Overview
- More than 1,500 flights were canceled or delayed as a winter storm hit the U.S. Northeast and Great Lakes, with National Weather Service warnings for heavy snow, high winds and hazardous travel as conditions began to ease.
- New York and New Jersey declared states of emergency before the storm, while major New York–area airports cautioned travelers about disruptions during the holiday rush.
- California assessed damage after recent intense rains triggered flash flooding and landslides, with at least three deaths reported and Santa Ana winds expected to raise new risk for downed trees and power lines.
- Mexico’s civil protection and meteorological services forecast very heavy to torrential rainfall of 75–250 mm in parts of Veracruz and Tabasco, strong winds and subzero minimums in northern highlands, with Mexico City issuing a yellow alert for six boroughs on lows of 4–6°C.
- Argentina’s meteorological service maintained yellow alerts for storms across multiple provinces with short‑period downpours, hail and gusts near 70 km/h, issued an orange heat alert for Buenos Aires City, and reported Salta’s December rainfall exceeding historical averages.