When did it start to get cold in China?

China news agency, Beijing, September 18 (Reporter Ruan Yulin) China will be hit by the strongest cold air since this autumn. In the next three days, there will be obvious cooling and rainy weather in most parts of China from west to east. Experts from the Central Meteorological Observatory said that the cold air process has a wide range of influences, with a large cooling range and strong local rainfall. The cooling range in some areas can exceed15 C, and the hot weather in the south will also leave under the double pressure of cold air and super typhoon "Fanbia". Affected by cold air, from 8: 00 to 14 on/kloc-8, concentrated rainfall occurred in Tianjin, northeastern Hebei, eastern and southern Liaoning, southeastern Jilin and other places, and the six-hour rainfall was generally10-25mm. In addition to rainfall, cold air has also brought significant cooling to North China. Meteorological observation data show that at 18 14, compared with 17, the temperature in northern Shaanxi, northern Shanxi, southern Hebei, northwestern Shandong and northern Henan dropped significantly at the same time. The temperature in Zhengzhou plummeted overnight 12℃, and the highest temperature was only 20.6℃. On June 5438+08, the high temperature range in the south continued to expand, becoming the biggest day since September. 18 14 high temperature weather above 35℃ generally occurs in Hubei, Chongqing, Hunan, Jiangxi, northern Guangdong and northeastern Guangxi, and the temperature in some areas of Chongqing and Hunan reaches 37~39℃. The Central Meteorological Observatory predicts that a strong cold air will affect most parts of China from west to east from 19 to 22. Meteorologists said that this is the strongest cold air process that has affected China since the fall of this year. The cold air process has the characteristics of wide influence range, large cooling range and strong local rainfall. Xinjiang, the northeast of northwest China, Inner Mongolia, Northeast China, North China, Huanghuai, Jianghuai and other places will be affected by this strong cold air, and the temperature drop in some parts of the central and eastern regions can reach 10~ 14℃, and the local temperature can exceed 15℃. The Central Meteorological Observatory predicts that there will be rainy weather in western Xinjiang, Tibet, northwest China, north China, northeast China, south China and southwest China in the next three days. Among them, there are heavy rains and local heavy rains in eastern Hetao, northwestern Shaanxi, north-central Shanxi, south-central Hebei, Beijing and northern Tianjin. Affected by the super typhoon Fanyabi, rainfall occurred in southern Jiangnan and southern China, with heavy rains in Taiwan Province Province, Guangdong, eastern and southern Fujian, southeastern Zhejiang and eastern Guangxi, and heavy rains or torrential rains in parts of Taiwan Province Province, central and eastern Guangdong and eastern Guangxi.