A Nor'easter moved slowly up the US eastern coastline on the afternoon of the 16th through the 17th. The storm system produced very heavy snowfall across parts of Central New York and Northeast Pennsylvania, particularly during the very early morning hours of the 17th. The highest snowfall totals were found across the Northern Tier of Pennsylvania to the Southern Tier of New York to the Catskills, where 30 to 40+ inches of snow fell. Extreme snowfall rates of 5-6 inches per hour were reported at times in the heaviest parts of the band. Transportation impacts were extensive with numerous road closures and delays.
The two day snowfall total of 40.0 inches at the Greater Binghamton Airport broke the all time record there, which was previously 35.3 inches set March 14-15, 2017. In addition, a maximum snow depth of 39 inches at the Greater Binghamton Airport set a new record, breaking the old record of 35 inches set on March 15, 1993.

Heavy Snow in CHEMUNG, NEW YORK
From 16-DEC-20 13:00:00 to 17-DEC-20 09:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snow accumulated 13 to 31 inches.

Heavy Snow in SCHUYLER, NEW YORK
From 16-DEC-20 13:30:00 to 17-DEC-20 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snow accumulated 8 to 12 inches.

Heavy Snow in YATES, NEW YORK
From 16-DEC-20 13:30:00 to 17-DEC-20 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snow accumulated 5 to 10 inches.

Heavy Snow in STEUBEN, NEW YORK
From 16-DEC-20 13:00:00 to 17-DEC-20 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snow accumulated 7 to 18 inches.

Heavy Snow in BROOME, NEW YORK
From 16-DEC-20 13:00:00 to 17-DEC-20 10:00:00 (EST-5)
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snow accumulated 21 to 42 inches. A storm total of 40.0 inches of snow was measured at the Binghamton Regional Airport, which set a new two day snowfall record. In addition, the dome roof of the Greater Binghamton Sports Complex collapsed due to the extreme weight of the snow that accumulated.

Heavy Snow in SOUTHERN ONEIDA, NEW YORK
From 16-DEC-20 18:00:00 to 17-DEC-20 12:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snow accumulated 6 to 11 inches.

Heavy Snow in MADISON, NEW YORK
From 16-DEC-20 17:00:00 to 17-DEC-20 12:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snow accumulated 5 to 22 inches.

Heavy Snow in OTSEGO, NEW YORK
From 16-DEC-20 16:00:00 to 17-DEC-20 12:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snow accumulated 17 to 31 inches.

Heavy Snow in CHENANGO, NEW YORK
From 16-DEC-20 15:00:00 to 17-DEC-20 11:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snow accumulated 19 to 37 inches.

Heavy Snow in CORTLAND, NEW YORK
From 16-DEC-20 13:30:00 to 17-DEC-20 10:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snow accumulated 10 to 25 inches.

Heavy Snow in TOMPKINS, NEW YORK
From 16-DEC-20 13:30:00 to 17-DEC-20 10:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snow accumulated 9 to 16 inches.

Heavy Snow in TIOGA, NEW YORK
From 16-DEC-20 13:00:00 to 17-DEC-20 09:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snow accumulated 23 to 44 inches.

Heavy Snow in DELAWARE, NEW YORK
From 16-DEC-20 16:00:00 to 17-DEC-20 12:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snow accumulated 15 to 41 inches.

Heavy Snow in SULLIVAN, NEW YORK
From 16-DEC-20 16:00:00 to 17-DEC-20 09:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snow accumulated 11 to 17 inches.