A powerful winter storm has swept across the Northeast, bringing heavy snow and ice just in time for the busy holiday travel weekend. New York City experienced its heaviest snowfall in nearly four years, leading to significant travel disruptions. Thousands of flights, including operations at JFK and LaGuardia, have been delayed or canceled, with over 1,500 cancellations reported. States of emergency have been declared in New York and New Jersey as the storm wreaks havoc on post-Christmas travel plans. The storm has left travelers stranded at airports, and forecasts predict continued snowfall in the coming days, raising concerns about road closures and further flight cancellations.