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After passing Lu Dong Island (Philippines), on the morning of September 17, the tropical depression entered the East Sea, with winds of level 7, gusting to level 9. In the next 24 to 48 hours, the tropical depression is likely to strengthen into storm number 4,
The National Center for Hydro-Meteorological Forecasting said that at 10:00 a.m. on September 17, the center of the tropical depression was located at about 16.9 degrees North latitude; 119.9 degrees East longitude, in the eastern sea area of the North East Sea.
The strongest wind near the center of the tropical depression is level 7 (50-61km/h), gusting to level 9; moving mainly to the West at a speed of about 20km/h.
It is forecasted that in the next 24 to 48 hours, the tropical depression is likely to strengthen into storm No. 4, with intensity of level 8-9 (62-88km/h), gusting to level 10-11 (89-117km/h).
At 10:00 a.m. on September 18, storm No. 4 was about 320 km east of Hoang Sa archipelago. The strongest wind near the storm center was level 8, gusting to level 10; moving west-southwest, about 20-25 km per hour.
The next morning, storm number 4 was in the western area of the Hoang Sa archipelago. The strongest wind in the storm center was level 9, gusting to level 11; moving west, about 15-20km per hour.
Direction of movement of tropical depression (Photo: Windy).
In the next 48 to 72 hours, the storm is likely to change direction, moving in a West Northwest direction, traveling about 10km per hour.
On the morning of September 17, Huyen Tran area had strong winds of level 6 (39-49km/h), gusting to level 8-9 (62-88km/h); in the western sea area of the South China Sea (including the western sea area of Truong Sa archipelago), there were strong winds of level 6, sometimes level 7; Truong Sa island station had gusts of level 7.
Day and night 17/9: From Ninh Thuan to Ca Mau; the south of the central East Sea area, the southern East Sea area (including the sea area of Truong Sa archipelago) has wind level 6, sometimes level 7, gusting to level 8-9; rough seas.
Waves are 3-5m high; in the sea area from Ninh Thuan to Ca Mau, waves are 2-4m high.
From Ca Mau to Kien Giang and the Gulf of Thailand, the wind will be level 5, sometimes level 6, gusting to level 7-8, rough seas. Waves will be 2-3m high.
The East of the North East Sea has winds of level 6-7, near the storm center it has winds of level 8, gusting to level 10; rough seas. Waves are 3-5m high.
In addition, in the Gulf of Tonkin, the sea area from Quang Tri to Ca Mau, Ca Mau to Kien Giang, the Gulf of Thailand; the northern, central and southern areas of the East Sea (including the waters of the Hoang Sa and Truong Sa archipelagos) will have showers and thunderstorms. During thunderstorms, there is a possibility of tornadoes and strong gusts of wind of level 7-8.
Currently, the tide level in the western coastal area of the South is high, it is necessary to guard against abnormal water level rise causing sea dike erosion.
Day and night 9/18: The North East Sea area (including the Hoang Sa archipelago) has strong winds of level 6-7, the area near the storm’s eye has strong winds of level 8-9, gusts of level 10-11 (89-117km); violent seas can sink ships; waves are 3-5m high.
The northern sea area in the central East Sea has strong winds of level 6-7, gusting to level 8-9; rough seas are dangerous for ships; waves are 3-5m high.
The sea area from Ninh Thuan to Ca Mau, the sea area south of the area between the East Sea and the South East Sea area (including the sea area of Truong Sa archipelago) has strong southwest wind level 6, sometimes level 7, gusting to level 8-9; rough seas are dangerous for ships; waves are 3-5m high.
In the sea area from Ninh Thuan to Ca Mau, the waves are 2-4m high.
The sea area from Ca Mau to Kien Giang and the Gulf of Thailand has southwest wind level 5, sometimes level 6, gusting to level 7-8; rough sea; waves 2-3m high.
Mr. Nguyen Van Huong, Head of Weather Forecast Department, National Center for Hydro-Meteorological Forecasting, warned that from the morning of September 17, the eastern area of the North East Sea will have showers and thunderstorms, strong winds of level 7 (50-61km/h) gusting to level 9 (75-88km/h), and rough seas.
Therefore, ships operating in the above area are in danger, subject to the impact of strong winds and large waves.