"Given the El Niño template at hand — and given the unusually warm waters that now prevail across the mid-latitude North Pacific — there’s good reason to believe that much if not most of the United States and Canada are likely to see unusually mild temperatures for at least a few days before and/or around Christmas, even if the Northeast’s local record highs from 2015 don’t get eclipsed. Relative to the seasonal norm, the most exceptional mildness may occur in Canada."

East coast snow and a particularly active Atlantic hurrricane season are on top

https://yaleclimateconnections.org/2023/12/how-will-el-nino-affect-the-u-s-this-winter/