Latest update from the National Center for Hydro-Meteorological Forecasting, at 4:00 a.m. on September 24, the center of super typhoon No. 9 Ragasa was at about 21.3 degrees north latitude; 114.3 degrees east longitude, in the northern sea of the North East Sea, about 650km east of Mong Cai (Quang Ninh).
The strongest wind near the center of the super typhoon is level 15-16 (167-201km/h), gusting over level 17. Moving west-northwest at a speed of about 20km/h.
It is forecasted that in the next 24 hours, the super typhoon will move west-northwest at a speed of 20-25km/h and gradually weaken.
At 4:00 a.m. on September 25, the center of the storm was at about 21.6 degrees north latitude; 109.5 degrees east longitude, on the coast of Guangxi province (China), about 150km east of Mong Cai ( guangning). Intensity level 11, gust level 13.
The danger zone is north of latitude 18.5 degrees north latitude, west of longitude 118 degrees east longitude. The natural disaster risk level is level 4 for the northern sea area of the northern East Sea; level 3 for the northern area of the Gulf of Tonkin and the Northeast.
It is forecasted that in the next 48 hours, the storm will move westward at a speed of 25-30km/h, weakening into a tropical depression, then a low pressure area.
At 4:00 a.m. on September 26, the center was at about 21.3 degrees north latitude; 103.8 degrees east longitude, on the mainland of the Northwest region. Intensity below level 6.
The danger zone is north of latitude 19.5 degrees north latitude, west of longitude 111.5 degrees east longitude. The natural disaster risk level is level 3 for the northwestern sea area of the northern East Sea, the northern Gulf of Tonkin and the northeast.
Regarding the impact of the storm at sea, the sea area north of the northern East Sea will have strong winds of level 10-13, the area near the center of the super typhoon will have winds of level 14-16, gusts above level 17, waves above 10m high, and rough seas.
From noon on September 24, the eastern sea area of the northern Gulf of Tonkin (including the Bach Long Vy special zone) will have winds gradually increasing to level 6 - 7, gusting to level 9.
From the night of September 24, the northern area of the Gulf of Tonkin (including Bach Long Vy, Van Don, Co To, Cat Hai and Hon Dau island) will gradually increase to level 8, with waves 2 - 4m high, near the storm's eye level 9-11, gusts of level 13, waves 3 - 5m high, very rough seas.
Storm surge in coastal areas of Quang Ninh province has storm surge of 0.4-0.6m high. High risk of landslides, sea embankments, destruction of aquaculture areas, boats anchored along the coast due to strong winds, rising sea levels and big waves.
On land, from early morning on September 25, coastal areas from Quang Ninh to Ninh Binh will have winds gradually increasing to level 6-7, near the storm center level 8-9, gusting to level1; deep inland areas in the northeast of the country will have strong winds of level 5, some places level 6, gusting to level 7-8.
Regarding heavy rain, from the night of September 24 to the end of the night of September 26, in the northern region, Thanh Hoa and Nghe An, there will be heavy to very heavy rain with common rainfall of 100-250mm, locally over 400mm. Beware of heavy rain causing urban flooding. Heavy rain is likely to cause flooding in low-lying areas, flash floods on small rivers and streams, and landslides on steep slopes.
Due to the influence of a wide storm circulation, it is necessary to be on guard against the risk of thunderstorms, tornadoes and strong gusts of wind both before and during the storm's landfall.
