According to the National Center for Hydro-Meteorological Forecasting, at 4:00 a.m. on November 5, the center of storm No. 13 was at about 11.4 degrees north latitude; 119.4 degrees east longitude, about 560 km east of Song Tu Tay Island. The strongest wind near the storm center is level 13 (134 - 149 km/h), gusting to level 16. The storm is moving west-northwest at a speed of 20 - 25 km/h.
It is forecasted that in the next 24 hours, the storm will move west-northwest at a speed of about 25 km/h. At 4:00 a.m. on November 6, the center of the storm was at about 12.8 degrees north latitude; 113.9 degrees east longitude, about 550 km east-southeast of the Gia Lai province coast. The strongest wind near the storm center is level 14, gusting to level 17.
The danger zone in the next 24 hours is from latitude 10 to 14.5 degrees north, east of longitude 112 degrees east. Level 4 natural disaster risk for the central East Sea area (including the northern sea area of Truong Sa).
It is forecasted that around the night of November 6, the storm is likely to directly affect the area from Da Nang to Khanh Hoa, causing strong winds in coastal areas that may be strong from level 10-12, gusting to level 15, deep inland there is a possibility of strong storm winds of level 7-9, gusting to level 13-14.
It is forecasted that in the next 48 hours, the storm will continue to move west-northwest at a speed of about 25 km/h, entering the mainland. At 4:00 a.m. on November 7, the center of the storm was at about 14.4 degrees north latitude; 108.3 degrees east longitude, on the mainland from Quang Ngai to Dak Lak. The storm gradually weakened, strong winds of level 9 - 10, gusting to level 12.
The danger zone in the next 48 hours will be from latitude 10.5 to 15.5 degrees north, west of longitude 116 degrees east. The natural disaster risk level is level 4 for the central East Sea area (including the northern sea area of Truong Sa special zone), the sea area from Da Nang to Khanh Hoa (including Ly Son special zone) and the eastern mainland area from Quang Ngai to Dak Lak; level 3 for the coastal area from southern Quang Tri to Da Nang city and the western provinces from Quang Ngai to Dak Lak.
On land, from the evening of November 6, on the mainland along the coast from southern Quang Tri to Da Nang city, the east of the provinces from Quang Ngai to Dak Lak, the wind will gradually increase to level 6 - 7, then increase to level 8 - 9, the area near the storm's eye will have strong winds of level 10 - 12 (focusing on the east of the provinces of Quang Ngai - Dak Lak), gusting to level 14 - 15.
From the evening and night of November 6, the western provinces from Quang Ngai to Dak Lak will gradually have winds increasing to level 6 - 7, near the storm's eye, level 8, gusting to level 10.
Regarding heavy rain, from November 6 to 7, the area from Da Nang city to Dak Lak will have very heavy rain with common rainfall of 200 - 400 mm/ods, locally over 600 mm/ods; the area from southern Quang Tri to Hue city, Khanh Hoa and Lam Dong will have heavy rain with common rainfall of 150 - 300 mm/ods, locally very heavy rain over 450 mm/ods. From November 8, heavy rain in the above areas tends to decrease.
From November 7 to 8, the northern area from Quang Tri to Thanh Hoa will have moderate rain, heavy rain with common rainfall of 50 - 150 mm/ods, locally very heavy rain over 200 mm/ods. Warning of the risk of heavy rain with rainfall greater than 200 mm in 3 hours.
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.
At sea, the central East Sea area (including the northern sea area of Truong Sa) has strong winds of level 8 - 11, the area near the storm's eye has strong winds of level 12 - 14, gusting to level 17. Waves are 5-7 m high, near the center of the storm are 8-10 m high, the sea is rough.
From early morning on November 6, the sea area from Da Nang city to Khanh Hoa (including Ly Son special zone) will have winds gradually increasing to level 6 - 7, then increasing to level 8 - 11, the area near the storm's eye will have strong winds of level 12 - 14, gusting to level 17. Coastal areas from Hue city to Dak Lak have waves 4 - 6 m high, near the storm's eye 6 - 8 m high, the sea is very rough.
The storm-induced water level in coastal areas from Hue city to Dak Lak is 0.3 - 0.6 m high. From the evening of November 6, coastal areas from Hue city to Dak Lak should be on guard against rising sea levels accompanied by large waves causing flooding in low-lying areas, waves of dykes, coastal erosion, slowing flood drainage and affecting coastal aquaculture areas. All ships and works operating in the above-mentioned danger zone are affected by strong thunderstorms, whirlwinds, strong winds, large waves and rising sea levels.
