A cold front is moving northwards and is expected to hit the northern mountain provinces by morning of November 20, according to the national weather bureau on November 19.
The bureau forecasts that the cold front is expected to hit the northern delta areas and north central coastal regions by November 20 – 21.
The northern parts of the East Sea will see north-easterly winds progressively intensify to level 6-7, even to level 8-9.
It will create high winds and heavy rainfall in the aforementioned areas and rough seas in Bac Bo (Gulf of Tonkin) and the northern parts of the East Sea.
Weather officials warn of flash floods and landslides in mountain areas and severe flooding in low-lying areas.
Meanwhile, fog is expected to appear in Ho Chi Minh City as well as the southern provinces on November 20 due to heat precipitation.