四问山东今年首轮大范围寒潮低温

Core Viewpoint - The recent cold wave in Shandong province has led to significant drops in temperature, with warnings issued for both cold waves and low temperatures, impacting daily life, agriculture, and energy supply [1][2][3]. Summary by Sections Cold Wave Severity - The cold wave has resulted in temperatures dropping below -10°C across most of the province, with specific areas experiencing even lower temperatures [2][4]. - The cold wave is characterized by a prolonged duration and significant temperature drops, with the lowest temperatures expected between January 21 and 22 [4]. Nature of Warnings - The simultaneous issuance of cold wave and low temperature warnings indicates both a sharp drop in temperature and a sustained period of low temperatures, increasing the risk of adverse effects [3]. Duration of Low Temperatures - The cold wave is expected to last longer than typical events, with temperatures remaining low through January 22, particularly during the "Four Nines" period, which is historically cold for the region [4][6]. Causes of Temperature Drop - The severe drop in temperature is attributed to a prolonged cold air mass and a significant temperature contrast following a period of unusually warm weather, where temperatures reached up to 17°C prior to the cold wave [5]. Future Temperature Predictions - Following the current cold wave, average temperatures in Shandong are expected to be slightly below normal from January 26 to February 10, with increased precipitation anticipated [6][7].