On the evening of October 6, thunderstorms developed and caused rain with thunderstorms and lightning in Long Hai commune, Phuoc Thang ward, Long Dien commune, Tan Phuoc ward, Thanh An commune, An Thoi Dong commune, Binh Khanh commune, Phu My ward, Binh Chanh commune, Binh Hung commune, Hiep Phuoc commune, Tan Nhut commune, Nha Be commune, Phu Dinh ward...
According to the Southern Hydrometeorological Station, 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 areas such as Saigon Ward, Gia Dinh Ward, Binh Quoi Ward, An Khanh Ward, Hiep Binh Ward, Thu Duc Ward...
Rainfall is generally from 8-40 m, in some places over 50 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.

The cause of thunderstorms is the tropical convergence zone with an axis through the North Central region connecting with storm No. 11 in the North East Sea. The southwest monsoon in the South has an average intensity. Above, the subtropical high pressure will encroach to the West and be active.