In the next 24 hours, the low pressure area will move slowly in a West-Northwest direction and is likely to strengthen. Heavy rain in a short period of time may cause flooding in urban areas.
According to the National Center for Hydro-Meteorological Forecasting, on the morning of October 16, the tropical convergence zone with its axis at about 14-17 degrees North latitude connects with the low pressure area located at about 13.7-14.6 degrees North latitude; 111.4-112.4 degrees East longitude.
In the next 24 hours, the low pressure area will move slowly in the West Northwest direction and is likely to strengthen.
During the day and night of October 16, the sea area from Quang Tri to Quang Ngai, Binh Thuan to Ca Mau, the North East Sea area (including Hoang Sa sea area), the middle and South East Sea area (including Truong Sa sea area) will have heavy rain and thunderstorms.
The southern sea area of the Gulf of Tonkin, the sea area from Binh Dinh to Ninh Thuan, Ca Mau to Kien Giang and the Gulf of Thailand will have scattered showers and thunderstorms; in thunderstorms there is a possibility of tornadoes and strong gusts of wind of level 7-8.
In addition, during the day and night of October 16, the northern sea area of the North East Sea will have strong northeast winds of level 5, sometimes level 6, gusting to level 7-8, rough seas, and waves 2-4m high. The Gulf of Tonkin will have strong northeast winds of level 5, sometimes level 6, gusting to level 7-8, rough seas, and waves 1.5-3m high.
All vessels and other activities in the above sea areas are at high risk of being affected by cyclones and strong gusts of wind.
From early morning of October 16 to the night of October 17, the area from South Ha Tinh to Binh Dinh will have moderate to heavy rain with rainfall ranging from 50-100mm, some places over 150mm (on the night of October 17, heavy rain in Quang Binh and Quang Tri areas tends to increase). Particularly, the areas of Thua Thien-Hue, Da Nang and Quang Nam will have heavy to very heavy rain with rainfall ranging from 150-350mm, some places over 500mm.
In addition, on the day and night of October 16, the Central Highlands, the South and other places in the South Central region will have rain, moderate rain and thunderstorms, locally heavy to very heavy rain with rainfall of 30-60mm, some places over 100mm (thunderstorms are concentrated in the afternoon and night).
It is forecasted that on the day and night of October 18, the area from Southern Nghe An to Quang Ngai will have heavy rain of 50-100mm, in some places over 150mm.
The level of natural disaster risk due to heavy rain, tornadoes, and lightning in Thua Thien-Hue, Da Nang, and Quang Nam is level 3; in southern Ha Tinh, Quang Binh, Quang Tri, Quang Ngai, and Binh Dinh, it is level 1.
Risk of flash floods, landslides in mountainous areas and flooding of rice and crop fields in low-lying areas.
Heavy rain in a short period of time causes flooding in urban areas; thunderstorms can cause tornadoes, lightning and strong gusts of wind.
Weather in the regions during the day and night of October 16: The Northwest region is sunny during the day, with some rain at night. Light wind. Lowest temperature 19-22 degrees Celsius, some places below 19 degrees Celsius. Highest temperature 28-31 degrees Celsius, some places above 31 degrees Celsius.
In the Northeast, it is sunny during the day and raining in some places at night. Northeast wind level 2-3. Lowest temperature 20-23 degrees Celsius, in mountainous areas, some places below 20 degrees Celsius. Highest temperature 28-31 degrees Celsius, some places above 31 degrees Celsius.
Hanoi capital is sunny during the day and rainless at night. Northeast wind level 2-3. Lowest temperature 22-24 degrees Celsius. Highest temperature 30-32 degrees Celsius.
Provinces from Thanh Hoa to Thua Thien-Hue are cloudy, with some rain in the North (Thanh Hoa-Nghe An); moderate rain, heavy rain, and some places with very heavy rain and thunderstorms in the South; there is a possibility of tornadoes, lightning, and strong gusts of wind in thunderstorms. North to Northwest winds are at level 2-3. Lowest temperature is 21-24 degrees Celsius. Highest temperature is 26-29 degrees Celsius, some places are above 29 degrees Celsius.
Provinces and cities from Da Nang to Binh Thuan are cloudy, with heavy to very heavy rain and thunderstorms in the North; moderate rain, some places with heavy to very heavy rain and thunderstorms in the South; there is a possibility of tornadoes, lightning and strong gusts of wind in the thunderstorms. Northeast wind in the North, Southwest wind level 2-3 in the South. Lowest temperature 23-26 degrees Celsius. Highest temperature: North 26-29 degrees Celsius, South 30-32 degrees Celsius.
The Central Highlands region is cloudy with scattered showers and thunderstorms. In the late afternoon and evening, there will be rain, moderate rain, heavy rain and thunderstorms in some places; thunderstorms are likely to cause tornadoes, lightning and strong gusts of wind. The lowest temperature is 19-22 degrees Celsius. The highest temperature is 27-30 degrees Celsius.
The South is cloudy with scattered showers and thunderstorms, with rain in the late afternoon and evening, moderate rain, heavy rain in some places, and thunderstorms; thunderstorms are likely to cause tornadoes, lightning, and strong gusts of wind. The lowest temperature is 23-26 degrees Celsius. The highest temperature is 30-33 degrees Celsius, with some places above 33 degrees Celsius./.
According to VNA