The central Vietnamese provinces from Ha Tinh to Phu Yen could experience widespread downpours on Monday and Tuesday, with rainfall ranging between 80mm and 200mm, according to the national weather center.
Between 10:00 am on Monday and 7:00 am on Tuesday, precipitation of 80-170mm is forecast for the provinces from Ha Tinh to Quang Tri, while the localities from Thua Thien-Hue to Phu Yen may see much higher rainfall of 100-200mm.
Showers and whirlwinds are expected to hit the northern part of Nghe An Province, located in north-central Vietnam, the Central Highlands, and southern Vietnam throughout Monday.
Excessive rainfall will likely last until Wednesday in the central provinces from Quang Tri to Phu Yen.
Phung Tien Dung, head of the Hydrological Forecasting Department under the National Center for Hydro-Meteorological Forecasting, said the water level was rising in the rivers passing through Ha Tinh and Quang Binh Provinces on Monday morning.
The national weather center also issued a flood warning for areas along the rivers from Ha Tinh to Quang Ngai Provinces from Monday to Thursday.
People in mountainous, low-lying, riverside, and urban areas from Ha Tinh to Quang Ngai should take precautionary measures against possible flash floods, landslides, and flooding, Dung said.
Regarding weather conditions at sea, due to the impact of a cold spell, the Gulf of Tonkin and the northern part of the East Vietnam Sea could see strong winds on Monday and Tuesday.
In addition, showers and strong thunderstorms, accompanied by whirlwinds and gusts, may lash the western waters of the East Vietnam Sea, the Gulf of Tonkin, the waters from central Quang Tri Province to southern Kien Giang Province throughout Monday.
All fishing vessels and other activities in these areas could be impacted by strong winds and high waves.
To cope with possible extreme weather conditions, the national steering committee for natural disaster prevention and control asked the authorities from Nghe An to Quang Ngai to dispatch forces to vulnerable areas to prepare for possible evacuation of local residents.
The authorities from northern Quang Ninh Province to Kien Giang need to inform fishing vessel owners and captains of the bad weather in order to seek shelter and arrange fishing activities properly and safely.