According to data from the National Center for Hydro-Meteorological Forecasting, last night and this morning (September 17), the Central Highlands and the South had moderate rain, heavy rain and thunderstorms, locally very heavy rain; in the Central Central and South Central regions, there were showers and thunderstorms, locally very heavy rain.
Rainfall from 7pm on September 16 to 8am on September 17 was over 60mm in some places such as: La Da (Binh Thuan) 62.9mm, Dak Ru (Dak Nong) 110.8mm, Loc Phu (Lam Dong) 82.2mm, Cua Can (Kien Giang) 154.2mm, Mai Dam (Hau Giang) 82.2mm, Xuan Hoa (Soc Trang) 71.4mm...
In the Northern region, during the day and night of September 17, there is forecast to be scattered showers and thunderstorms, locally heavy rain with rainfall from 10 - 30mm, locally over 50mm. Rain will be concentrated in the late afternoon and at night.
In the Central region, during the day and night of September 17, there is forecast to be scattered showers and thunderstorms, locally heavy to very heavy rain with rainfall from 15-30mm, locally over 80mm.
From the evening of September 18 to September 21, the North Central and South Central regions are likely to experience widespread heavy rain with average rainfall of 100 - 300mm, with some places over 500mm.
The Central Highlands and the South from the morning of September 17 to the morning of September 19, are forecast to have moderate rain, heavy rain and thunderstorms, locally very heavy rain with common rainfall of 40 - 80mm, locally over 150mm. Rain will be concentrated in the afternoon and at night.
During the day and night of September 19, the Central Highlands and the South continued to have moderate to heavy rain and scattered thunderstorms, with some places experiencing very heavy rain with common rainfall of 20-40mm, and some places experiencing over 90mm. From September 20, heavy rain in the Central Highlands and the South tended to decrease gradually.
During thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind. The warning level of natural disaster risk due to heavy rain, tornadoes and lightning is level 1.
Localized heavy rains can cause flooding in low-lying areas; flash floods in small rivers and streams, and landslides on steep slopes.
