According to the National Center for Hydro-Meteorological Forecasting, at 10:00 a.m. on October 21, the center of the storm was at about 17.8 degrees north latitude - 112.4 degrees east longitude, about 125 km north of Hoang Sa Special Zone. The strongest wind near the storm center is level 9 - 10 (75-102 km/h), gusting to level 12. The storm is moving southwest at a speed of 10 - 15 km/h.
It is forecasted that in the next 24 hours, the storm will move southwest at a speed of 10-15 km/h and tend to weaken gradually. At 10:00 on October 22, the center of the storm was at about 16.6 degrees north latitude - 109.9 degrees east longitude, in the sea west of Hoang Sa special zone, about 190 km east-northeast of Da Nang. Strong wind level 8, gust level 10.
The dangerous area in the East Sea is from 15.0-19.0 degrees north latitude - 108.5-113.5 degrees east longitude. The natural disaster risk level is level 3 for the western sea area of the northern East Sea (including the Hoang Sa special zone), the sea area from southern Quang Tri to Quang Ngai.
Storm No. 12 will enter the area from Da Nang to Quang Ngai around October 23 and weaken.
It is forecasted that in the next 48 hours, the storm will move southwest at a speed of 10-15 km/h, entering the Southern Laos area and is likely to gradually weaken into a tropical depression, then a low pressure area.
At 10:00 on October 23, the center of the low pressure area was at about 15.4 degrees north latitude - 107.5 degrees east longitude, in the Southern Laos area. Wind power below level 6. The danger zone is from 14.5-18.0 degrees north latitude, west of 111.0 degrees east longitude.
Level 3 natural disaster risk for the western sea area of the northern East Sea (including Hoang Sa special zone), the sea area from southern Quang Tri to Quang Ngai (including Ly Son special zone and Cu Lao Cham island).
It is forecasted that in the next 72 hours, the low pressure area will move southwest at a speed of about 10 km/h, moving deep into the Southern Laos area and gradually weakening.
Regarding the impact of the storm at sea, the sea area west of the northern East Sea (including Hoang Sa special zone) will have strong winds of level 7-8, the area near the storm's center will have strong winds of level 9-10, gusts of level 12; waves 3-5 m high, the area near the storm's center will be 5-7 m high, the sea will be very rough. The sea area from southern Quang Tri to Quang Ngai (including Ly Son special area and Cu Lao Cham island) will have strong winds of level 6, from the morning of October 22 increasing to level 7, the area near the storm's eye will have strong winds of level 8, gusts of level 10; waves 3-5 m high, rough seas.
All ships operating in the above dangerous areas are likely to be affected by thunderstorms, whirlwinds, strong winds and large waves.
On land, due to the influence of storm circulation and cold air combined with winter wind disturbances and terrain effects, from the night of October 22 to October 27, the area from Ha Tinh to Quang Ngai is highly likely to experience widespread heavy rain. The total rainfall is generally in Ha Tinh to northern Quang Tri and Quang Ngai about 200-400 mm, locally over 500 mm; the southern Quang Tri to Da Nang area is generally 500-700 mm, locally over 900 mm. Warning of heavy rain with rainfall greater than 200 mm/3 hours.
Heavy rain in the Central region is likely to last until the end of October 2025. There is a high risk of flash floods and landslides in mountainous areas, flooding in low-lying areas and urban areas.
Localities need to pay attention to safe operation of hydroelectric reservoirs and irrigation before, during and after the storm; prepare response plans for flood scenarios on rivers from Quang Tri to Quang Ngai that may reach alert level 3 and exceed alert level 3. The forecast level of natural disaster risk due to floods and inundation is level 3.