In early January 2025, a storm system traveled northeast across New York and into New England. The northeastward movement of this low pressure system created favorable winds for a prolonged lake effect snow event across parts of the Tug Hill Plateau, Finger Lakes, Mohawk Valley, and Susquehanna Regions of New York. This occurred primarily from January 1 to 5, 2025.
The following are official and unofficial observations. Appreciation is extended to highway departments, cooperative observers, SKYWARN Spotters, and media for these reports. Click on the image for a larger view.
Public Information Statement National Weather Service Binghamton NY 1051 AM EST Mon Jan 6 2025 ...5 DAY EVENT TOTAL SNOWFALL REPORTS... Location Amount Time/Date Provider ...New York... ...Broome County... Windsor 8.0 SE 5.6 in 0700 AM 01/06 COCORAHS Binghamton 1.3 ENE 4.5 in 0900 AM 01/06 COCORAHS Whitney Point 1.7 SSE 4.0 in 0900 AM 01/06 COCORAHS ...Cayuga County... Cayuga 4.0 NNE 3.0 in 0700 AM 01/06 COCORAHS 2.0 N Cayuga 1.0 in 0640 AM 01/06 COOP Cayuga 1.7 NE 1.0 in 0700 AM 01/06 COCORAHS ...Chenango County... Norwich COOP 1.5 in 0500 AM 01/06 COOP ...Cortland County... Freetown 1.0 NE 2.2 in 0700 AM 01/06 COCORAHS Willet 1.8 E 1.9 in 0700 AM 01/06 COCORAHS ...Delaware County... Delhi 6.6 WNW 8.0 in 0700 AM 01/06 COCORAHS Long Eddy 6.5 NNE 3.0 in 0800 AM 01/06 COCORAHS Hobart 4.8 ESE 2.0 in 0700 AM 01/06 COCORAHS ...Madison County... Chittenango 2.1 ESE 11.3 in 0845 AM 01/06 COCORAHS Oneida 0.4 NW 9.9 in 0700 AM 01/06 COCORAHS ...Oneida County... 3 W Stokes Corner 75.0 in 0900 PM 01/05 Public 2 NW Taberg 67.0 in 1100 AM 01/05 Public 1 N Taberg 65.0 in 0235 PM 01/05 Public Ava 64.0 in 0330 PM 01/05 Broadcast Media 2 NE Steuben 60.0 in 0330 PM 01/05 Broadcast Media 5 NE Deerfield 46.8 in 1100 AM 01/05 Public 2 S Delta Lake 43.0 in 0330 PM 01/05 Broadcast Media Lee 42.0 in 0420 PM 01/05 Trained Spotter Marcy 40.5 in 0700 PM 01/05 Trained Spotter 2 N Vienna 40.0 in 0215 PM 01/05 Trained Spotter Holland Patent 38.3 in 0630 PM 01/05 Trained Spotter 3.7 SW Boonville 37.9 in 0900 AM 01/06 COOP Utica 32.0 in 0320 PM 01/05 Public Westmoreland 4 N 24.6 in 0700 AM 01/06 COOP Rome 4.8 SSE 24.6 in 0700 AM 01/06 COCORAHS Durhamville 3.5 NNW 16.6 in 0700 AM 01/06 COCORAHS New Hartford 1.0 WSW 12.6 in 0800 AM 01/06 COCORAHS ...Onondaga County... Camillus 1.0 W 16.8 in 0700 AM 01/06 COCORAHS 2 SE North Syracuse 16.1 in 0900 PM 01/05 Official NWS Obs Syracuse 4.2 SSW 15.1 in 0800 AM 01/06 COCORAHS Brewerton 1.5 ESE 12.0 in 0800 AM 01/06 COCORAHS Liverpool 6.1 NNW 9.4 in 0630 AM 01/06 COCORAHS Clay 4.6 NW 8.6 in 0800 AM 01/06 COCORAHS Baldwinsville 3.5 NE 8.5 in 0800 AM 01/06 COCORAHS Skaneateles 0.8 NNW 7.9 in 0700 AM 01/06 COCORAHS Brewerton Lock 23 7.2 in 0700 AM 01/06 COOP ...Otsego County... Maryland 1.8 W 8.5 in 0800 AM 01/06 COCORAHS ...Schuyler County... Mecklenburg 4 SW 3.0 in 0700 AM 01/06 COOP Dundee 6.2 E 1.0 in 0700 AM 01/06 COCORAHS ...Steuben County... South Corning 4.7 S 3.2 in 0900 AM 01/06 COCORAHS ...Tioga County... Newark Valley 1.9 SSW 2.5 in 0700 AM 01/06 COCORAHS ...Tompkins County... Newfield Hamlet 4.3 S 3.1 in 0900 AM 01/06 COCORAHS Freeville 1.5 NE 1.5 in 0700 AM 01/06 COCORAHS ...Yates County... Middlesex 3.5 S 4.1 in 0900 AM 01/06 COCORAHS ...Pennsylvania... ...Susquehanna County... New Milford 1.6 SSE 1.7 in 0820 AM 01/06 COCORAHS ...Wayne County... Canaan - 11 1.1 in 0700 AM 01/06 COCORAHS Dyberry - 19 1.0 in 0650 AM 01/06 COCORAHS
The radar loop is from the National Weather Service radar in Montague, NY. This is a loop of base reflectivity at 0.5 degree elevation. The loop was from 07:09 PM EST December 31, 2025 (0000 UTC January 1, 2025) to 01:36 AM EST January 6, 2025 ( 0636 UTC January 6, 2025).
Initially, the loop shows a cyclonic circulation (counterclockwise circulation), indicating the presence of a low pressure center. As the system progresses, winds shift to a northwest and west direction, leading to the development of prominent lake effect snow bands downwind of Lake Ontario.
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