According to the National Center for Hydro-Meteorological Forecasting, at 4:00 p.m. on September 8, the center of storm No. 7 was at about 23.2 degrees north latitude; 111.4 degrees east longitude, on the mainland southwest of Guangdong province (China). The strongest wind near the storm center is level 8 (62-74km/h), gusting to level 10. The storm is moving northwest at a speed of 20-25km/h.
Storm No. 7 weakens into a low pressure area in the next 12 hours
According to Mr. Hoang Phuc Lam - Deputy Director of the National Center for Hydro-Meteorological Forecasting, in the next 12 hours, the storm is forecast to move west-northwest at a speed of 20-25km/h, continuing to gradually weaken into a tropical depression and then a low pressure area.
At 4:00 a.m. on September 9, the center of the low pressure area is forecast to be at about 23.8 degrees north latitude; 109.2 degrees east longitude, in the mainland of Guangxi province (China), with an 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.
Regarding the impact of the storm at sea, according to Mr. Lam, the northwestern sea area of the northern East Sea will have strong winds of level 6 - 7, gusting to level 9; waves 2 - 4m high, rough seas. Ship operating in the above-mentioned dangerous areas are likely to be affected by thunderstorms, whirlwinds, strong winds and large waves.
"Although not directly affected by the storm's circulation, areas on the edge of the storm's 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" - Mr. Lam warned.
The circulation after storm No. 7 causes heavy rain in the North
The National Center for Hydro-Meteorological Forecasting said that today (September 8), in the Northeast region of the North, the area from Gia Lai to Lam Dong and the South will have local showers and thunderstorms.
The circulation after storm No. 7 will cause widespread heavy rain in the North, focusing on the midlands and mountainous areas of the Northeast.
According to Mr. Vu Anh Tuan - Deputy Head of Weather Forecast Department, National Center for Hydro-Meteorological Forecasting, 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.
In addition, in the evening and night of September 8, the Central and Southern highlands will have showers and thunderstorms, locally heavy rain with rainfall of 15-30mm, locally over 80mm. Warning of the risk of heavy rain with rainfall greater than 60mm within 3 hours.
