Updated bulletin issued at 1:30 PM on July 12 from the National Center for Hydro-Meteorological Forecasting, in the past 24 hours (from 1:00 PM on July 11 to 1:00 PM on July 12), the area of Lai Chau, Dien Bien, Son La and Lao Cai provinces had moderate to heavy rain, with very heavy rain in some places such as Pa Thang 86.6mm (Lai Chau) observation station; Si Pa Phin 112.4mm (Dien Bien); Muong Bang 1 119.2mm (Son La); Nam Xay 2 118mm (Lao Cai);...
The soil moisture model shows that some areas in the above provinces have been near saturation (over 85%) or reached saturation status.
Warning that in the next 3-6 hours, the above provinces will continue to have rain with accumulated rainfall commonly from 5 - 20mm, in some places over 40mm.
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, 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.
Previously, the meteorological agency had forecast rain developments in some areas in the afternoon and night of July 12.
The Northwest region and Phu Tho, from Thanh Hoa to Hue city will have scattered showers and thunderstorms with rainfall of 10 - 30mm, locally heavy rain over 80mm.
The Central Highlands and Southern regions have showers and scattered thunderstorms with rainfall of 15 - 30mm, locally heavy to very heavy rain over 100mm.
In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind. Warning level of natural disaster risk due to tornadoes, lightning, hail is level 1.
Rainstorms accompanied by tornadoes, lightning, hail and strong gusts of wind can affect agricultural production, causing trees to fall, damage to houses, traffic works, and infrastructure. Localized heavy rains are likely to cause flash floods on small rivers and streams, landslides on slopes, and flooding in low-lying areas.
