Noon 30/8, storm No. 4 went to the mainland from Thanh Hoa to Quang Binh

According to the National Center for Hydrometeorological Forecasting, at 1 o'clock on August 29, the location of storm center No. 4 was about 17.2 degrees Vi Bac; 113.3 degrees Kinh Dong, in the northeastern area of ​​Paracel Islands. The strongest wind near the center of strong storms level 9 (75-90km / h), level 11. Wind radius 6, strong winds level 8 or more about 120km from the center of the storm.

It is forecasted that by 1 o'clock on August 30 , typhoon No. 4 will move in the Northwestern direction, traveling about 25km per hour. The position of the storm center is about 18.3 degrees Vi Bac; 107.8 degrees Kinh Dong, about 150km to the east from Nghe An-Quang Binh provinces. The strongest wind near the center of strong storms level 9-10 (75-100km / h), level 12. The danger zone in the East Sea (strong winds of level 6, level 8 or higher): North of the 15th parallel, 0 degrees North latitude.

Location of storm No. 4.

By 13 o'clock on August 30 , typhoon No. 4 moved mainly to the West, about 20km per hour and reached the mainland provinces from Thanh Hoa to Quang Binh with strong winds of 8-9 levels, level 11 The center of the storm is at 18.3 degrees Vi Bac; 105.4 degrees Kinh Dong, on the mainland from Nghe An-Quang Binh provinces. The strongest wind near the center of strong storms level 8 (60-75km / h), level 10.

By 13 o'clock on August 31 , the typhoon moved in the west, traveling about 15-20 km every hour, going inland and weakening into a tropical depression, then continuing to weaken into a low pressure area above. Upper Laos. The strongest wind in the center of the low pressure area drops below level 6 (below 40 km / h).

From the evening and night of August 29 , in the South of Tonkin Gulf, there is strong winds of 7-8, the area near the center of the storm goes through level 9-10, level 12. From the night of August 29, in the waters off the provinces from Thanh Hoa to Quang Binh has strong winds of 8-9, level 11. Storm waves are 2-4m high, the area near the center of waves is 3-5m high, and the sea is very strong. In coastal areas of Thanh Hoa-Quang Binh provinces, storm surges range from 0.5-1.0m. In the provinces of Thanh Hóa coming to Quang Tri early in the morning of August 30, the wind gradually increased to level 6, then increased to level 7, the area near the center of the storm passed sharply level 8-9, level 10-11.

Due to the influence of typhoon No. 4, from afternoon and night of August 29 to September 2 in the North, Thanh Hoa to Thua Thien Hue has heavy to very heavy rain . The total popular rainfall in the whole period is in areas of Thanh Hoa, Nghe An, Ha Tinh and Quang Binh: 250-400mm; Quang Tri, Hoa Binh, Son La, Yen Bai and Phu Tho: 200-300mm; the South Delta region and Thua Thien Hue: 100-200mm; Midland region, Northern mountainous region, Da Nang: 50-120mm.

On the rivers and streams in the Red - Thai Binh and Hoang Long river basins, rivers from Thanh Hoa to Thua Thien Hue will appear a flood with a flood amplitude of 3-7m . Peak flood level on Thao river and flow to Hoa Binh lake on Da river and Hoang Long river are likely to reach alarming level 1 - alarm 2; upstream of rivers from Thanh Hoa to Ha Tinh raised to alarming level 2-alarm 3, downstream to alarming level 1-alarm 2; Rivers from Quang Binh to Thua Thien Hue reach alarming levels 1-alarm 2.

High risk of flash floods and landslides in mountainous areas , floods in low-lying provinces of the Northern mountain provinces, provinces from Thanh Hoa to Thua Thien Hue, especially Son La, Hoa Binh, Yen Bai and Thanh Hoa, Nghe An, Ha Tinh and Quang Binh. Flooding in Hanoi City, urban areas in the Northern Delta and provinces from Thanh Hoa to Quang Binh. Level of disaster risk caused by a storm level 3.

Due to the strong influence of the southwest monsoon , in the South China Sea (including the Spratly Islands), the sea area from Binh Thuan to Ca Mau has strong southwest wind 6-7, level 8- 9; Ocean waves from 2-3m high. Strong seas. The Central Highlands and Southern regions continue to experience moderate rainfall, where heavy to very heavy and thunderstorms occur from August 29 to September 1. Need to prevent flash floods, landslides, flooding in low-lying areas.

1. Podul storm threatened the central provinces
2. Podul storm into the East Sea, the wind 60-75km / h