According to the National Center for Hydro-Meteorological Forecasting, in the past 2 hours (from 6:00 a.m. to 8:00 a.m. on July 11), the areas of Son La and Lao Cai provinces have had moderate to heavy rain such as: Nam Ty 40.2mm, Chieng Dong 31.4mm (Son La); Ban Ho 33.6mm (Lao Cai);...
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 8:30 a.m. on July 11), the above provinces will continue to have rain with accumulated rainfall ranging from 20 - 50mm, some places over 80mm.
In the next 6 hours, there is a risk of flash floods on small rivers and streams, landslides on steep slopes in the above provinces, especially in communes/wards:
Son La province: Chieng Hac; Chieng Sai, Doan Ket, Kim Bon, Muong Bang, Muong Coi, Muong Lan, Phu Yen, Pung Banh, Song Khua, Song Ma, Sop Cop, Suoi To, Tan Phong, Tan Yen, To Mua.
Lao Cai Province: Ban Ho, Chan Thinh, Lung Phinh, Muong Hum, Nghia Tam, Au Lau Ward, Van Phu Ward, Yen Bai Ward, Pha Long, Si Ma Cai, Sin Che, Ta Van, Thuong Bang La, Viet Hong.
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.