Low pressure developed along the Middle Atlantic coast on Wednesday December 16, 2020. The low deepened as it tracked northward towards Long Island, NY through the night on December 16, 2020. Arctic high pressure situated over southeast Canada provided a cold and dry air mass ahead of the low supporting moderate to locally heavy snowfall throughout much of the storm. The low pressure ultimately tracked from near Atlantic City, NJ to about 50 miles south of Fire Island, NY before sliding offshore Thursday December 17, 2020. The storm significantly impacted travel during the evening commute on Wednesday December 16, 2020 and the morning commute on Thursday December 17, 2020. Many accidents resulted from the snow covered roads and poor visibilities. Snowfall rates ranged from 1 to 2 inches per hour Wednesday evening. Total snowfall ranged from around 6 to 12 inches with strong wind gusts ranging from 35 to 50 mph.

Winter Storm in WESTERN BERGEN, NEW JERSEY
From 16-DEC-20 16:00:00 to 17-DEC-20 11:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

CoCoRaHS measured 8 inches of snow 1 mile southeast of Oakland.  Trained spotters, broadcast media, and the public measured 6 to 9 inches of snow. The nearby Teterboro Airport measured a 38 mph at 6:51 am on December 17, 2020.

Winter Storm in EASTERN UNION, NEW JERSEY
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: Official NWS Observations

The Official NWS Observation at the Newark-Liberty International Airport was 11.4 inches. Trained spotters and the public measured 6 to 8 inches of snow. The Newark-Liberty International Airport measured a 47 mph wind gust at 5:51 am on December 17, 2020.

Winter Storm in EASTERN BERGEN, NEW JERSEY
From 16-DEC-20 16:00:00 to 17-DEC-20 11:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotters in Westwood and Bergenfield reported 9.3 inches of snow and 7.1 inches of snow respectively.  Other trained Spotters,  CoCoRaHS, and the public measured 6 to 9 inches of snow. The Teterboro Airport measured a 38 mph at 6:51 am on December 17, 2020.

Winter Storm in EASTERN PASSAIC, NEW JERSEY
From 16-DEC-20 16:00:00 to 17-DEC-20 11:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

CoCORaHS measured 6 to 8 inches of snow. The nearby Teterboro Airport measured a 38 mph at 6:51 am on December 17, 2020.

Winter Storm in WESTERN PASSAIC, NEW JERSEY
From 16-DEC-20 17:00:00 to 17-DEC-20 11:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

CoCORaHS measured 6 to 8 inches of snow. The nearby Teterboro Airport measured a 38 mph at 6:51 am on December 17, 2020.

Winter Storm in HUDSON, NEW JERSEY
From 16-DEC-20 16:00:00 to 17-DEC-20 11:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

A COOP Observer in Harrison measured 10.2 inches of snow and a CoCoRaHS observer in Kearny measured 10.5 inches of snow. A WeatherFLOW Mesonet station in Bayonne measured a 43 mph wind gust at 5:00 am on December 17, 2020. The nearby Newark-Liberty International Airport measured a 47 mph wind gust at 5:51 am on December 17, 2020.

Winter Storm in WESTERN ESSEX, NEW JERSEY
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

Trained spotters, CoCoRaHS, and the public reported 6 to 8 inches of snow. The nearby Newark-Liberty International Airport ASOS measured a 47 mph wind gust at 5:51 am on December 17, 2020.

Winter Storm in EASTERN ESSEX, NEW JERSEY
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: Official NWS Observations

Trained spotters, CoCoRaHS, and the public reported 6 to 8 inches of snow. The nearby Newark-Liberty International Airport ASOS measured a 47 mph wind gust at 5:51 am on December 17, 2020.

Winter Storm in WESTERN UNION, NEW JERSEY
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

Trained spotters and the public measured 6 to 8 inches of snow. The nearby Newark-Liberty International Airport measured a 47 mph wind gust at 5:51 am on December 17, 2020.