A low pressure system tracked from the Gulf of Mexico, the evening of the 10th, through the Carolinas on the 11th, to New England on the 12th.
This storm brought a variety of wintry precipitation to central New York from the morning of the 11th to the morning of the 12th. A band of heavy snow developed across central New York from the Finger Lakes area to Onondaga and Madison counties where between 5 and 10 inches of snow fell. Further east, significant icing occurred across a large part of Chenango, Delaware and Otsego Counties, which received a half inch or more of ice. The rest of central New York received around a quarter inch of ice and from 2 to 6 inches of snowfall.

Winter Storm in TIOGA, NEW YORK
From 11-DEC-08 08:00:00 to 12-DEC-08 10:00:00 (EST-5)
Reported by: Trained Spotter

Mixed precipitation brought 0.25 to 0.50 inch of ice accumulation to parts of the county, especially on the hilltops. The mixed precipitation then changed over to all snow, with accumulations of 4 to 8 inches.

Winter Storm in OTSEGO, NEW YORK
From 11-DEC-08 10:00:00 to 12-DEC-08 10:00:00 (EST-5)
Reported by: Trained Spotter

Mixed precipitation brought significant accumulations of ice to parts of the county, especially to areas above 2000 ft. elevation, where 0.50 inch to as much as 1.00 inch of ice accumulated. After the precipitation changed over to snow, snowfall amounts ranged from about 4 to 7 inches.

Winter Storm in STEUBEN, NEW YORK
From 11-DEC-08 08:00:00 to 12-DEC-08 10:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall amounts ranged from 5 to 9 inches across the county.

Winter Storm in CHEMUNG, NEW YORK
From 11-DEC-08 08:00:00 to 12-DEC-08 10:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall amounts ranged from 7 to 10 inches across the county.

Winter Storm in CHENANGO, NEW YORK
From 11-DEC-08 08:00:00 to 12-DEC-08 10:00:00 (EST-5)
Reported by: Trained Spotter

Mixed precipitation brought 0.25 to 0.75 inches of ice to the area. The freezing rain turned over to snow, with snowfall totals ranging from around 2 inches to as much as 11 inches in Smyrna.

Winter Storm in DELAWARE, NEW YORK
From 11-DEC-08 08:00:00 to 12-DEC-08 10:00:00 (EST-5)
Reported by: Trained Spotter

Significant icing occurred at the higher elevations of the county, especially at 2000 feet and above. Ice amounts averaged around 0.50 inch.

Winter Storm in ONONDAGA, NEW YORK
From 11-DEC-08 10:00:00 to 12-DEC-08 10:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall amounts across the county ranged from 4 to 12 inches.

Winter Storm in MADISON, NEW YORK
From 11-DEC-08 10:00:00 to 12-DEC-08 10:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Light mixed precipitation was followed by 5 to 10 inches of snow across the county.

Winter Storm in SCHUYLER, NEW YORK
From 11-DEC-08 08:00:00 to 12-DEC-08 10:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall amounts across the county averaged around 7 inches.

Winter Storm in TOMPKINS, NEW YORK
From 11-DEC-08 08:00:00 to 12-DEC-08 10:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall amounts across the county ranged from 5 to 9 inches.