On the afternoon of September 29, thunderstorms are developing and causing rain with thunderstorms and lightning in the Ho Chi Minh City area. In the next 0-3 hours, thunderstorms will continue to develop, causing showers, accompanied by thunderstorms and lightning in the above areas, then expanding to other neighboring areas. Rainfall is generally from 5-20 mm, in some places over 25 mm. During thunderstorms, beware of tornadoes, hail and strong gusts of wind of about level 5-7 (8-17 m/s), heavy rain causing local flooding.
Weather forecast for the next 24-48 hours, the tropical convergence zone will gradually lift its axis to the North. The southwest monsoon reduces the intensity of activity, at an average level. Above, the subtropical high pressure in the southern branch will continue to encroach on the West and gradually lift its axis to the North, and around September 30 it will have a sideways axis through the South - South Central region.
Therefore, the Southern region is cloudy with scattered showers and thunderstorms; in the afternoon and evening, there are scattered showers and thunderstorms, with some places having heavy rain. Total rainfall is generally 40-80 mm, in some places over 80 mm. From September 30, the rain will gradually decrease in both area and volume.
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, infrastructure