The Central Hydrometeorological Station said that in Da Nang, there will be rain, moderate rain, heavy rain, and some places will have very heavy rain. The total rainfall yesterday afternoon - November 18 to 1:00 p.m. on November 19 was generally 25-50mm. In Ba Na area, it is 136.8mm, in the south, it is common to have 60 - 120mm, in some places it is higher such as Tra Don 214mm, Xuan Binh 319.8mm. From this evening, November 19 to the end of November 20, in the northern communes and wards, there will be rain, moderate rain, some places with heavy rain to very heavy rain and thunderstorms, with common rainfall of 30 - 70mm, some places over 100mm; the southern communes and wards will have moderate rain, heavy rain, some places with very heavy rain and thunderstorms with common rainfall of 60-120mm, some places over 180mm.
The very heavy rain in the past few hours has caused the soil moisture in the southwestern area of Da Nang to be completely saturated, the risk of flash floods and landslides continues to increase.
The risk of flash floods on small rivers and streams in mountainous areas, landslides on steep slopes and land subsidence in many communes and wards is assessed at level 2 natural disaster risk level.
At the same time, hydroelectric reservoirs on the Vu Gia - Thu Bon river system continue to release floodwaters with a large flow. At A Vuong Lake, the amount of water entering the lake is about 248.69 m3/s, of which the machine runs 79 m3/s and discharges 194.09 m3/s through the spillway. Dak Mi 4 Lake recorded water levels of 781.98 m3/s, discharging through the spillway 647.06 m3/s. Bung 4 Lake has a flow rate of 522 m3/s, overflow rate of 540 m3/s.
In Thu Bon basin, Song Tranh 2 lake has a water level of 1,722.31 m3/s, overflowing 1,570.51 m3/s. The flow from these lakes is forecast to continue to remain high as the rain continues.
According to recorded data, the water level of Vu Gia and Thu Bon rivers is likely to increase rapidly, causing flooding in low-lying areas. Local authorities recommend that people limit travel through flooded and overflowing areas, closely monitor warnings to proactively respond.