According to the National Center for Hydro-Meteorological Forecasting, in the past 2 hours (from 1:00 p.m. to 3:00 p.m. on September 20), Quang Tri province, Hue city and Da Nang city have had moderate rain, some places have had heavy rain with measured rainfall in some observed locations such as Thac Chuoi Phai Lake 60.6mm; Hiep Hiep 50mm (Quang Tri); Binh Dien 41mm; Hoa My Lake 36mm (Hue city); La De 96.8mm; Tra Van 46.8mm (Da Nang city);...
Soil moisture models show that some areas in the above provinces are nearly saturated (over 85%) or have reached a saturated state.
Warning in the next 3 - 6 hours (from 15:30 on September 20), Quang Tri province, Hue city and Da Nang city will continue to have rain with common accumulated rainfall from 30 - 50mm, some places over 70mm, especially in the southern area of Da Nang city, there will be rainfall from 40 - 60mm, some places over 90mm.
Warning in the next 6 hours (from 15:30 on September 20), there is a risk of flash floods on small rivers and streams, landslides on steep slopes in many communes/wards.

The meteorological agency warns that the risk of natural disasters due to flash floods, landslides, and land subsidence due to heavy rain or water flow is level 1.
Flash floods and landslides can have serious impacts on the environment, threaten people's lives; cause local traffic congestion, affect the movement of vehicles; civil works and economic infrastructure, causing damage to production activities and social life.
The meteorological agency recommends that localities proactively review flow bottlenecks and vulnerable areas to take timely preventive and response measures to the above risks.