According to the National Center for Hydro-Meteorological Forecasting, tonight (September 8), after moving deep into the mainland in the southwest of Guangdong province (China), storm No. 7 has weakened into a tropical depression.
At 7:00 p.m. on September 8, the center of the tropical depression was at about 23.3 degrees north latitude; 111 degrees east longitude, on the mainland southwest of Guangdong province (China). The strongest wind near the center of the tropical depression is level 7 (50-61km/h), gusting to level 9. The tropical depression is moving northwest at a speed of 15-20km/h.
It is forecasted that in the next 12 hours, the tropical depression will move west-northwest at a speed of about 20km/h, continuing to gradually weaken into a low pressure area.
At 7:00 a.m. on September 9, the center of the low pressure area is forecast to be at about 23.9 degrees north latitude; 108.8 degrees east longitude, in the mainland of Guangxi province (China). Intensity below level 6.
The dangerous area in the next 12 hours will be north of latitude 20.5 degrees north latitude and from 110.5 - 113.5 degrees east longitude. Natural disaster risk level 3, affecting the northwestern sea area of the northern East Sea.
Forecast of the impact of the tropical depression at sea, the northwestern sea area of the northern East Sea will have strong winds of level 6, gusts of level 8; waves 2 - 3.5m high, rough seas. Ship operating in the above-mentioned dangerous areas are likely to be affected by thunderstorms, whirlwinds, strong winds and large waves.
The meteorological agency noted that although not directly affected by the tropical depression circulation, areas on the far edge of the tropical depression circulation such as the Gulf of Tonkin, the Northern region and the eastern coastal areas of the North may experience thunderstorms, whirlwinds and strong gusts of wind.
From the afternoon of September 9 to the end of September 10, the mountainous and midland areas of the North will have moderate rain, heavy rain and scattered thunderstorms, locally very heavy rain with common rainfall of 50-120mm, locally over 250mm. Warning of the risk of heavy rain with rainfall greater than 100mm within 3 hours.
On the night of September 10, the mountainous and midland areas of the North will have moderate rain, heavy rain and scattered thunderstorms, locally very heavy rain with common rainfall of 20 - 40mm, locally over 100mm.
Total rainfall from the afternoon of September 9 to the end of the night of September 10, in the mountainous and midland areas of the North, is generally 70 - 150mm, locally over 300mm.
During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind. The meteorological agency warns that the risk of natural disasters due to heavy rain, tornadoes, lightning, and hail is level 1.
Heavy rain is likely to cause flooding in low-lying areas, urban and industrial areas; flash floods on small rivers and streams, landslides on steep slopes.
Real-time warning information for areas at risk of flash floods and landslides is provided online on the website of the Department of Hydrometeorology at: https://luquetsatlo.nchmf.gov.vn and in separate bulletins warning of flash floods and landslides.