During the thunderstorms, there will be a possibility of tornadoes, lightning, hail and strong winds.
It is forecast that, due to the influence of the tropical convergence band connected with the tropical depression, it is likely to strengthen into a storm in the next 12 hours. It will move to the west-northwest and make landfall in provinces from Thua Thien Hue to Binh Dinh in the next 24-48 hours.
In the area from Ha Tinh to Binh Dinh, from September 23 to 24, there will be heavy to very heavy showers and thunderstorms with average rainfall of 150-250mm, with even more than 300mm in some areas. Kon Tum Province and Gia Lai Province will see heavy to very heavily rain, with a common rainfall of 100-200mm, and even over 250mm in some places.
From September 24 to 25, in Thanh Hoa Province and Nghe An Province, there will be moderate rain to heavy rain with a common rainfall of 50-100mm, with more than 150mm in some places.
In addition, due to the influence of a subtropical high-pressure zone encroaching to the west, from September 23 to 26, the northern midland and delta regions will see scattered showers and thunderstorms, with moderate to heavy localised rain.
Hanoi, from September 23 to 26, will face showers and thunderstorms, moderate to heavy rain locally.
In the Southern Central Highlands and Southern regions, from now to September 24, showers and thunderstorms will continue with heavy to very heavy rain in places at a rate of 40-70mm/24 hours, with more than 100mm/24 hour in some places.
High risks of flash floods and landslides are warned in mountainous areas; meanwhile, low-lying and riverside areas are warned of localised flooding.
