美国多地遭冬季风暴袭击 交通受广泛影响

Core Viewpoint - A significant winter storm is impacting the United States, causing widespread travel disruptions and extreme weather conditions affecting millions of people [1] Group 1: Weather Impact - Two winter storms are simultaneously affecting the U.S., leading to rare snowfall and extreme low temperatures [1] - Approximately 54 million people are under winter weather alerts, spanning the northern plains, Great Lakes region, Northeast, and parts of the Southeast [1] Group 2: Travel Disruptions - Air travel has been severely impacted, with over 2,700 flights delayed and more than 340 flights canceled as of the morning of January 18 [1] - New York's Kennedy International Airport and LaGuardia Airport are experiencing the most significant delays, while Newark Airport in New Jersey has issued ground delay orders [1]