According to the National Center for Hydro-Meteorological Forecasting, this morning, September 11, cold air has weakly affected the area from Thanh Hoa to Ha Tinh and most places in the Northwest region. The Northern region and provinces from Thanh Hoa to Ha Tinh have rain, showers and scattered thunderstorms, locally heavy rain; common temperature 21-24 degrees; Bach Long Vi station has strong Northeast wind level 6, gusting level 7.
Today, cold air will continue to weakly affect other places in the Northwest region and some places in the area from Quang Tri to Hue City. Northeast wind inland level 2-3, coastal area level 3.
The lowest temperature in this cold air wave in the Northern region and from Thanh Hoa to Ha Tinh is commonly from 21-24 degrees C, in the high mountainous areas of the Northern region, there are places below 19 degrees C. The average temperature is about 25-27 degrees C, in the mountainous areas, there are places below 24 degrees C.
Regarding the development of rain due to cold air, on September 11, Thanh Hoa and Nghe An areas will have scattered showers and thunderstorms, with locally heavy rain.
On the day and night of September 11, the area from Ha Tinh to Da Nang City and the East of Quang Ngai province will have moderate rain, heavy rain and scattered thunderstorms, with locally very heavy rain. During thunderstorms, there is a high possibility of tornadoes, lightning, hail and strong gusts of wind.
Rainstorms accompanied by tornadoes, lightning, hail and strong gusts of wind affect agricultural production, causing trees to fall, houses, traffic works, and infrastructure to be damaged. Heavy rain and localized heavy rain are likely to cause flash floods on small rivers and streams, landslides on slopes, and flooding in low-lying areas.
Strong winds and gusts, large waves at sea are likely to affect the operation of ships and other activities.
At sea, in the Gulf of Tonkin and the northern sea area of the Northern East Sea, there is strong Northeast wind at level 6, gusting at level 7-8; sea waves 2-3m high; rough seas.
