According to the National Center for Hydro-Meteorological Forecasting, at 1:00 a.m. on September 24, the center of super typhoon Ragasa (typhoon No. 9) was located at about 21.2 degrees north latitude; 114.9 degrees east longitude, in the northeastern sea of the North East Sea, about 750km east of Mong Cai ( Quang Ninh ). The strongest wind near the center of the storm was level 15 - 16 (167 - 201 km/h), gusting above level 17. Typhoon No. 9 moved in the West Northwest direction, at a speed of about 20km/h.
It is forecasted that in the next 24 hours, storm No. 9 will continue to move in the West Northwest direction, at a speed of 20 - 25 km/h and gradually weaken. At 1:00 a.m. on September 25, storm No. 9 was at about 21.6 degrees north latitude; 110.2 degrees east longitude; in the area north of Leizhou peninsula (China); about 240 km east of Mong Cai (Quang Ninh). The strongest wind in the area near the storm's center is level 11 - 12, gusting to level 15. The affected area is north of latitude 18.5 degrees north; east of longitude 108.5 - 118.5 degrees east.
Due to the influence of the storm, the northern sea area of the North East Sea has strong winds of level 10 - 13, the area near the center of the super storm has levels 14 - 16, gusts over level 17, waves over 10m high, and rough seas. From September 24, the eastern sea area of the Northern Gulf of Tonkin (including Bach Long Vy special zone) has winds gradually increasing to level 6 - 7, gusts to level 9.
From the night of September 24, the northern area of Bac Bo Gulf (including Bach Long Vy, Van Don, Co To, Cat Hai and Hon Dau islands) will experience winds gradually increasing to level 8, waves 2-4m high, near the storm center will experience winds of level 9-10, gusts of level 12, waves 3-5m high; very rough seas.
Coastal areas of Quang Ninh - Hai Phong have storm surges of 0.4 - 0.6 m. High risk of landslides, sea dykes, destruction of aquaculture areas, ships and boats anchored along the coast due to strong winds, rising sea levels and big waves.
From early morning on September 25, the coastal area of Quang Ninh - Ninh Binh gradually increased to level 6 - 7, near the storm center level 8 - 9, gusting to level 11; deep inland in the Northeast, the wind was strong at level 5, in some places level 6, gusting to level 7 - 8.
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 can cause flooding in low-lying areas; flash floods on small rivers and streams, landslides on steep slopes. During and before the storm makes landfall, beware of the risk of thunderstorms, tornadoes, and strong gusts of wind.
At 10:00 p.m. on September 23, the center of the storm was at about 21.0 degrees north latitude; 115.5 degrees east longitude, about 550km east of Leizhou Peninsula (China). Strongest wind: Level 15 - 16 (167 - 201km/h), gusting above level 17. Forecast in the next 3 hours, the storm will move in the West Northwest direction, speed of about 20km/h.

At 7:00 p.m. on September 23 , the center of the super typhoon was at about 20.8 degrees north latitude; 116.1 degrees east longitude, in the northeastern sea of the North East Sea. The strongest wind near the center of the super typhoon was level 15 - 16 (167-201 km/h), gusting to level 17. Moving in the West Northwest direction, at a speed of about 20 km/h.
Due to the influence of the super typhoon, the northern sea area of the North East Sea has strong winds of level 10-13, the area near the center of the super typhoon has winds of level 14-16, gusts above level 17, waves over 10m high, and very rough seas.
From September 24, the eastern sea area of the Northern Gulf of Tonkin (including Bach Long Vi special zone) will have winds gradually increasing to level 6 - 7, gusting to level 9. From the evening and night of September 24, the northern Gulf of Tonkin (including Bach Long Vi special zone, Van Don, Co To, Cat Hai and Hon Dau island) will have winds gradually increasing to level 8, waves 2.0 - 4.0m high, the area near the storm center will have winds of level 9 - 10, gusting to level 12, waves 3.0 - 5.0m high; very rough seas.
Coastal areas of Quang Ninh - Hai Phong have storm surges of 0.4 - 0.6m. High risk of landslides, sea dykes, destruction of aquaculture areas, ships and boats anchored along the coast due to strong winds, rising sea levels and big waves.
On land, from early morning on September 25, the wind along the coast of Quang Ninh-Ninh Binh gradually increased to level 6-7, near the storm center level 8-9, gusting to level 11; deep inland in the Northeast, the wind was strong at level 5, in some places level 6, gusting to level 7-8.
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.

At 4:00 p.m. on September 23 , the center of the super typhoon was at about 20.6 degrees north latitude; 116.7 degrees east longitude, in the northeastern sea of the North East Sea. The strongest wind near the center of the super typhoon was level 16 (184-201 km/h), gusting to level 17. Moving in the West Northwest direction at a speed of about 20 km/h.
Forecast, by 4pm on September 24, the center of the super storm is at about 21.8 degrees north latitude, 111.8 degrees east longitude; on the mainland along the coast of Guangdong province (China); about 390km east of Mong Cai (Quang Ninh). The storm moves in the West Northwest direction, at a speed of 20-25km/h and gradually weakens. By 4am on September 26, the storm moves in the West Southwest direction, at a speed of 20-25km/h, weakening into a low pressure area.
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At 1 p.m. on September 23, the center of the super typhoon was at about 20.3 degrees north latitude; 117.1 degrees east longitude, in the northeastern sea of the North East Sea. The strongest wind near the center of the super typhoon was level 16-17 (184-221 km/h), gusting above level 17. Moving in the West Northwest direction at a speed of about 20 km/h.
Forecast of strong winds, big waves, and rising water
According to the forecast of the Hai Phong City Hydrometeorological Station, due to the influence of super typhoon Ragasa (typhoon No. 9), the northern sea area of the North East Sea will have strong winds of level 10 - 14, the area near the center of the super typhoon will have winds of level 15 - 17, gusts above level 17, waves over 10 m high; rough seas.
From September 24, the eastern sea area of Bac Bo Gulf (including Bach Long Vy special zone) will have winds gradually increasing to level 6 - 7, gusting to level 9. From the evening and night of September 24, the Bac Bo Gulf area (including Bach Long Vy special zone, Cat Hai special zone, Lan Ha Bay, Hon Dau Island) will have winds gradually increasing to level 8 - 9, waves 2 - 4 m high, the area near the storm center will have winds of level 10 - 12, gusting to level 14, waves 4 - 6 m high; the sea will be very rough.
From early morning on September 25, coastal waters of Hai An, Dong Hai, Nam Trieu, Do Son, Nam Do Son, Duong Kinh wards, Chan Hung, Hung Thang, Kien Hai communes had winds gradually increasing to level 6 - 7, then increasing to level 8, near the storm center level 9 - 10, gusting to level 12.
On land, from early morning on September 25, communes and wards located deep inland of Hai Phong city have had strong winds of level 6 - 7, gusting to level 8 - 9.
Forecasting the impact of strong winds, all vessels, anchorages, aquaculture areas, sea dykes and other activities in the above sea areas are at very high risk of being affected by storms, whirlwinds, strong winds and big waves.
Strong winds break trees, damage houses, traffic works and infrastructure, endangering human lives.
The coastal areas of Hai Phong city have storm surges of 0.5-1.0m high. There is a high risk of landslides, sea dykes, and destruction of aquaculture areas and ships and boats anchored along the coast due to strong winds, rising sea levels, and large waves.
Moderate to heavy rain is forecast.
From the night of September 24 to September 26, the sea area of Bach Long Vi special zone will have heavy to very heavy rain with common rainfall from 150-200mm.
From the night of September 24 to September 26, the sea area of Cat Hai special economic zone - Lan Ha bay, the sea area of Hon Dau island, Nam Do Son ward, Do Son ward will have heavy rain with common rainfall from 100 - 150mm, locally over 150mm.
From the night of September 24 to September 26, inland areas will have moderate to heavy rain. Forecast locations: Thuy Nguyen, Le Chan, Hai An, Duong Kinh, An Duong, An Lao, Kien An, Tien Lang, Vinh Bao) with average rainfall of 80 - 130mm. Forecast locations: Hai Duong, Chi Linh, Thanh Ha, Kim Thanh, Ninh Giang, Thanh Mien, Cam Giang, Kinh Mon and Tu Ky with average rainfall of 70 - 120mm.
Due to the influence of the wide storm circulation, it is necessary to guard against the risk of thunderstorms, tornadoes and strong gusts of wind both before and during the storm. Thunderstorms and heavy rain can overload urban drainage systems, causing flooding in residential areas, traffic jams due to flooded roads and reduced visibility when driving, causing slippery roads and traffic accidents. Thunderstorms can be accompanied by tornadoes, lightning and strong gusts of wind that can break trees, damage houses, traffic works and infrastructure. Heavy rain in a short period of time can cause landslides in mountainous areas, flooding urban areas and low-lying areas.
Source: https://baohaiphong.vn/sieu-bao-ragasa-manh-cap-16-cach-quang-ninh-khoang-750km-521576.html
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