A dual, elongated area of low pressure moved across the Great Lakes into New England during the afternoon and night of February 24th. A secondary area of low pressure significantly developed across Cape Cod and the Gulf of Maine during the early morning hours of February 25th.
The first part of this system deposited 2 to 5 inches of snow across much of northern New York during the late afternoon and evening hours of the 24th, then the wrap-around, orographically enhanced snowfall across the Adirondacks continued into midday Saturday with total storm snowfall accumulations ranging from 3 to 15 inches.

Winter Storm in SOUTHERN FRANKLIN, NEW YORK
From 24-FEB-12 10:00:00 to 25-FEB-12 14:00:00 (EST-5)
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Steadiest snowfall was from approximately Noon on the 24th until early morning hours on the 25th. Numerous snow showers continued in the mountainous terrain of the Adirondacks through early afternoon. Storm total snowfall accumulations ranged from 8 to 15 inches, including 12 inches in Tupper Lake and St. Regis Falls.

Winter Storm in WESTERN CLINTON, NEW YORK
From 24-FEB-12 10:00:00 to 25-FEB-12 14:00:00 (EST-5)
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Steadiest snowfall was from approximately Noon on the 24th until early morning hours on the 25th. Numerous snow showers continued in the mountainous terrain of the Adirondacks through early afternoon. Storm total snowfall accumulations ranged from 6 to 12 inches.

Winter Storm in WESTERN ESSEX, NEW YORK
From 24-FEB-12 10:00:00 to 25-FEB-12 14:00:00 (EST-5)
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Steadiest snowfall was from approximately Noon on the 24th until early morning hours on the 25th. Numerous snow showers continued in the mountainous terrain of the Adirondacks through early afternoon. Storm total snowfall accumulations ranged from 6 to 10 inches.

Winter Weather in EASTERN CLINTON, NEW YORK
From 24-FEB-12 13:00:00 to 25-FEB-12 04:00:00 (EST-5)
Property damage: 5.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Steadiest snowfall was from approximately Noon on the 24th until early morning hours on the 25th. Scattered snow showers continued throughout the 25th with little accumulation. Storm total snowfall accumulations were 3 to 6 in eastern Clinton county.

Winter Weather in EASTERN ESSEX, NEW YORK
From 24-FEB-12 13:00:00 to 25-FEB-12 04:00:00 (EST-5)
Property damage: 5.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Steadiest snowfall was from approximately Noon on the 24th until early morning hours on the 25th. Scattered snow showers continued throughout the 25th with little accumulation. Storm total snowfall accumulations were 3 to 6 in eastern Essex county.

Winter Weather in NORTHERN FRANKLIN, NEW YORK
From 24-FEB-12 12:00:00 to 25-FEB-12 04:00:00 (EST-5)
Property damage: 5.00K
Crop damage: 0.00K
Reported by: COOP Observer

Steadiest snowfall was from approximately Noon on the 24th until early morning hours on the 25th. Scattered snow showers continued throughout the 25th with little accumulation in the valley but several more inches along the northwest slope sof the Adirondacks. Storm total snowfall accumulations were 4 to 8 in northern Franklin county.

Winter Weather in NORTHERN ST. LAWRENCE, NEW YORK
From 24-FEB-12 10:00:00 to 25-FEB-12 02:00:00 (EST-5)
Property damage: 5.00K
Crop damage: 0.00K
Reported by: COOP Observer

Steadiest snowfall was from approximately Noon on the 24th until early morning hours on the 25th. Scattered snow showers continued throughout the 25th with little accumulation in the valley. Storm total snowfall accumulations were 4 to 7 in northern St. Lawrence county.

Winter Weather in SOUTHWESTERN ST. LAWRENCE, NEW YORK
From 24-FEB-12 10:00:00 to 25-FEB-12 02:00:00 (EST-5)
Property damage: 5.00K
Crop damage: 0.00K
Reported by: COOP Observer

Steadiest snowfall was from approximately Noon on the 24th until early morning hours on the 25th. Scattered snow showers continued throughout the 25th with little accumulation in the valley. Storm total snowfall accumulations were 2 to 6 in southwest St. Lawrence county.

Winter Storm in SOUTHEASTERN ST. LAWRENCE, NEW YORK
From 24-FEB-12 10:00:00 to 25-FEB-12 14:00:00 (EST-5)
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Steadiest snowfall was from approximately Noon on the 24th until early morning hours on the 25th. Numerous snow showers continued in the mountainous terrain of the Adirondacks through early afternoon. Storm total snowfall accumulations ranged from 6 to 15 inches, including 15 inches in Shurtleff and 8 inches in Star Lake.