From the night of October 4th, the weather in the Northeast region and Thanh Hoa will turn cold, with some high mountainous areas experiencing freezing temperatures. The lowest temperatures during this cold spell in the Northern region and Thanh Hoa will generally range from 19-22 degrees Celsius, and 14-17 degrees Celsius in high mountainous areas. Also from the night of October 4th, the cold air mass will affect Hanoi .
Due to the influence of a cold front, from October 4th to the morning of October 5th, Northern Vietnam will experience rain, moderate rain, and thunderstorms, with some areas experiencing heavy to very heavy rain. From the night of October 4th to October 6th, the area from Thanh Hoa to Hue City will have moderate rain and thunderstorms, with some areas experiencing heavy to very heavy rain. During thunderstorms, there is a high possibility of tornadoes, lightning, hail, and strong gusts of wind.
Thunderstorms accompanied by tornadoes, lightning, hail, and strong winds affect agricultural production, causing trees to fall, damaging houses, transportation infrastructure, and other facilities. Localized heavy rainfall may cause flash floods on small rivers and streams, landslides on slopes, and flooding in low-lying areas.
At sea, from around dawn and morning of October 5th, the Gulf of Tonkin will experience strong northeasterly winds, reaching force 6, sometimes force 7, with gusts of force 8-9, waves 2-3 meters high, and rough seas. From October 5th, the northern part of the North East Sea will experience strong northeasterly winds of force 6-7, with gusts of force 8-9, waves 2-4 meters high; rough seas. From October 6th, the strong wind area will expand to the North East Sea (including the Hoang Sa Special Economic Zone).
Strong winds and gusts, along with large waves at sea, can affect the operation of ships and other activities.
A cold front is currently moving south. In the North, there will be scattered showers and thunderstorms in some areas.
Source: https://baotintuc.vn/khoang-chieu-toi-va-dem-410-khong-khi-lanh-anh-huong-toi-bac-bo-post1391192.html
