According to the National Center for Hydro-Meteorological Forecasting, in the afternoon and evening of May 20, the Central Highlands and the South will have scattered showers and thunderstorms, with some places having heavy to very heavy rain. Rainfall from 1pm to 10pm on May 20 was over 70mm in some places such as: Cam My (Dong Nai) 95.4mm, Cai Be (Tien Giang) 76.6mm, Cang Long (Tra Vinh) 71.8mm,...
In the Central Highlands and the South in the afternoon and evening of May 21, it is forecasted to have rain, moderate rain and scattered thunderstorms, locally heavy rain with rainfall from 20 - 40mm, some places over 70mm.
In the Northern region in the evening and night of May 21, it is forecasted to have scattered showers and thunderstorms. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
From the night of May 22 to May 24, the Northern region is likely to experience a period of moderate rain, heavy rain and thunderstorms, locally very heavy rain with total rainfall of 70 - 150mm, some places over 250mm.
In the North Central region, from the evening and night of May 23 to the night of May 24, there is a possibility of moderate rain, heavy rain and thunderstorms, locally very heavy rain with total rainfall of 40 - 100mm, some places over 150mm.
The meteorological agency warns of the risk of heavy rain (rainfall greater than 80mm within 3 hours).
During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind. The warning level of natural disaster risk due to heavy rain, tornadoes, lightning, and hail is level 1.
Heavy rain is likely to cause flooding in low-lying areas, urban areas, industrial parks; flash floods on small rivers and streams, landslides on steep slopes.
