Low pressure areas in the sea have the ability to become tropical depression | News



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The low pressure area is expected to move in a northwesterly direction in the next 24 hours, at about 25 km per hour. At 1:00 p.m. on December 19, the center of the low-pressure area was approximately 8.5-9.5 north latitude; 121.0 – 122.0 degrees east longitude, in the waters of the southern Philippines.

During the next 24 to 48 hours, the low pressure area moves in a northwesterly direction, each hour it enters between 20 and 25 km in the East Sea and is likely to develop into a tropical depression. At 1:00 p.m. on December 20, the location of the low-pressure tropical center is approximately 10.5 north latitude; 116.5 degrees east longitude, about 250 km from Song Tu West Island (Spratly Islands) to the southeast. The strongest wind in the area near the center of low tropical pressure level 6-7 (40-60 km / h), level 9.

For the next 48 to 72 hours, the tropical depression moves west, then has the ability to change direction to move southwest, every hour to travel 20-25 km to strengthen in a storm.

Due to the influence of a low pressure axial trench at about 4-8 degrees north latitude connecting the low pressure area in the southeastern Philippine Sea combined with cold air, the western waters of the Spratly have strong northeast winds. . level 6, shock level 7-8; rough seas; sea ​​waves 2 to 4 m high. The South China Sea region (including the waters of the Spratly Islands) and the Gulf of Thailand experience rain and thunderstorms. During a storm, there is the possibility of tornadoes and strong winds. In the next 48 to 72 hours, the winds from the Middle and Southeast Sea gradually increase to level 6-7, the area near the center of the storm strongly passes through level 8, level 11 and very strong seas.

The cold air intensifies

This afternoon (December 18), intensified cold air affected parts of the Northwest and Central North. In the Gulf of Tonkin, there were strong Level 6, Level 8 winds.

Tonight (December 18), the cold air part is forecast to affect other locations in the Northwest and North Central, and then the Central Central.

Due to the influence of the intensified cold air, tonight (December 18) in the north and Thanh Hoa had rain and little rain; The provinces from Nghe An to Khanh Hoa continue to rain, with moderate and heavy rains. The northern and central northern provinces continue to be cold, harmful with the lowest temperature of 10-13ORC, mountainous region 7 – 10ORC, mountainous areas where less than 5ORC and the possibility of frost; Starting tomorrow night in the high mountains there is the possibility of frost.
The inland northeast wind is level 3 strong, coastal zone level 4. In the Gulf of Tonkin, the strong northeast wind is level 6, sometimes level 7, shock level 8, strong swell, waves of 2 to 3 m high; The area between the East Sea, the Central Offshore Sea and the maritime area from Binh Thuan to Ca Mau (including the waters west of the Spratly Archipelago) continues to experience strong level 6, level 7-8 winds from the northeast; rough seas; sea ​​waves 2 to 4 m high. In the Northeast Sea area (including the waters of the Paracel archipelago), the strong northeast winds are level 6-7, level 9; strong seas; Sea waves from 3 to 5 m high.

In addition: due to the influence of the low pressure trench with an axis at about 4-8 degrees north latitude, the waters of the South China Sea (including the waters of the Truong Sa Archipelago) and the Gulf of Thailand have rains and storms electrical. During a storm, there is the possibility of tornadoes and strong winds.

Warning, the damaging cold snap in the north and north central is likely to last until about December 20.

Level 1 natural disaster risk alert.



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