今年首场寒潮上线！深圳最冷时刻在......

Core Viewpoint - A significant cold wave is expected to impact various regions in China, including Guangdong, bringing a notable drop in temperatures and adverse weather conditions [2][4]. Group 1: Cold Wave Characteristics - The current cold wave is characterized as a "penetrating" cold front, leading to prolonged low temperatures rather than a quick drop [4]. - The cold wave will result in the most extensive rain and snow impacts this winter across central and eastern regions, affecting travel due to complex precipitation types [6]. - The cold wave will bring the largest area of freezing rain this winter, particularly affecting provinces like Hubei, Hunan, and Chongqing, posing risks of power outages and hazardous road conditions [7]. Group 2: Impact on Guangdong - The cold front will reach Guangdong between January 20 and 23, resulting in significant temperature drops and strong winds [8][9]. - Average temperature drops in Guangdong will range from 7-10°C in the northern regions to 3-5°C in the southern coastal areas, with the lowest temperatures expected around January 22 [11]. - Wind gusts in northern Guangdong will reach 5-7 levels, with coastal areas experiencing gusts of 6-8 levels, further lowering the perceived temperature [11]. Group 3: Weather Forecast for Shenzhen - From January 18 to 20, Shenzhen will experience mainly dry and sunny weather with a temperature range of 17-26°C [14]. - Following the arrival of the cold air on January 21, temperatures in Shenzhen will significantly decrease, with minimum temperatures dropping to around 8°C [14]. - After January 24, temperatures are expected to rise again [14].