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Tropical low pressure forecast diagram – Photo: National Center for Hydrometeorological Forecast
According to the National Center for Hydrometeorological Forecasts, at 1:00 p.m. on October 16, the low pressure tropical center is located about 160 km east of the coast of the provinces from Da Nang to Binh Dinh. The strongest wind in the region near the center of strong tropical low pressure level 6 (40-50 km / h), level 8.
In the next 12 hours, the tropical depression is forecast to move westward, about 30 km every hour, into the Central Central provinces, gradually weakening into a low-pressure area.
At 1:00 AM on October 17, the center of the low-pressure region in southern Laos. The strongest wind in the center of the low pressure area falls below level 6 (below 40 km / h).
Danger zone due to tropical depression in the East Sea in the next 12 hours (strong winds of level 6 or higher, shock from level 8 or higher): from latitude 14.5 to 17.0 north latitude; West longitude 112.0 degrees East longitude. All vessels operating in the danger zone are at high risk of being hit by strong winds.
Due to the influence of low pressure tropical circulation combined with cold air, the southwest area of the Hoang Sa archipelago, the western area of the sea in the middle of the East Sea has strong winds of level 6 and level 8; rough seas. In the waters from Quang Tri to Quang Ngai, there are strong winds of level 6, level 8; rough seas; Sea waves from 2.0 to 4.0 m high.
The South China Sea region has strong southwest winds of level 5, sometimes level 6, level 7-8, only the western sea area of the South China Sea (including the waters of the Spratly Islands) and the sea from Binh Thuan to Ca Mau level 6, level 8; 2.5-3.5 m high sea waves, rough seas.
In addition, due to the influence of cold air, in the Gulf of Tonkin and the Northeast Sea (including the northern waters of the Paracel archipelago), there are strong winds from the Northeast of level 6, level 8, and then level up. 7, shock level 9; the waves in the Gulf of Tonkin are between 2.0 and 4.0 m high; in the Northeast Sea 3.0-5.0 m; strong seas.
On the mainland, in the afternoon and evening of October 16, Quang Tri to Quang Ngai provinces have strong 6-7 winds.
Central, Highlands prolonged heavy rain
From now until October 21 in central Vietnam, there are very heavy rains, especially Ha Tinh, Quang Binh, Quang Tri have the ability to rain especially hard.
The total rainfall from this afternoon to October 21 in South Nghe An, Ha Tinh, Quang Binh and Quang Tri is commonly 400-700 mm, in some places more than 800 mm; In Bac Nghe An, Thua Thien Hue, the popular is 400-500mm, in some places more than 500mm; In Da Nang, Quang Nam, the popularity is 300-400mm, some places are more than 450mm; From Quang Ngai to Phu Yen, the popular 200-300mm, some places exceed 350mm.
From October 16 to October 18 in the Central Highlands, there were moderate rains, heavy rains, some places with very heavy rains with a total rainfall of 100-200 mm, some places higher than 250 mm.
After October 21, in the Central Central, South Central provinces, there is the possibility of prolonged heavy rains.
