影响超20省份！大范围雨雪，要来了

Core Points - A strong cold air mass is affecting various regions in China, leading to significant snowfall and temperature drops [6][11] - The core area of rain and snow is shifting towards Northeast China and Inner Mongolia [5][8] - Major cities like Beijing and Tianjin have initiated trial heating systems in response to the cold weather [16] Weather Impact - Regions such as Xinjiang, Qinghai, and Gansu experienced heavy snowfall, with Urumqi breaking its record for November snowfall, accumulating over 20 centimeters [6] - The cold air will bring temperature fluctuations, particularly in Northeast China, where temperatures may drop below 5°C [11] - Central and eastern regions will also see a drop in temperatures, with cities like Beijing and Taiyuan expected to have maximum temperatures around 10°C [11] Heating Measures - Beijing and Tianjin have started trial operations of their heating systems to prepare for the cold weather and ensure public comfort [16] - Residents are advised to monitor their heating facilities during the trial period and report any issues [16]