美国东北地区遭冬季风暴袭击

Core Points - A winter storm warning has been issued for the northeastern United States, with New York and New Jersey declaring states of emergency [1][7] - The storm is expected to bring the largest snowfall to New York City in three years, with snow accumulation potentially reaching 25 centimeters [3][5] - Public transportation is being prepared for the storm, with measures such as installing snow chains on buses and planning for snow removal [7] Group 1 - The storm began on the evening of the 26th, with increasing snowfall density and reduced visibility on roads [1] - New York City Mayor Adams has advised residents to avoid travel unless necessary, recommending the use of public transportation [5] - As of the afternoon of the 26th, over 5,500 domestic flights in the U.S. were delayed, and nearly 1,200 flights to or from New York were canceled, including over 370 at JFK Airport [7]