The average rainfall is estimated to reach 40 to 70mm.
In the provinces and cities of Quang Ninh, Hai Phong, Thai Binh, Phu Tho, Yen Bai, Lai Chau, Thanh Hoa and Quang Ngai, rainfall can reach 70 to 150mm, even 200mm in some areas.
Floods are forecasted in Lo, Thao and Cau rivers with water level from 1 to 2m. Landslides are expected in Northern mountainous region such as Quang Ninh, Lang Son, Cao Bang, Ha Giang provinces. Reservoir lakes in the area will be watched closely for necessary adjustments.