Updated bulletin issued at 10:20 am on August 21 from the National Center for Hydro-Meteorological Forecasting, in the past 24 hours (from 10:00 am on August 20 to 10:00 am on August 21), the area of provinces from Thanh Hoa to Ha Tinh had moderate rain, heavy rain to very heavy rain such as Thieu Quang observation station 130.6mm (Thanh Hoa); Nong Truong 15 is 90.6mm (Nghe An); Cu Lay Lake 238mm, Dau Lieu 224mm (Ha Tinh);...
In the past 18 hours (from 4 pm on August 20 to 10 am on August 21), the area of Phu Tho and Quang Ninh provinces had moderate to heavy rain such as Ban Hang Doi monitoring station 163mm (Phu Tho); Ban Sen 139.9mm (Quang Ninh);...
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, Quang Ninh, Thanh Hoa being from 30 - 50mm, in some places over 90mm; in Nghe An 20 - 40mm, in some places over 60mm; in Ha Tinh from 10 - 20mm, in some places over 30mm.
Risk of flash floods on small rivers and streams, 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.
