South China ’s heavy rainfall weakens but the flood situation is still severe meteorological expert: pay attention to a single point strong precipitation

Cover news reporter Teng Yan

The rain belt in South China has begun to lift north, but the flood conditions in some areas are still severe.

▲ Guangdong Yingde flood situation is still severe (Picture Source: China Weather Network)

The Ministry of Water Conservancy stated that the Pearl River Basin Beijiang No. 2 this year will develop into a large flood. Xijiang No. 4 this year is evolving. The water level continues to rise and will maintain a high water level for a long time. The flood prevention situation is extremely severe and complicated.

On June 22, the cover reporter learned from the Hydrological Intelligence Forecast Center of the Ministry of Water Resources that the Pearl River Water Conservancy Committee and the Guangdong Provincial Water Sciences Bureau have issued a flood red warning, which is also the highest level of the flood warning. On the evening of the 21st, the Pearl River Defense General and Guangdong Province Flood Control and Drought Control and Wind and Wind and Wind and Wind and Wind and Wind and Wind and Wind and Wind and Wind and Wind and Wind and Wind and Wind and Wind and Wind and Wind and Windskatta responded to the level I Ⅰ, and they were also the highest level response.

The flood warning of the Water Cultural Bureau of the Pearl River Committee showed that due to the rainfall, the flow of the Shijiao Station on June 22 was 18,500 cubic meters per second, which exceeded the maximum value of historical measurement. The reporter learned that the standard for flooding red warning is: water level (traffic) reaches or exceeds the highest water level (maximum flow), and the reappearance period of the flood element reaches or more than 50 years.

The precipitation from May 21st to June 21st is called "Dragon Boat Water". Data from the Guangdong Meteorological Bureau shows that during the "Dragon Boat Water" this year, the average rainfall of Guangdong was 514.5 mm, which was the third since the meteorological records. And the "Dragon Boat Water" space is seriously distributed, showing an abnormal "North Duo Nan Shao" trend. The main cooling area is highly concentrated in northern Guangdong and counties. The rainfall of Shaoguan and Qingyuan refreshed historical records, and the largest accumulated rainfall of the South Dali Mountain Town of Qingyuan was 1689.2 mm.

From June 13th to 21st, Guangdong has a large range of heavy precipitation for 9 days, which has the characteristics of "long precipitation time, large accumulated rainfall, overlapping rainstorm area, overlapping of various disasters". Northern Delta City and County.

Shaoguan and Qingyuan City Yingde Flood is more severe. The reporter noticed that in the early morning of the 22nd of the Shaoguan Bureau of the Shaoguan Water of the Guangdong Province, the second flood of the biggest flood this year has been successfully flattened. In addition, according to the Qingyuan Hydrological Branch, without considering the scheduling of water conservancy projects and replenishment of rainfall, it is expected that Beijiang Yingde Station will appear about 36.10 meters around the 22nd, about 36.10 meters of flooding water levels, super warning at 10.10 meters. Earlier, as of 12:00 on the 21st, Yingde Station's water level was 34.57 meters, which has exceeded the record of 34.51 meters (June 18, 1994).

At present, the rainfall in South China has weakened, and the rain belt has developed north. From 22 to 23, Sichuan, Huanghuai, Jianghuai, Northeast and other places will "relay" into a strong rainfall center. However, Yuan Yuan, chief and researcher at the National Climate Center Dating Dating Dating Dating Dating, stated at the expert interpretation meeting of the China Meteorological Administration on the 22nd that during the midsummer (July to August), Guangdong and Guangxi may have a strong precipitation process. The trend of more water is mainly.

Yu Chao, the chief forecast at the Central Meteorological Observatory, reminded that in the future, there may not be a large -scale regional heavy precipitation, but for single points, there may be some decentralized more powerful precipitation, and a single station may reach extreme precipitation. It is necessary to strengthen linkage in various departments to do business and monitoring.

China Weather Network stated that due to the continuous heavy rainfall in the early stage, the Xijiang Water level in the Pearl River Basin is expected to rise in the future, and geological disasters are usually lagging behind. Therefore, Guangdong, Guangxi, Jiangxi and other places still need to do well Flood prevention and flood prevention, alert to secondary disasters such as landslides, mudslides, and small and medium rivers.

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