Weak high pressure and a marginally cold air mass was locked into the northeast with blocking to the north across Eastern Canada, while low pressure over the Midwest moved east and redeveloped off the Northern Mid Atlantic coast. This led to the first widespread accumulating snowfall across the CWA.

Heavy Snow in WESTERN PASSAIC, NEW JERSEY
From 27-FEB-23 20:00:00 to 28-FEB-23 09:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Heavy snow fell across the western portion of the county and carried into the morning commute. The public reported 6.0 inches in Bloomingdale at a time in which compaction likely had not yet set in. Cocorahs reported 5.5 inches almost 2 hours later in Wayne.

Heavy Snow in WESTERN BERGEN, NEW JERSEY
From 27-FEB-23 20:00:00 to 28-FEB-23 09:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Heavy snow fell into the morning commute across Western portions of Bergen County. Cocorahs reported 6.0 inches in Oakland, and the public reported 6.0 inches in Allendale at times after some compaction would have started as temperatures began to climb above freezing within an hour or two after sunrise and the steadier snow had ended.  A trained spotter reported 5.1 inches in Ramsey in the late morning which likely was measured after compaction occurred.

Winter Weather in EASTERN PASSAIC, NEW JERSEY
From 27-FEB-23 20:00:00 to 28-FEB-23 09:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Wet snow fell across the eastern half of the county. Snowfall amounts ranged generally from 3 to 5 inches across this portion of the county. A Cocorahs observer reported 4.8 inches from Little Falls and 4.6 inches from Hawthorne, while a public report of 3.6 inches was reported from Totowa after likely compaction.

Winter Weather in EASTERN BERGEN, NEW JERSEY
From 27-FEB-23 20:00:00 to 28-FEB-23 09:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

A general 2 to 5 inches fell across the eastern portion of the county. Cocorahs reports of 5.0 inches at 1.8 ESE Montvale, 3.6 inches in Tenafly and 2.7 inches in Palisades Park were observed. A trained spotter reported 4.8 inches in River Vale and 3.8 inches at 1 NNE Begenfield.

Winter Weather in WESTERN ESSEX, NEW JERSEY
From 27-FEB-23 20:00:00 to 28-FEB-23 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

A general 3 to 5 inches fell across the zone. A Cocorahs report of 5.0 inches was submitted for Montclair and 4.8 inches in Verona. A public report of 4.1 inches was submitted for 1 W Cedar Grove.

Winter Weather in EASTERN ESSEX, NEW JERSEY
From 27-FEB-23 20:00:00 to 28-FEB-23 09:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

A general 2 to 4 inches fell across the zone. Newark Airport reported 1.7 inches of snow, with the western edge of the zone receiving 3.7 inches via a trained spotter in Bloomfield.

Winter Weather in WESTERN UNION, NEW JERSEY
From 27-FEB-23 20:00:00 to 28-FEB-23 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A general 1 to 3 inches of snow fell across the zone.  A trained spotter reported 2.4 inches in Plainfield. A Cocorahs report from Clark which is right along the eastern border of the zone reported 3.0 inches of snow and 1.0 inches of snow at 0.8 WSW Westfield, and 1.5 inches at New Providence.

Winter Weather in EASTERN UNION, NEW JERSEY
From 27-FEB-23 20:00:00 to 28-FEB-23 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

A light snowfall around 1 inch fell across the zone.  A cocorahs report of 1.0 inches was reported at 0.6 NNW Cranford.

Winter Weather in HUDSON, NEW JERSEY
From 27-FEB-23 20:00:00 to 28-FEB-23 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

A general 1 to 3 inches fell across the zone. A COOP observer reported 2.5 inches in Harrison, a Cocorahs observer reported 2.0 inches in Kearny, and a trained spotter reported 1.2 inches in Hoboken.