中国气象局：三股冷空气将至，防范阶段性大风和低温冻害

Core Viewpoint - The China Meteorological Administration forecasts that most regions in China will experience temperatures close to or above the historical average in December, with specific areas facing lower temperatures and increased precipitation [2][3]. Weather Forecast - Three cold air masses are expected to impact China from December 3 to December 12, with overall weak intensity and less precipitation, leading to higher temperatures [2]. - A cold wave will affect eastern China from December 3 to 4, bringing temperatures down by 4 to 8 degrees Celsius [2]. - The first typhoon of the season is expected to form in the eastern Philippines around December 5 and impact the South China Sea from December 8 to 10 [2]. Regional Temperature and Precipitation - Most areas will have temperatures near or above the historical average, except for northeastern China, eastern Inner Mongolia, and northern Xinjiang, which will be below average [3]. - Precipitation is expected to be above average in northern China, including parts of North China, Northeast China, and Inner Mongolia, while other regions will see average to below-average precipitation [3][5]. Agricultural Implications - There is a need to prepare for potential wind and low-temperature damage in northern pastoral areas, with recommendations for agricultural facilities to be ready for adverse weather [3]. - Southern regions face risks of frost damage due to high temperatures and low precipitation, necessitating proactive measures [3]. Historical Weather Review - In November, the average temperature across China was 4.2 degrees Celsius, 0.9 degrees higher than the historical average, with three cold air events recorded [5]. - The average precipitation in November was close to the historical average, with significant cold waves affecting transportation and agricultural activities [5][6].