A highly-organized strong, winter storm moved from the northern Rockies through the northern plains regions, spreading heavy snow across the area.

Winter Storm in LITTLE ROCKY MOUNTAINS, MONTANA
From 13-APR-13 18:00:00 to 15-APR-13 00:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Cooperative observer at Zortman reported 9 inches of new snowfall.

Winter Storm in NORTHERN VALLEY, MONTANA
From 13-APR-13 21:00:00 to 15-APR-13 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter at 9 NNW Larslan reported 6 inches of new snowfall.

Winter Storm in CENTRAL AND SOUTHERN VALLEY, MONTANA
From 13-APR-13 20:00:00 to 15-APR-13 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

While reports of 6 to 7 inches of new snowfall were common across this area, the cooperative observer at 4 SW Hinsdale reported a total of 17.4 inches of snowfall with this storm - likely the result of some locally enhanced effects of the Larb Hills.

Winter Storm in WESTERN ROOSEVELT, MONTANA
From 14-APR-13 00:00:00 to 15-APR-13 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter at Poplar reported 9.5 inches of new snowfall.

Winter Storm in MCCONE, MONTANA
From 14-APR-13 01:00:00 to 15-APR-13 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Cooperative observer 6 NE Vida reported 6 inches of new snowfall.

Winter Storm in DAWSON, MONTANA
From 14-APR-13 01:00:00 to 15-APR-13 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

While reports of 6 to 7 inches of new snowfall were common at the lower elevations, a public report of 14 inches at 13 NE of Bloomfield was near the higher elevations of the Big Sheep Mountains.

Winter Storm in PRAIRIE, MONTANA
From 14-APR-13 01:00:00 to 15-APR-13 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Cooperative observer at the lower elevation of Terry reported 6 inches of new snowfall, while a trained spotter at 30 NW Terry reported 12 inches of new snowfall at the higher elevations of the Big Sheep Mountains.

Winter Storm in WIBAUX, MONTANA
From 14-APR-13 01:00:00 to 15-APR-13 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Cooperative observers at 13 W Carlyle and 2 E Wibaux reported 7.5 and 8 inches of new snowfall respectively.

Winter Storm in EASTERN ROOSEVELT, MONTANA
From 14-APR-13 00:00:00 to 15-APR-13 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public reported 7 inches of new snowfall at 7 E Bainville.

Winter Storm in GARFIELD, MONTANA
From 14-APR-13 01:00:00 to 15-APR-13 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

While 6 inches of new snowfall was reported at the lower elevation of Cohagen, a cooperative observer at 22 SE Cohagen reported 10 inches of new snowfall near the higher elevations of the Big Sheep Mountains.

Winter Storm in RICHLAND, MONTANA
From 13-APR-13 23:00:00 to 15-APR-13 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

New storm total snowfall amounts of 8 to 12 inches were common across this area, with Savage reporting 12.5 inches.