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Forecast of the trajectory of storm No. 7 until the early hours of October 13 – Photo: National Center for Hydrometeorological Forecasts
According to the National Center for Hydrometeorological Forecasts, in At 4 a.m. on October 13, the location of the storm was about 170 kilometers northeast of the Hoang Sa archipelago.
The strongest wind near the center of a strong storm at level 9 (75 – 90 km / h), impact level 11. The radius of strong winds from level 6, shaking from level 8 or more is approximately 170 km from the center of the storm.
The storm is forecast to move in a northwesterly direction over the next 24 hours, at about 20 km per hour and is likely to be stronger. As of 4:00 a.m. on October 14, the storm’s position was in the southwestern part of Hainan Island, China. The strongest wind near the center of strong storms is level 9-10 (75-100 km / h), level 12.
Storm danger zones in the South China Sea in the next 24 hours (strong winds of level 6 or higher, shaking from level 8 or higher): from latitude 16.0 to 20.0 north latitude; 107.0 to 116.0 degrees east longitude. All vessels operating in the danger zone are at high risk of being affected by strong winds. Natural disaster risk level: level 3.
In the next 24 to 36 hours, the storm moves in a northwesterly direction, every hour between 15 and 20 km, around tomorrow morning (October 14), the storm will enter the Gulf of Tonkin.
At 4:00 pm on October 14, the position of the storm was approximately 19.4 north latitude; 106.7 degrees east longitude. The strongest wind near the center of strong storms is level 9-10 (75-100 km / h), level 12.
During the next 36 to 48 hours, the typhoon moved in a Northwest direction, traveling 15-20km every hour, into the southern provinces of the North Delta and the Central North Coast with the intensity of level 8 and weakening. it gradually turned into a tropical depression, then weakened into an area of low pressure.
At 4:00 am on October 15, the center of the low-pressure area is at approximately 19.6 north latitude; 104.5 degrees east longitude, in the north central continental provinces. The strongest wind in the center of the low pressure area falls below level 6 (below 40 km / h).
Warning of strong winds and large waves in the sea: Due to the influence of the circulation of Typhoon No. 7, in the Northeast Sea (including the waters of the Hoang Sa Archipelago), there are strong winds of 8-9, then increase up to level 9-10, level 12 shock; The sea is very strong. Starting tonight (October 13), in the Gulf of Tonkin with strong winds of 6-7, after rising to level 8, the area near the center of the storm passes from level 9-10, level 12; The sea is very strong. The waves of the sea are 3-5 m high.
Heavy Rain Warning: Due to the influence of Typhoon No. 7 combined with cold air, from October 14 to October 16 in the north and central north, heavy to very heavy rains and scattered thunderstorms with total rainfall. 150-350mm / batch, some places more than 400mm / hour.
