Around 20 million people are under winter weather alerts across parts of the Mid-Atlantic and New England, including Philadelphia and Burlington, Vermont.

A holiday tradition continues Tuesday night as thousands are expected to attend Christmas Eve mass at St. Patrick's Cathedral in Midtown.Thousands filled the pews for a 5:30 p.m. Christmas Eve family mass.

In the tri-state, some will get a White Christmas and some will fall just short. Christmas Eve’s morning snow totaled near an inch in many places near the coast with higher totals – between 2 and 3 inches – for northwest New Jersey into the Catskills and Hudson Valley.