Updated bulletin issued at 2:30 PM on May 17 from the National Center for Hydro-Meteorological Forecasting, in the past 12 hours (from 2:00 AM to 2:00 PM on May 17), Quang Ninh province had heavy rain, with very heavy rain in some places such as Vu Oai 265.8 mm, Than Hon Gai 254 mm, Phinh Ho 222.2 mm,...
In the past 6 hours (from 8 am to 2 pm on May 17), Hai Phong city area had heavy to very heavy rain such as Phu Lien 145.7 mm, Thuy Nguyen 139.4 mm,...
The soil moisture model shows that some areas in the above provinces/cities have been near saturation (over 85%) or reached saturation status.
Warning in the next 3-6 hours, the above provinces/cities will continue to have rain with accumulated rainfall commonly in Quang Ninh rain from 30 - 70mm, in some places over 130mm; Hai Phong rain from 20 - 50mm, in some places over 90mm.
Warning in the next 6 hours, there is a 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, threatening people's lives; causing local traffic congestion, affecting the movement of vehicles; destroying 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.