河北省发布寒潮蓝色预警信号

Group 1 - The core viewpoint of the article is the continuation of a blue cold wave warning issued by the Hebei Meteorological Observatory due to significant temperature drops across the province [1] - The temperature in Shijiazhuang, Cangzhou, and northern regions has decreased by 5 to 8 degrees Celsius compared to the morning of October 16, with some areas like Zhangjiakou, Chengde, and the northwestern part of Baoding experiencing drops of 8 to 12 degrees Celsius, and localized areas exceeding 14 degrees Celsius [1] - Other regions have seen a temperature decline of 2 to 4 degrees Celsius, with further decreases expected on the morning of October 19 in northern Zhangjiakou, Xingtai, and Handan by 2 to 5 degrees Celsius, and frost anticipated in Baoding and northern Langfang [1]