded 2 feet at the Columbine Pass SNOTEL site.

Heavy Snow in NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 11-MAR-19 20:00:00 to 13-MAR-19 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 20 to 30 inches of snow fell across the area.

Winter Weather in CENTRAL YAMPA RIVER BASIN, COLORADO
From 12-MAR-19 21:00:00 to 13-MAR-19 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Generally 3 to 6 inches of snow fell across the area with up to 7 inches reported in Hayden. Winds gusted from 40 to 50 MPH at times.

Winter Weather in ELKHEAD AND PARK MOUNTAINS, COLORADO
From 12-MAR-19 09:00:00 to 14-MAR-19 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

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

Winter Weather in UPPER YAMPA RIVER BASIN, COLORADO
From 12-MAR-19 22:00:00 to 13-MAR-19 15:30:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 7 to 13.5 inches of snow fell across the area.

Winter Weather in WEST ELK AND SAWATCH MOUNTAINS, COLORADO
From 11-MAR-19 19:00:00 to 13-MAR-19 13:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 10 to 17 inches of snow fell across the area.

Winter Weather in UPPER GUNNISON RIVER VALLEY, COLORADO
From 12-MAR-19 22:30:00 to 13-MAR-19 10:30:00 (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 close to 8 inches.

Winter Weather in ANIMAS RIVER BASIN, COLORADO
From 11-MAR-19 04:00:00 to 13-MAR-19 21:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 2 to 6 inches of snow fell across the area with locally higher amounts up to 7 inches in the surrounding foothills.

Winter Weather in SAN JUAN RIVER BASIN, COLORADO
From 11-MAR-19 04:00:00 to 14-MAR-19 00:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 4 to 5 inches of snow fell near Chimney Rock and south-southeast of Pagosa Springs.

Heavy Snow in SOUTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 11-MAR-19 01:00:00 to 14-MAR-19 00:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Generally 15 to 30 inches of snow fell across the area with locally higher amounts nearing 4 feet. As a result of all the new wet, heavy snow and increased avalanche concern both Lizard Head and Red Mountain Passes closed, with Red Mountain Pass remaining closed indefinitely.