`` The warm air is very active this year '' , said Li . Current snowstorm calls for the first-ever , most severe red warning . The current storm , which hit just ahead of the Lunar New Year holiday -- China 's busiest shopping season -- has shut much of the nation down . In a separate development, China has issued its first ever yellow alert in more than two years as heavy snow and ice hit parts of northern China.
`` The warm air is very active this year '' , said Li . Current snowstorm calls for the first-ever , most severe red warning . In a separate development, China has issued its first ever yellow alert in more than two years as heavy snow and ice hit parts of northern China.