Vietnam Time

10/11/2017 11:08:22 AM

Tropical low depression brings heavy rain, flooding to northern and central regions

(VNF) - A tropical low depression which has been sweeping over the East Sea for the last two days made landing in coastal provinces from Ha Tinh to Quang Binh on the morning of October 10, bringing heavy rains and large scale flooding to northern and central regions.

According to the National Centre for Hydro-Meteorological Forecasting (NCHMF), over the past two days the northern and central provinces from Thanh Hoa to Quang Ngai have seen rainfall amounts of 100-200mm, with heavier rain hitting Phu Ly city (Ha Nam) 209mm, Vinh city (Nghe An) 280mm, Huong Son district (Ha Tinh) 277mm and Tuyen Hoa district (Quang Binh) 290mm.

Heavy rains caused a landslide at Lam Giang Railway Station in the northern province of Yen Bai yesterday night, blocking the Hanoi - Lao Cai railway line. It will take about four days to completely handle the issue. During the time, passengers have to travel via Noi Bai-Lao Cai expressway or Highway 70.

In Vinh, heavy rains caused flooding on many roads and residential areas, leading to traffic chaos.

Major roads such as Quang Trung, Tran Phu, Nguyen Van Cu, March 2 and Nguyen Cong Tru are submerged in 0.3-0.5m water. In Ben Thuy ward, many places are flooded in 2-meters-deep water.

Co Chau dam in Gia Hanh commune, Can Loc district (Ha Tinh province) with a capacity of nearly 3,000 m3 has been breached, causing heavy flooding for a range of hamlets in the locality. (Credit: NDO)

Local authorities have mobilised forces to help transport people and property to higher land. Mobile and traffic police are present at deep flooding sites to guide traffic and assist passersby.

The province’s Department of Education and Training asked the Vinh city Education Department to notify all parents to keep their kids at home. This is the second time these Vinh students have had to stay home due to natural disasters this school year.

As of 9 am this morning, two victims have been washed away by flooding in Nghe An. Local authorities are coordinating a search for the ill-fortune.

Meanwhile, in Ha Tinh, heavy rains have resulted in widespread floods and landslides, isolating many mountainous localities throughout the province.

Continuous heavy rains are causing high water levels in the Ngan Sau and Ngan Pho Rivers, as well as in reservoirs and fields in Huong Son and Vu Quang mountains districts. In Can Loc district, Co Chau dam in Gia Hanh commune, with a capacity of nearly 3,000m3, has been breached, causing devastating floods in many villages in the area.

Landslide at Lam Giang Railway Station in Yen Bai blocks the Hanoi - Lao Cai railway line. (Credit: NDO)

According to the NCHMF latest forecast, over the next 12 hours, the tropical cyclone will move to the North West, at about 25 kph, moving further into the mainland and weakening into a low pressure area in Upper Laos.

As of October 12, heavy rainfall from 100-150mm, even over 200mm, will continue in both regions. Hanoi will suffer heavy rainfall amounts of 40-70mm until tomorrow.

Mountainous areas and lowland localities, including Ha Giang, Tuyen Quang, Lao Cai, Yen Bai, Son La and Hoa Binh, as well as provinces from Thanh Hoa to Thua Thien-Hue, are warned of flash floods and landslides.

The typhoon season in Vietnam runs from approximately July through November. Recently, a number of huge storms and floods have harshly hit the country, including Doksuri, the "most powerful storm in a decade".

Doksuri, the 10th typhoon in the East Sea so far this year, has killed eight people and injured 215 others in six central provinces of Vietnam. More than 200,000 houses have had their roofs blown away, 2,440 electricity poles have collapsed and more than 20,000ha of rice have been destroyed. The VNRC estimated cost of total damages due to Doksuri typhoon had reached VND10,174 billion ($442 million).

According to NCHMF’s forecast the 2017 rainy season will see 13 to 15 storms and tropical depressions in the East Sea.

The increase in terms of frequency and intensity of these disasters are attributed to climate change, one of biggest challenges to the human beings.

Vietnam is considered as one of the countries most affected by climate change, its Mekong Delta is one of the world’s three most vulnerable deltas (together with the Nile Delta in Egypt and the Ganges Delta in Bangladesh) to the sea level rising.

According to climate change scenarios, in late 21st century, Vietnam’s yearly mean temperature will go up by 2-30C, the total yearly and seasonal rainfall increases while the rainfall in dry seasons will decrease, the sea level can rise by 75 cm to 1 m compared to the 1980-1999 period.

If the sea level rises by 1 m, about 40% of the Mekong Delta area, 11% of the Red River Delta and 3% of coastal provinces will be inundated (over 20% of Ho Chi Minh City flooded); about 10-12% of Viet Nam’s population are directly impacted and the country will lose around 10% of GDP./.

  ( VNF )
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