Source: Socialist Republic of Vietnam
In the next 12 hours, the tropical depression will move in a northwest direction, at a speed of 25 km per hour and is likely to gain strength and become a storm.
The storm is forecast to continuously change direction, decrease in speed and strengthen over the next two days.
On the morning of December 21, the storm centre was about 200 km southwest of Song Tu Tay Island with wind power from level 8 to 10.
The storm centre is predicted to be 140 km northeast of Huyen Tran beach early on the morning of December 22 with wind power up to level 8-9 and gust wind at level 11.
The storm circulation could cause unseasonal rain in southern provinces on December 21-23. The storm will then spread across the mainland of the South.
Over the next 24 hours, the danger zone in the East Sea lies from latitude 8 to 12 degrees north latitude and from longitude 112 to 120 east longitude. All vessels operating in the danger zone are at high risk of strong winds.
* The Northern and North Central provinces continue to be cold on December 20 with lowest temperatures of 8-11 degrees C, mountainous areas of 5-7 degrees C and below 4 degrees C in higher mountainous areas, according to the national weather forecast agency.
Hanoi will face a lowest temperature of 9-11 degrees C, without any rain.
Meanwhile, provinces from Ha Tinh to Khanh Hoa will see rains with moderate to heavy rains in some places.