冷空气自西向东影响我国大部，新疆北部等地将有强降雪

Core Viewpoint - A strong cold air mass will impact most regions of China from the night of November 4 to November 9, leading to significant temperature drops and strong winds in various areas [1] Summary by Relevant Sections Weather Impact - The cold air will primarily affect Xinjiang, western Inner Mongolia, and the Tibetan Plateau from November 4 to 7, and then continue to move east and south, impacting most areas north of the Yangtze River on November 8 and 9 [1] - Temperature drops of over 10°C are expected in parts of northwestern Xinjiang, western and northeastern Inner Mongolia, and northern and eastern Northeast China [1] - Wind speeds in the mountain passes of Xinjiang may reach 8-9 levels, with gusts of 10-11 levels [1] Snowfall and Precipitation - Strong snowfall is anticipated in northern Xinjiang, central and eastern Inner Mongolia, and northern Heilongjiang, with high-altitude areas in northern Xinjiang experiencing heavy rain to heavy snow, adding 8-15 cm of snow depth, with local areas exceeding 20 cm [1] Advisory and Precautions - Meteorological experts advise that northern regions will experience significant temperature drops of 6-8°C, accompanied by strong winds, necessitating warm clothing and caution during outdoor activities [1] - The onset of the snow season in Xinjiang, particularly in high-altitude northern areas, requires attention to the adverse effects of heavy snowfall on road traffic and agriculture [1] - Typhoon "Haikui" is expected to bring strong winds to the South China Sea and the southern coast, prompting the need for timely evacuation of vessels and offshore workers [1]