The weather situation causing heavy rain is due to the tropical convergence zone with an axis through the North Central region connecting with the tropical depression in the eastern sea of the North East Sea, the tropical depression moving in the West Northwest direction and is likely to strengthen.
The southwest monsoon has medium to strong intensity. Above, the subtropical high pressure with an axis through the North of the North tends to encroach on the West.
Therefore, from December 30,8-29: The Southern region will have moderate rain, heavy rain, locally very heavy rain. Total rainfall is generally 120-160 mm, in some places over 160 mm.
Beware of the possibility of heavy rain causing flooding in low-lying areas, urban areas, industrial parks, riverside areas and canals.
The sea area from Lam Dong to Ca Mau (including the sea area of Ho Chi Minh City) has southwest winds of level 5, sometimes level 6, gusting to level 7-8. In particular, Lam Dong sea area is level 6, gusting to level 7-8, wave height 2.0-3.5m, rough seas.
The sea area of Ca Mau - An Giang - Phu Quoc has southwest winds of level 4-5, gusting to level 6-7, wave height of 1.0.0m, the sea is slightly rough. In both sea areas, there will be scattered showers and thunderstorms. During thunderstorms, beware of tornadoes and strong gusts of wind.