Yagi, the third to enter the East Sea this year, strengthened into a super typhoon with the fastest wind speed near its eye at Level 16, gusting up to over Level 17.
By 4am on September 7, its eye is expected to be at around 20.6 degrees North and 108.7 degrees East.
By 4pm the same day, the typhoon is predicted to move west - northwest at about 20km per hour and gradually weaken as it approaches the northeastern mainland.
The area to be affected will be the northwest of the East Sea and the entire Gulf of Tonkin.
Due to the super typhoon, Prime Minister Pham Minh Chinh has signed an official dispatch demanding efforts to be hastened in response to the approaching Typhoon Yagi.
Some airports were requested to suspend operations for certain periods of time on September 7.
Accordingly, Van Don International Airport in Quang Ninh will halt handling aircraft from 4am to 4pm on September 7, Cat Bi Airport in Hai Phong city 5am - 4pm, Noi Bai International Airport in Hanoi 10am - 7pm, and Tho Xuan Airport in Thanh Hoa province from noon to 10pm./.