First, important weather
1. “Mountain God†landed on the coast of Nanding Province, Vietnam. The center of the No. 23 typhoon “Son-Tinh†landed on the coast of Nanding Province, Vietnam at around 23:30 on the 28th. There are 12 levels (33 m / s), the central minimum pressure is 975 hectopascals. On the morning of the 29th, “Mountain God†weakened into a strong tropical storm in the northeastern part of Vietnam. At 0500, its center was located in Quang Ninh province, Vietnam, which was 21.0 degrees north latitude and 107.0 degrees east longitude. The maximum wind power near the center was 10 (25 m/s). The minimum pressure in the center is 985 hectopascals. It is estimated that “Shan Shen†will move north to east and north to the north at a speed of 10 to 15 kilometers per hour. It is possible to land again on the coast of Guangxi on the afternoon of the 29th, and it is also possible to move eastward along the coast of Guangxi. The intensity gradually weakens.
2. The Central Meteorological Observatory continues to issue windfall and temperature forecast
From 29 to 30, a moderately strong cold air will affect most of China's regions. Most of the central and eastern regions will cool down by 4 to 8 °C, and some areas will have a temperature drop of 10 °C. In the northwestern region, North China, Northeast China, Huanghuai, etc. There are 4 to 6 winds in the ground. 
3. There are fogs in the Huanghuai, Jianghuai and other places. In the morning and morning, some parts of Anhui, Jiangsu, and northern Zhejiang are foggy, and the visibility in some areas is less than 500 meters.
Second, the specific forecast for the next three days
From 08:00 to 30:00 on the 29th, there are small to medium snow (rain) or sleet in the eastern part of the Qinghai-Tibet Plateau, southeastern Inner Mongolia, and the northeastern part of the Northeast; southeastern part of the northwest, Huanghuai, Jianghuai, Jianghan, Jiangnan, Most of the southwestern regions and most of southern China have small to moderate rains or showers. Among them, there are heavy rains in central and southern Guangxi, western Guangdong, northern Hainan, etc., and heavy rains (100-240 mm) in parts of southwestern Guangxi; eastern Hubei Heavy rain occurred in parts of northern Hunan, southern Anhui, northwestern Jiangxi, western Zhejiang, and northeastern Guizhou. There are 4 to 6 winds in most parts of the Huaihe River. Affected by the "mountain god", the Beibu Gulf has 6 to 8 grades and gusts of 9 to 10 winds. Due to the influence of cold air, there are 6 to 7 grades in the Bohai Sea and the northern part of the Yellow Sea and 8 northerly winds. 
From 08:00 to 31:00 on the 30th, there were small to moderate rains or showers in the southwestern part of the southwest, south-central Jiangnan, southern China, and Guizhou. Among them, some areas in eastern Guangxi, Guangdong, and southeastern Fujian have heavy rains. There is heavy rain (100-140 mm) in the southeastern part of Guangxi and southwestern Guangdong. There are 4 to 5 winds in central Inner Mongolia and northern North China. Affected by the cold air and the remnant circulation of the “Mountain Godâ€, the Beibu Gulf will have a northeast wind of 6-8 grades and 9 winds. 
From 08:00 on October 31 to 08:00 on November 1, there are light snow (rain) or sleet in northern Xinjiang, northern Heilongjiang, eastern Jilin, etc.; southern Sichuan, Yunnan, south-central Guangdong, southeastern Fujian, Hainan, Taiwan There were small to moderate rains or showers in the same places, including heavy rain in parts of central and eastern Taiwan. There are 4 to 5 winds in central Inner Mongolia, northern North China, and Shandong Peninsula. Affected by cold air, the northeastern part of the East China Sea, the Taiwan Strait, the northern part of the South China Sea, and the Beibu Gulf will have northeast winds of 6 to 7 and gusts 8 to 9. 
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