我国将有寒潮和雨雪冰冻过程 两部门联合发布冬小麦、油菜冻害风险预警

Group 1 - The core viewpoint of the articles highlights a significant cold wave and extensive rain and snow weather process expected in China from January 17 to 21, with various regions experiencing temperature drops and precipitation [1][2] - The Central Meteorological Observatory predicts that the cold wave will impact different regions sequentially, starting from Xinjiang and Inner Mongolia, moving to the central and eastern parts of the country, and finally affecting southern areas like Guizhou and South China [1] - The forecast indicates that areas in the southeast of Northwest China, southern North China, Huanghuai, Jianghan, western Jianghuai, and northern Jiangnan will experience moderate to heavy snow or rain-snow mix, with some regions potentially facing blizzards [1][2] Group 2 - The characteristics of this cold wave process include a larger range of rain and snow compared to previous cold waves, with early transitions from rain to snow in the central and eastern regions [2] - The Ministry of Agriculture and Rural Affairs and the China Meteorological Administration have issued frost damage risk warnings for winter wheat and rapeseed, advising farmers to take preventive measures against frost damage [2]