At noon on September 20, many areas in Ho Chi Minh City experienced early thunderstorms, accompanied by thunder. Rain appeared earlier than in previous days, occurred on a large scale and is likely to continue to increase in the coming hours.
According to the Southern Hydrometeorological Station, according to satellite cloud images, weather radar and lightning positioning, convective cloud areas are developing, causing rain with thunderstorms and lightning in many wards and communes in Ho Chi Minh City and surrounding areas.
Areas with thunderstorms include Tan Thoi Hiep, Thoi An, An Phu Dong, Go Vap, An Hoi Dong, Thong Tay Hoi, An Hoi Tay, Tan Son Hoa, Tan Son, Tam Binh, Di An, An Phu, Binh Hoa, Lai Thieu, Can Gio, Cu Chi, Tan An Hoi, Phu Hoa Dong, Binh My, Dong Thanh, Hoc Mon, Xuan Thoi Son, Ba Diem, Thanh An, Dau Tieng and Minh Thanh.
In the next 3 hours, convective clouds will continue to develop, causing showers, thunderstorms and lightning in the above areas, then it is likely to expand to neighboring areas such as Ben Thanh, Tan My, Dong Hung Thuan, Cat Lai, Phuoc Long, Long Binh...
The intertropical convergence zone has its axis through the South Central Coast and the South, combined with the southwest monsoon in the South with weak to moderate intensity and strong wind convergence, creating conditions for widespread thunderstorms.
Common rainfall is 10-40mm, in some places over 50mm.
During thunderstorms, people need to be wary of tornadoes, lightning, hail and strong gusts of wind at level 5-7 (8-17m/s). Heavy rain in a short time can also cause localized flooding in some areas.
