Two hours of record rain in Hanoi
Rainfall in two hours at Lang station has exceeded the historical milestone in 1986 by nearly 6 mm.
The National Center for Hydro-Meteorological Forecasting said that from 14:00 to 16:00 today, the measuring station in Lang recorded 138 mm of rain. According to historical data, the rainfall at this station in two hours exceeded 132.5 mm on June 18, 1986.
In addition, according to the measurement data of Hanoi City, in the same period of time, Cau Giay district had the heaviest rain, more than 170 mm, followed by Tay Ho with more than 150 mm, Hoang Mai with more than 130 mm. Ba Dinh, Thanh Xuan and Thanh Tri districts all received more than 100 mm of rain.
Heavy rain for two hours has caused 30 streets of Hanoi to fall into a state of local flooding, many roads are flooded over 50 cm deep, and traffic is paralyzed. For example, Duong Dinh Nghe street, nearly 1 km long, is a big street, not a small street, flooded with water, the deepest part is through the Keangnam building, which is sometimes over 60 cm deep.
A representative of Hanoi Sewerage and Drainage Company Limited said that with rain of less than 50 mm in two hours, there will be no flooding, from 50 mm to 100 mm in two hours is expected to have 11 inundation points; With intense rains in a short time causing overloading of the drainage system, there will be many local inundation points.
With the rain this afternoon, the drainage unit deployed hundreds of staff to stand on duty at deep flooded points and sewers to warn and pick up garbage to help open the sewers. At the same time, operate the gates of Bay Mau, Dam Chuoi, Ho Me, Yen So, Dong Bong 1, Dong Bong 2, and Co Nhue pumping stations to lower the water level on the system, ensure water drainage and availability. ready for the next rains.
The Hanoi People’s Committee assessed that, in the period of 2021 to 2025, with rapid urbanization, high population density, the development of drainage and wastewater treatment systems is necessary, especially in the Ta Nhue basin. , Huu Nhue (Ta Day area), the area of Ha Dong, Long Bien and Son Tay townships.
The meteorological agency said that heavy rain in Hanoi is due to the influence of a compressed low-trough at about 22-25 degrees. Besides Hanoi, Son La and Hoa Binh provinces also recorded heavy rain.
It is forecasted that from tonight to May 31, the northern mountainous and midland areas will have rain with a common rainfall of 80-120 mm each, and over 150 mm in some places. Afternoon and tomorrow night (May 30), in the area from Thanh Hoa to Thua Thien Hue, there will be showers and thunderstorms, with heavy rain locally.
30 flooded spots on the afternoon of May 29 including Cao Ba Quat, Phung Hung, Lieu Giai, Ton Dan, Thuy Khue, Ta Hien – Luong Ngoc Quyen, Phan Boi Chau – Ly Thuong Kiet, Dien Bien Phu – Nguyen Tri Phuong, Nguyen Phong Sac, Hoang Quoc Viet, Nguyen Chinh, Yen Duyen (Ring Road 3), Truong Dinh, Minh Khai (at the foot of Vinh Tuy bridge), Thai Ha, Nguyen Khuyen, Bui Xuong Trach, Phung Khoang, Vu Trong Phung – Quan Nhan, Nguyen Tuan, Nguyen Trai, Quan Nhan, Trieu Khuc, Ngoc Hoi, Nguyen Xien…
Nhue river basin (maintained by the Company): Phu Xa (the intersection of Phu Xa – Phuc Hoa), Tran Cung, Phan Van Truong, Tran Binh, Duong Dinh Nghe – South Trung Yen (after Keangnam), Do Duc Sex.
Long Bien basin: Drainage shaft at lane 80 Hoa Lam, under the railway underpass Bac Duong, Duc Giang, Nam Duong (in front of An Quy Hung building).
Vo Hai – Gia Chinh
at Blogtuan.info – Source: vnexpress.net – Read the original article here