A moist and strong southwest flow across the region preceded an upper trough which crossed over the area late on March 2nd through early on March 4th.  This situation resulted in a prolonged and nearly continuous snowfall event for many mountain areas of eastern Utah and western Colorado.

Winter Storm in ROAN AND TAVAPUTS PLATEAUS, COLORADO
From 27-FEB-15 14:00:00 to 28-FEB-15 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

This storm which continued into the afternoon of March 3rd produced total snowfall amounts of 10 to 14 inches above the 7500 foot level.  Wind gusts of 25 to 40 mph produced areas of blowing and drifting snow.  Locally stronger peak winds to 64 mph were measured on Douglas Pass.

Winter Storm in GRAND AND BATTLEMENT MESAS, COLORADO
From 27-FEB-15 08:00:00 to 28-FEB-15 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

This storm which continued into the evening of March 3rd produced total snowfall amounts of 1 to 2.5 feet.  Locally higher amounts included 4 feet at the Park Reservoir SNOTEL site.  Wind gusts of 25 to 40 mph produced areas of blowing and drifting snow.  Locally stronger peak winds to 64 mph were measured at the Whitewater weather station just below the 10,000 foot level.

Heavy Snow in SAN JUAN RIVER BASIN, COLORADO
From 27-FEB-15 13:00:00 to 28-FEB-15 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

This snowfall event which continued into the afternoon of March 1st produced total snowfall amounts of 8 to 13 inches across the area.

Winter Storm in UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE, COLORADO
From 28-FEB-15 09:00:00 to 28-FEB-15 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

This storm which continued into the evening of March 3rd produced total snowfall amounts of 1 to 3 feet above the 8000 foot level.  Wind gusts of 20 to 35 mph produced areas of blowing and drifting snow.

Winter Storm in WEST ELK AND SAWATCH MOUNTAINS, COLORADO
From 28-FEB-15 07:00:00 to 28-FEB-15 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

This storm which continued into the early morning of March 4th produced total snowfall amounts of 1 to 3 feet across the area.  Locally higher amounts included 5 feet at Schofield Pass and 39 inches at Crested Butte Ski Area.  Wind gusts of 25 to 40 mph produced areas of blowing and drifting snow.

Winter Weather in UPPER GUNNISON RIVER VALLEY, COLORADO
From 28-FEB-15 12:00:00 to 28-FEB-15 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

This snowfall event which continued into the late evening of March 3rd produced total snowfall amounts of 3 to 6 inches across most of the area.  Locally higher amounts included 14 inches at Black Canyon of the Gunnison National Park.

Winter Storm in GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS, COLORADO
From 27-FEB-15 16:00:00 to 28-FEB-15 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

This storm which continued into the morning of March 4th produced total snowfall amounts of 1 to 2 feet across the area.  Locally higher amounts included 46 inches at Snowmass Ski Area and 35 inches at Aspen Mountain Ski Area.  Wind gusts of 25 to 45 mph produced areas of blowing and drifting snow.

Winter Weather in CENTRAL COLORADO RIVER BASIN, COLORADO
From 27-FEB-15 15:00:00 to 28-FEB-15 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

This snowfall event which continued into the evening of March 3rd produced total snowfall amounts of 2 to 6 inches across the area.  Locally higher amounts included 11 inches at Edwards. Slick and snowpacked roads resulted in numerous vehicle accidents.  I-70 from Glenwood Canyon to near Wolcott was closed at times.

Winter Storm in FLATTOP MOUNTAINS, COLORADO
From 28-FEB-15 09:00:00 to 28-FEB-15 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

This storm which continued into the early morning of March 4th produced total snowfall amounts of 1 to 2 feet.  Locally higher amounts included 4 feet at the Bison Lake SNOTEL site and 3 feet at the Ripple Creek SNOTEL site.  Wind gusts of 25 to 40 mph produced areas of blowing and drifting snow.  Locally stronger peak winds to 59 mph were measured at the Storm King RAWS site.

Winter Storm in ELKHEAD AND PARK MOUNTAINS, COLORADO
From 28-FEB-15 10:00:00 to 28-FEB-15 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

This storm event which continued into the late evening of March 3rd produced snowfall accumulations of 1 to 2 feet.  Locally higher amounts included 3 feet at the Whiskey Park SNOTEL site.  Wind gusts of 25 to 45 mph produced areas of blowing and drifting snow.

Heavy Snow in UPPER YAMPA RIVER BASIN, COLORADO
From 28-FEB-15 19:00:00 to 28-FEB-15 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

This storm event which continued into the evening of March 3rd produced total snowfall amounts of 10 to 15 inches across most of the area.

Winter Storm in SOUTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 27-FEB-15 11:00:00 to 28-FEB-15 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

This storm which continued into the early morning of March 4th produced total snowfall amounts of 1 to 3 feet across the area. Locally higher amounts included 50 inches at Molas Pass, 46 inches at the Bear Town SNOTEL site, and 42 inches at Coal Bank Pass. Strong winds resulted in extensive blowing and drifting of snow, with blizzard conditions at times mainly above the 10,000 foot level. The heavy snowfall resulted in dangerous avalanche conditions.

Winter Storm in NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 27-FEB-15 00:00:00 to 28-FEB-15 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

This storm which continued into the early morning of March 4th produced total snowfall amounts of 1 to 3 feet across the area. Strong winds resulted in extensive blowing and drifting of snow, with blizzard conditions at times mainly above the 10,000 foot level.  The heavy snowfall resulted in dangerous avalanche conditions.

Heavy Snow in ANIMAS RIVER BASIN, COLORADO
From 27-FEB-15 19:00:00 to 28-FEB-15 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

This storm which continued into the morning of March 1st produced total snowfall amounts of 6 to 9 inches across the area.  Locally higher amounts included 11 inches at a location about 5 miles southeast of Hesperus.

Heavy Snow in FOUR CORNERS / UPPER DOLORES RIVER BASIN, COLORADO
From 27-FEB-15 12:00:00 to 28-FEB-15 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

This storm which continued into the morning of March 3rd produced total snowfall amounts of 4 to 10 inches across the area.