According to the Southern Hydrometeorological Station, the tropical convergence zone continues to move north and gradually weaken.
Around September 12 to 13, a low pressure trough with an axis across the Southern region will be established with weak wind disturbances in the upper atmosphere, so it is necessary to be on guard against thunderstorms accompanied by dangerous weather phenomena such as tornadoes, lightning and strong gusts of wind. Some areas will have high total rainfall such as Cho Lon 120mm, Thu Duc 125mm, Con Dao 110mm, Bac Tan Uyen 105mm...

Also according to the Southern Hydrometeorological Station, in the past 24 hours, the water level at most stations in the downstream of the Saigon - Dong Nai river system rose rapidly and at a high level. At 7:00 a.m. on September 9, the highest tide peak of the day measured at some stations was as follows: Nha Be station (Dong Dien canal), water level 1.43m, approximately alarm level 1; Phu An station (Saigon river), water level 1.42m, approximately alarm level 1; Thu Dau Mot station (Saigon river), water level 1.49m, above alarm level 2.
The highest tide peak in this period is likely to appear on September 9-11 (July 18-20 lunar calendar). The peak tide time is from 5-7am and 5-7pm. It is necessary to be on guard against heavy rain combined with high tides causing flooding in low-lying areas, low-lying areas, along rivers, affecting traffic and socio-economic activities in the Ho Chi Minh City area.
Source: https://www.sggp.org.vn/tphcm-co-mua-lon-ket-hop-trieu-cuong-cao-post812273.html
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