There will be some heavy rain in September. Where will the rainstorm come from?

Heavy rain is common in most parts of China. From June 2 to July 2, the Central Meteorological Observatory issued a rainstorm warning of 3 1 day, and many places in the south suffered from floods.

Why is it raining so hard in the south this year? How long will this rainstorm last? Where will the rainstorm come from?

There are heavy rains in parts of 9 provinces and cities.

Since June, there have been seven large-scale heavy rainfall processes in southern China, and 64% of counties (cities) have experienced heavy rain.

Wang Zhihua, deputy director of the Emergency Disaster Reduction and Public Service Department of China Meteorological Bureau, said that the extreme rainfall in the southern region is very prominent, with 10 counties (cities) exceeding the historical extreme, and 52 counties (cities) exceeding the historical extreme of the month.

This extreme is mainly manifested in the process of repeated rainstorms, which has the characteristics of long duration, large accumulated rainfall and large rainstorm intensity. ? Song Lianchun, director of the National Climate Center, said. Since June of 1 year, the precipitation in the Yangtze River basin has exceeded the historical extreme value. The precipitation in Hubei and Chongqing also broke through the historical extremes.

In these two days, a new round of heavy rainfall in the south entered the strongest period, with heavy rains in Sichuan Basin, Chongqing, southwestern Shaanxi, southern Henan, Hubei, central and southern Anhui, southern Jiangsu, Shanghai and northern Zhejiang, and heavy rains in some areas. The hot and muggy weather in South China continues, and heatstroke prevention and cooling is still the top priority.

Yesterday, during the day, heavy rainfall in Sichuan, Chongqing, Hubei, Anhui, Jiangsu, Zhejiang and other places developed one after another, and it began to strengthen obviously at night. According to the field monitoring, heavy rain or torrential rain occurred in parts of eastern and southern Sichuan Basin, southwestern and northern Chongqing, northwestern Hubei, southern Henan, central and northern Anhui, southern Jiangsu, eastern Zhejiang, southeastern Fujian and southern Hainan Island yesterday, and heavy rain occurred in Zigong, Yibin, Luzhou, Rongchang and Dazu, Sichuan (100 ~ 178).