According to data from the National Center for Hydro-Meteorological Forecasting, last night and this morning (November 26), the area from Ha Tinh to Quang Ngai had rain, moderate rain, and locally heavy rain.
Rainfall from 7pm on November 25 to 8am on November 26 was locally over 100mm in some places such as: Ky Son (Ha Tinh) 128mm, Dong Tam (Quang Binh) 131.8mm, Bach Ma (Thua Thien Hue) 175.2mm...
The area from Ha Tinh to Da Nang from November 26 to the night of November 27 is forecast to have moderate rain, heavy rain, locally very heavy rain and thunderstorms with common rainfall from 100 - 200mm, locally over 300mm; Thua Thien Hue in particular from 150 - 250mm, locally over 500mm.
Quang Nam and Quang Ngai areas from November 26 to the night of November 27 are forecast to have moderate rain, heavy rain, and locally very heavy rain with rainfall from 70 - 150mm, locally over 300mm.
Binh Dinh and Phu Yen from the night of November 26 to the night of November 27, are forecast to have moderate to heavy rain, locally very heavy rain with rainfall from 50 - 100mm, locally over 150mm.
The area from Quang Tri to Phu Yen on the day and night of November 28 is forecast to have moderate rain, heavy rain, and locally very heavy rain with common rainfall from 30 - 70mm, locally over 100mm.
The warning level for natural disaster risk due to heavy rain is level 1; Thua Thien Hue is level 2.
Heavy rain can cause flooding in low-lying areas; flash floods in small rivers and streams, and landslides on steep slopes.