China Weather Network News three days from today (August 29 to 31), Sichuan, Shaanxi and other places have experienced frequent rainfall. Today, there are heavy rains or heavy rains in parts of southern Shaanxi, northeastern and southwestern Sichuan Basin, and northwestern Chongqing. Heavy rain.

In the next 10 days, there will be more rainy weather in the western and northern parts of the Sichuan Basin, and the accumulated rainfall will change from the previous significantly less to more.

At the same time, with the force of cold air and increased rainfall, the large-scale high temperature weather in the south this week has basically ended, and the autumn in the north has gradually become apparent.

West China will enter a rainy period, need to be alert to the sudden change of drought and flood

  Yesterday, significant rainfall occurred from the northwestern Sichuan Basin, eastern Northwest China to Huanghuai and other places. Live monitoring shows that the western and northern Sichuan Basin, central and southern Shaanxi, southern Shanxi, southern Hebei, northwestern and eastern Henan, central Shandong, etc. Heavy rain or torrential rain occurred in some parts of the region, such as Guangyuan, Nanchong, Mianyang and Chengdu in Sichuan, Enshi in Hubei, Ningde in Fujian, Zhaotong in Yunnan and other local heavy rains.

  Before the end of August, rainfall will mainly appear on the west and north sides of the subtropical high, that is, the eastern part of the Northwest Region, the eastern part of the Southwest Region, the southern part of North China, Huanghuai, Jianghan, Jianghuai and other places.

  Among them, today, southern Shaanxi, central and northern Sichuan Basin and eastern Sichuan Plateau, most of Chongqing, western Hubei, central and western Henan, southern Shandong, central and northern Jiangsu, southern Anhui, central and southern Jiangxi, northern Guangdong, southwestern Yunnan, and northeastern Qinghai There are moderate to heavy rains in the central and southern parts of Tibet, and southeastern Tibet. Among them, there are heavy rains or heavy rains (100-190 mm) in parts of southern Shaanxi, northeastern and southwestern Sichuan Basin, northwestern Chongqing, and eastern Jiangsu.

  Tomorrow, rainfall will ease as water vapor conditions deteriorate and cold air moves south.

It is estimated that southeastern Shaanxi, northeastern Sichuan and western Sichuan Plateau, northern and eastern Chongqing, western Hubei, southwestern Henan, northern Anhui, northern Jiangsu, northern Zhejiang, central and southern Jiangxi, central and western Guangdong, eastern Guangxi and southeastern Tibet are expected to Moderate to heavy rain (25-45 mm) in some areas.

  Looking forward to the mid-term, there will still be more rain in the western and northern parts of the Sichuan Basin. It is expected that in the next 10 days, there will be more rainy weather in the western and northern parts of the Sichuan Basin and the eastern part of the Qinghai-Tibet Plateau. The cumulative number of rainy days will be 5 to 8 days. Significantly less turned into 40% to 1 times more than the same period of normal years, and more than 2 times more locally.

  Since August, the south has experienced high temperature and little rainfall, and meteorological drought has continued to develop. In the future, frequent rainfall in West China will also help alleviate the meteorological drought in this area and reduce the meteorological level of forest fire danger.

However, the junction of Sichuan and Shaanxi, where the rainfall is the strongest and most concentrated, also needs to guard against secondary disasters that may be caused by frequent rainfall.

  Usually September-October is the rainy season in western China, which is called the autumn rain in western China in meteorology.

In some years, the autumn rain in Western China starts in late August.

Moreover, if the subtropical high is stronger and more westward, and more water vapor is transported, the autumn rain in western China tends to be stronger.

The public should pay attention to the now forecast and beware of sudden changes in droughts and floods.

This week, the high temperature in the south has basically eased, and the autumn in the north is getting stronger

  Yesterday, the high temperature range in the south was relatively wide, from eastern Sichuan, Chongqing to Hunan, Jiangxi, central and northern Guangdong and many other places, with high temperatures above 35 °C.

  Starting today, with the force of cold air and the increase in rainfall, the high temperature in eastern Sichuan, Chongqing and other places will be significantly reduced and weakened. By the 30th, there will only be a certain range of high temperature weather in southern Jiangnan, South China and other places.

After entering September, the large-scale high-temperature weather in the south will basically end, and there are only scattered high-temperature weather in southern China.

  Like Chongqing, the temperature exceeded 40°C yesterday. Since August 8, the number of consecutive 40+°C days has reached 21 days, setting the longest record since local meteorological records.

Today, the high temperature in Chongqing is finally about to be interrupted, the maximum temperature will drop to 33 ℃, and the maximum temperature the day after tomorrow may be less than 30 ℃.

  In the north, the cold air will be frequently affected in the next few days, the temperature will fluctuate, and the temperature will fluctuate downwards.

At present, the autumn is rapidly expanding the "site" in the northern region, and many places in the northeast and northwest have entered the autumn in the meteorological sense.

Although the meteorological autumn in the North China Plain has not yet officially arrived, it also feels like autumn.

The public should pay attention to temperature changes and add appropriate clothing to avoid catching a cold.