According to the National Center for Hydro-Meteorological Forecasting, as of 4:00 p.m. this afternoon, June 26, the water level on the main rivers in the Red River - Thai Binh system is changing slowly and is below alert level (BD)1.
From tonight, June 26 to June 29, on the Thao, Lo, Cau, Thuong and Luc Nam rivers, small rivers in the Northern region are likely to experience a flood, with a flood amplitude of 2 - 5m on the rivers. During this flood, flood peaks on small rivers, upstream of Thao and Lo rivers are likely to rise to level BD1 - BD2, some places above level 2, downstream of Thao River rise to level BD1, downstream of Lo River is still below level BD1. There is a high risk of flooding in low-lying areas along rivers, flash floods and landslides on steep slopes in the mountainous areas of the North.
The warning level of natural disaster risk due to floods is level 1.
Floods on rivers and streams can cause flooding in low-lying areas along rivers, affecting activities such as waterway transportation, aquaculture, agricultural production, people's livelihood and socio-economic activities.
Also according to the meteorological agency, from 12:00 to 14:00 on June 26, Lai Chau, Son La and Hoa Binh provinces had moderate rain, some places had heavy rain such as: Ban Chat 48.8mm (Lai Chau); Tan Lap 52.6mm (Son La); Cao Duong 32.8mm (Hoa Binh),...
Soil moisture models show that some areas in the above provinces are nearly saturated (over 85%) or have reached a saturated state.
In the next 3 - 6 hours (from 2:30 p.m. on June 26), the above provinces will continue to have rain with common accumulated rainfall as follows: Lai Chau from 10-25mm, some places over 50mm; Son La and Hoa Binh from 20-40mm, some places over 80mm.
In the next 6 hours (from 2:30 p.m. on June 26), there is a risk of flash floods on small rivers and streams, landslides on steep slopes in the above provinces, especially in the districts: Muong Te, Than Uyen in Lai Chau; TX. Moc Chau, Van Ho in Son La; Kim Boi, Lac Son, Luong Son, Mai Chau, Yen Thuy in Hoa Binh.
The warning level of natural disaster risk due to flash floods, landslides, and land subsidence due to heavy rain or water flow is level 1.
Flash floods and landslides can have a very negative impact 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 local authorities pay attention to reviewing bottlenecks and vulnerable locations in the area to take preventive and response measures.