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.
In the plains and coastal areas of the North, Thanh Hoa, Nghe An, there will be moderate rain, heavy rain, some places will have very heavy rain with common rainfall of 50-100 mm, some places will have over 130 mm.
Storm No. 3 is strong at level 8, gusting to level 10 when making landfall
At 4:00 a.m. on July 22, the center of the storm was at about 20.5 degrees north latitude; 107.2 degrees east longitude, about 140 km from Quang Ninh, 70 km from Hai Phong, about 80 km from Hung Yen, about 100 km from Ninh Binh. The strongest wind near the storm center is level 9-10 (75-102 km/h), gusting to level 13. 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. At 4:00 p.m. on July 22, the center of the storm was at about 20.3 degrees north latitude; 106.1 degrees east longitude, on the mainland from Hai Phong to Thanh Hoa. The strongest wind near the storm center is level 8, gusting to level 10.
The danger zone is north of 18.5 degrees north latitude, west of 109 degrees east longitude. 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 storm will move west-southwest at a speed of about 10-15 km/h. At 4:00 a.m. on July 23, the center of the low pressure area was at about 20.1 degrees north latitude; 104.7 degrees east longitude, in the Vietnam - Laos border area. Wind power below level 6.
The strongest storm today, July 22
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 7-8, near the storm's eye level 9-10, gusting to level 13. Waves are 2-4 m high, near the center of the storm 3-5 m, the sea is very rough. 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 0.5-1.0 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 4.6-5.0 m high and in Tra Co (Quang Ninh) is 3.6-4.0 m high. There is a high risk of flooding in coastal areas, 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 7-8, near the storm center level 9-10, gusting to level 13. 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. Winds of level 9-10 can cause trees, electric poles to fall, and roofs to fall, causing very heavy damage.
Regarding heavy rain, from early morning of 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 200-300 mm, locally over 500 mm. Other places in the Northern region and Ha Tinh will have moderate rain, heavy rain, some places will have very heavy rain and thunderstorms with common rainfall of 70-150 mm, locally over 250 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.