Updated bulletin issued at 9:30 am on August 20 from the National Center for Hydro-Meteorological Forecasting, in the past 24 hours (from 9:00 am on August 19 to 9:00 am on August 20), the area of Son La, Lao Cai, Phu Tho provinces and from Thanh Hoa to Quang Tri has had moderate rain, heavy rain to very heavy rain such as Km22 61mm monitoring station (Son La); Cu Thang 2 100.2mm (Phu Tho); Ban Lau 72.2mm (Lao Cai); Xuan Quy 1 120mm (Thanh Hoa); Khe La 227.6mm (Nghe An); Dau Lieu 343.2mm (Ha Tinh); Huong Viet 111.2mm (Quang Tri);...
The soil moisture model shows that some areas in the above provinces have been near saturation (over 85%) or reached saturation status.
Warning in the next 6 hours, the above provinces will continue to have rain with accumulated rainfall commonly in Phu Tho, Lao Cai, Son La, Thanh Hoa from 10 - 20mm in some places 40mm; Nghe An from 20 - 30mm in some places over 50mm; Ha Tinh from 50 - 60mm in some places over 90m; Quang Tri from 30 - 40mm in some places over 60mm.
In the next 6 hours, there is a risk of flash floods on small rivers and streams, and landslides on slopes in many communes/wards.

Warning level of natural disaster risk due to flash floods, landslides, subsidence due to rain, floods or currents is level 1.
Flash floods and landslides can have very negative impacts on the environment, causing local traffic congestion, affecting the movement of vehicles; civil and economic works causing damage to production activities and socio-economic activities.
The meteorological agency recommends that functional agencies in localities pay attention to reviewing flow bottlenecks and key locations in the area to have preventive and response measures.
