四川盆地东部至黄淮南部等地多降雨

Summary of Key Points Core Viewpoint - The article discusses significant weather changes across various regions in China, including heavy rainfall and high temperatures, and provides forecasts for upcoming weather patterns that may impact agriculture and transportation [1]. Weather Conditions - On October 12, noticeable rainfall was reported in Sichuan, Shaanxi, Henan, Shanxi, and Hebei, while parts of Jiangxi, central and southern Zhejiang, and Fujian experienced high temperatures ranging from 35 to 38 degrees Celsius [1]. - The Central Meteorological Observatory predicts light to moderate snow or sleet in northern Xinjiang and along the Tianshan Mountains, with local heavy snow expected from October 13 to 14 [1]. Temperature Changes - A cold front is anticipated to cause temperature drops of 4 to 8 degrees Celsius in northern and eastern Xinjiang, western Gansu, and western Inner Mongolia, with some areas experiencing drops of around 10 degrees Celsius [1]. Rainfall Forecast - From 20:00 on October 12 to 20:00 on October 13, regions including southeastern Shaanxi, northeastern Sichuan, northern Chongqing, western Hubei, and southwestern Henan are expected to experience heavy to torrential rain, with local areas in northern Chongqing receiving 100 to 120 millimeters [1]. - Additionally, eastern and southwestern Guangdong, southern Guangxi, western Hainan Island, southern Hunan, and parts of Jiangxi and Fujian may see heavy rain or torrential rain ranging from 50 to 80 millimeters, accompanied by short-term heavy precipitation and severe convective weather [1]. Warnings and Recommendations - The Central Meteorological Observatory has issued a blue alert for heavy rain as of 18:00 on October 12 [1]. - Meteorological experts advise monitoring the impact of ongoing rainfall on autumn harvests and sowing, as well as potential secondary disasters in affected areas [1].