On the afternoon of October 18, convective clouds still existed and developed in Lam Dong, Tay Ninh, Dong Nai, Ho Chi Minh City, Dong Thap, Can Tho City, An Giang, Vinh Long...
In the next 1-4 hours, these convective cloud pockets will continue to cause showers and thunderstorms in the above area, then may expand to neighboring areas. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind, flash floods on small rivers and streams, landslides on steep slopes.
Weather forecast for the next 24-48 hours, the continental high pressure will weaken, and will strengthen again around October 19. The Northeast wind will decrease slightly in the southern seas.
The wind convergence area in the South China Sea is more active combined with high-altitude easterly wind disturbances. Above, the subtropical high pressure will continue to encroach to the West, after stable activity.
Around October 18, a low pressure trough will be established across the South China Sea connecting with the tropical depression in the eastern part of the Philippines.
Weather forecast for the next 3-10 days, the continental high pressure will continue to strengthen to the South, then will be strengthened more strongly around October 20-21.
The low pressure trough over the South China Sea connecting with the tropical depression is likely to strengthen into a storm in the northeastern Philippines, moving mainly northwest and entering the East Sea on October 19-20,
Around October 21-22, the low pressure trough connecting with the tropical cyclone will weaken and fade. The Northeast wind will be weak in the southern seas, gradually becoming stronger from October 21-22. Above, the subtropical high pressure will operate stably, then weaken.
Therefore, the Southern region is cloudy, sunny during the day, noon, afternoon and evening, with showers and thunderstorms, some places have moderate to heavy rain, during thunderstorms, beware of lightning, strong gusts of wind and tornadoes.
Beware of thunderstorms accompanied by dangerous weather phenomena such as tornadoes and strong gusts of wind affecting agricultural production, breaking trees, damaging houses, traffic works, and infrastructure.
