According to the National Center for Hydro-Meteorological Forecasting, last night and this morning (May 22), Thanh Hoa, Nghe An, Central Highlands and the South had scattered showers and thunderstorms, with some places having heavy rain.
Rainfall from 7pm on May 21 to 8am on May 22 was over 70mm in some places such as: Dak R'Lap (Dak Nong) 143.4mm, Bu Dop (Binh Phuoc) 81.4mm, Long Thanh (Dong Nai) 76.4mm, Vam Rang (Kien Giang) 70.8mm ...
The Northern region from the night of May 22 to the night of May 23 is forecast to have moderate rain, heavy rain and thunderstorms, locally very heavy rain with common rainfall of 60 - 120mm, locally over 180mm.
Heavy rain in the Northern region is likely to last until around May 24 with common rainfall from 15 - 30mm, some places over 70mm; from the night of May 24, heavy rain in the Northern region tends to decrease gradually.
In the North Central region in the evening and night of May 23, there is a forecast of moderate rain, heavy rain and thunderstorms, locally very heavy rain with common rainfall of 20 - 50mm, locally over 80mm.
Day and night on May 24, the North Central region will have moderate rain, heavy rain, locally very heavy rain with common rainfall from 20 - 50mm, some places over 80mm.
The meteorological agency warns of the risk of local heavy rain (rainfall greater than 100mm within 3 hours) during this rain.
In the Ninh Thuan - Binh Thuan, Central Highlands and Southern regions in the evening and night of May 22, it is forecasted to have rain, moderate rain and scattered thunderstorms, locally heavy rain with rainfall from 20 - 40mm, locally over 70mm.
The National Center for Hydro-Meteorological Forecasting warns that thunderstorms may cause tornadoes, lightning, hail and strong gusts of wind. The risk level of natural disasters due to heavy rain is level 1.
Heavy rain is likely to cause flooding in low-lying areas, urban and industrial areas; flash floods on small rivers and streams, landslides on steep slopes.
