中央气象台发布预报称，未来三天青藏高原中东部将有明显雨雪天气，其中西藏南部有强降雪和大暴雨。1 具体而言，10月29日至31日，西藏南部沿喜马拉雅山附近高海拔区域将出现暴雪到大暴雪，局地可达特大暴雪。1 在此过程中，西藏南部过程累计降水量为20～50毫米，局地可达60～110毫米；最大累计降雪量为30～60毫米，新增积雪深度10~30厘米，局地40厘米以上。1
与此同时，受冷空气影响，东北、华北及内蒙古等地将出现大风和降温过程，局地伴有较强降雪。1 预计10月29日至31日，内蒙古东北部、东北地区和华北北部气温下降4～8°C，部分地区可达10°C以上。1 此次天气变化需防范对交通、能源供应及农牧业造成的次生灾害。1
回顾近期天气状况，昨日云南西部和海南东部出现大雨，局地暴雨；西北地区中东部等地出现7～8级阵风，局地9～11级。1
The Central Meteorological Observatory issued a forecast indicating that the central and eastern regions of the Qinghai-Tibet Plateau will experience significant precipitation over the next three days, with southern Tibet facing intense snowfall and heavy rainstorms. 1 Specifically, from October 29 to 31, high-altitude areas along the Himalayas in southern Tibet are expected to see blizzards to severe blizzards, with localized extreme blizzard conditions. 1 The cumulative precipitation in this region is projected to range between 20 and 50 millimeters, potentially reaching 60 to 110 millimeters in some localities. 1 Associated maximum cumulative snowfall is estimated at 30 to 60 millimeters, resulting in new snow depths of 10 to 30 centimeters, which may exceed 40 centimeters in certain areas. 1
Concurrently, cold air masses will bring strong winds and temperature drops to northeastern China, North China, and Inner Mongolia. 1 Between October 29 and 31, temperatures in northeastern Inner Mongolia, Northeast China, and northern North China will decline by 4 to 8 degrees Celsius, with some areas experiencing drops exceeding 10 degrees Celsius. 1 Localized heavy snowfall is also anticipated alongside these weather shifts. 1 Authorities emphasize the need to prevent secondary disasters affecting transportation, energy supply, and agriculture due to these meteorological changes. 1 Prior to this forecast period, heavy rain and localized torrential rain occurred in western Yunnan and eastern Hainan on the previous day, while gusts of force 7 to 8, locally reaching force 9 to 11, were recorded in the middle and eastern parts of Northwest China. 1
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