On the evening of August 1, through monitoring on satellite cloud images, weather radar images, and lightning positioning, it showed that thunderstorm clouds were developing, causing showers and accompanied by thunderstorms and lightning in the areas of Ca Mau, Soc Trang, and Soc Trang provinces. Hau Giang, Tra Vinh, Vinh Long, Ben Tre, Tien Giang, Kien Giang, An Giang, Long An, Ba Ria - Vung Tau, Ho Chi Minh City, Dong Nai, Binh Duong, Binh Phuoc, Tay Ninh.
In the coming hours, thunderstorm clouds will continue to develop and cause showers with thunderstorms and lightning in the above areas. Then, thunderstorm clouds tend to expand and spread to other neighboring areas.
Common rainfall is from 5-20mm, in some places it is over 25mm. During a thunderstorm, watch out for tornadoes, lightning, hail, and strong winds level 5-8 (8-21m/s).
In the next 24-48 hours, the low trough will have an axis through the Northern region. The southwest monsoon operates with average intensity. At high altitude, the subtropical high pressure has a horizontal axis across the South Central - Southern region. East wind disturbances have moved into the area since August 3.
In the next 72 hours to 10 days, a low pressure trough with an axis through the Northern region will remain. The southwest monsoon operates with average intensity. At high altitude, the subtropical high pressure has a horizontal axis across the South Central - Southern region, then gradually lifts its axis to the North. East wind disturbances move into the area until August 6.
Therefore, the weather in the Southern region this week will reduce rain, widespread from a few places to scattered with common light to moderate rainfall. Particularly on the days from August 3 to 6, there will be scattered showers and thunderstorms with some places having moderate and heavy rain.
