Due to the impact of storm No. 3, in Bach Long Vi special area, there were strong winds of level 10, gusting to level 12; Co To special area had strong winds of level 8, gusting to level 11; Cat Ba (special Cat Hai area) had strong winds of level 6, gusting to level 8; Cua Ong had strong winds of level 9, gusting to level 12; Bai Chay had strong winds of level 8, gusting to level 9; Quang Ha had strong winds of level 8; Tien Yen had strong winds of level 7, gusting to level 9; Thai Binh station had strong winds of level 7, gusting to level 8; Mong Cai had strong winds of level 6, gusting to level 9; Phu Lien had strong winds of level 6, gusting to level 8.
The plains and coastal areas of the North, Thanh Hoa, Nghe An will have moderate rain, heavy rain, some places will have very heavy rain with common rainfall of 70-150 mm, some places over 200 mm.
Forecast for tonight, July 22, storm weakens into tropical depression
At 7:00 a.m. on July 22, the center of the storm was at about 20.2 degrees north latitude; 106.7 degrees east longitude, in the coastal waters of Hai Phong - Ninh Binh. The strongest wind near the storm center is level 9 (75-88 km/h), gusting to level 12. The storm is moving west-southwest at a speed of about 15 km/h.
It is forecasted that in the next 12 hours, the storm will move west-southwest at a speed of about 10-15 km/h, gradually weakening into a tropical depression. At 7:00 p.m. on July 22, the center of the tropical depression was at about 19.9 degrees north latitude; 105.5 degrees east longitude, on the mainland from Hai Phong to Thanh Hoa. The strongest wind is level 6, gusting to level 8.
The dangerous area at sea is north of latitude 18.5 degrees north, west of longitude 109.0 degrees east. The risk level of natural disasters due to storms is level 3 for affected areas including the Gulf of Tonkin, coastal waters and mainland provinces from Quang Ninh to Thanh Hoa.
It is forecasted that in the next 24 hours, the tropical depression will continue to move west-southwest at a speed of about 10-15 km/h, gradually weakening into a low pressure area in the Upper Laos area. At 7:00 a.m. on July 23, the center of the low pressure area was at about 19.6 degrees north latitude; 103.8 degrees east longitude, winds below level 6.
Storm continues to cause heavy rain from today to tomorrow, July 23
At sea, the northern sea area of the Gulf of Tonkin, including the special areas of Bach Long Vi, Co To, Van Don, Cat Hai, and Hon Dau island, will have strong winds of level 6-7, near the storm's eye level 8-9, gusting to level 12. Waves are 2-4 m high, 3-5 m near the storm's eye; very rough seas. The southern Gulf of Tonkin, including Hon Ngu Island, has strong winds of level 6-7, near the storm center level 8, gusting to level 11. Waves 2-4 m high, rough seas.
Coastal areas from Hung Yen to Quang Ninh have storm surge water from 0.5-1 m. The water level in Ba Lat (Hung Yen) is 2.4-2 1.6 m high, in Hon Dau (Hai Phong) is 3.9-4.1 m high, in Cua Ong (Quang Ninh) is 4.6-5 m high, in Tra Co (Quang Ninh) is 3.6-4 m high. There is a high risk of flooding in coastal areas and river mouths at noon and afternoon of July 22.
Warning, the weather at sea and in coastal areas during the storm is extremely dangerous, unsafe for any vehicles or works operating in dangerous areas such as tourist boats, passenger ships, transport ships, cages, aquaculture areas, dykes, embankments, coastal roads. Vehicles are likely to overturn, be destroyed, or be flooded due to strong winds, thunderstorms, whirlwinds, large waves, and rising sea levels.
On land, coastal areas from Quang Ninh to Nghe An will have strong winds of level 6-7, near the storm center level 8-9, gusting to level 12. Deep inland areas of Hai Phong, Hung Yen, Bac Ninh, Hanoi, Ninh Binh and Thanh Hoa provinces and cities have strong winds of level 6, gusting to level 7-8. Level 9 winds can break tree branches, blow off roofs, and cause damage to houses.
Regarding heavy rain, from July 22 to July 23, in the Northern Delta, Thanh Hoa and Nghe An, there will be heavy to very heavy rain and thunderstorms with common rainfall of 100-200 mm, locally over 300 mm. Other places in the Northern region and Ha Tinh will have moderate rain, heavy rain, locally very heavy rain and thunderstorms with common rainfall of 50-100 mm, locally over 150 mm.
Warning of the risk of heavy rain over 150 mm in 3 hours. Heavy rainfall in a short period of time can cause flash floods, landslides in mountainous areas, and flooding in low-lying areas.
