According to the National Center for Hydro-Meteorological Forecasting, in the past 2 hours (from 2:00 p.m. to 4:00 p.m. on September 11), the areas of Son La and Lao Cai provinces have had moderate to heavy rain such as: Tan Lang 53.8mm, Chieng Ban 40mm (Son La); Y Can 52.6mm, Co Phuc 40.8mm (Lao Cai);...
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 4:30 p.m. on September 11), the above provinces will continue to have rain with common rainfall from 10 - 40mm, some places over 70mm.
Warning in the next 6 hours (from 4:30 p.m. on September 11), 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.
The meteorological agency also forecasts that in the evening and night of September 11, in the North and Thanh Hoa, there will be scattered showers and thunderstorms, locally heavy to very heavy rain with rainfall of 15 - 35mm, locally over 100mm.
The Central and Southern highlands will have scattered showers and thunderstorms, locally heavy rain with rainfall of 10 - 30mm, locally over 80mm. Warning of the risk of heavy rain with rainfall greater than 80mm within 3 hours.
