中央气象台2月22日10时继续发布寒潮蓝色预警

Group 1 - The central viewpoint of the article is the issuance of a blue cold wave warning by the Central Meteorological Observatory, indicating significant temperature drops in various regions of China due to cold air influence [1] - The forecast predicts temperature decreases of 6 to 10 degrees Celsius in areas such as eastern Inner Mongolia, most of Heilongjiang, Jilin, northeastern Liaoning, and northern Jiangsu from February 22 at 14:00 to February 23 at 08:00, with some regions experiencing drops exceeding 12 degrees Celsius [1] - The lowest temperature line of 0 degrees Celsius is expected to move southward to the eastern Huanghuai, southern North China, and central-southern Shaanxi by February 23 [1] Group 2 - The article provides a defense guideline for the cold wave, advising government and relevant departments to prepare for cold weather according to their responsibilities [4] - Recommendations include wearing additional clothing for warmth and taking protective measures for tropical crops and aquatic products [4] - It also emphasizes the importance of preparing for wind protection [4]