大雨暴雨、大雪暴雪！新一轮雨雪天气来袭！

Summary of Key Points Core Viewpoint - A significant weather change is expected in China, with a new round of rain and snow starting in Xinjiang and affecting a large part of the central and eastern regions, accompanied by strong cold air leading to temperature drops and strong winds [2][6]. Group 1: Weather Forecast - On November 4, rainfall in southern China will significantly decrease, but eastern Hainan Island will still experience heavy rain [1][2]. - From November 5, a new round of rain and snow will begin in northwestern Xinjiang, gradually impacting most of the central and eastern regions [2][3]. - The Central Meteorological Observatory predicts that on November 4, parts of Xinjiang, Inner Mongolia, and Heilongjiang will experience light to moderate snow or sleet, with some areas in Xinjiang and Inner Mongolia facing heavy snow [2][3]. Group 2: Snow Accumulation and Rainfall - On November 5, parts of northern and western Xinjiang, central Qinghai, and northeastern Inner Mongolia will see moderate to heavy snow, with some areas experiencing blizzards and snow accumulation of 8 to 15 centimeters, locally exceeding 20 centimeters [3][4]. - On November 6, similar weather patterns will continue, with light to moderate snow in parts of Xinjiang and Inner Mongolia, and heavy rain in southern regions including Hainan Island [4][5]. Group 3: Cold Air Impact - A strong cold air mass will move from west to east starting November 5, leading to temperature drops of 4 to 8 degrees Celsius in many areas, with some regions experiencing drops exceeding 10 degrees [6]. - The northern regions will see a transition from higher to lower temperatures, with some areas potentially reaching new lows for the second half of the year [6].