[6] Although it has strengthened, the JTWC issued its final advisory without upgrading it to a tropical storm, whilst Rai made landfall over Central Vietnam, about 94 km (59 mi) southeast of the city of Da Nang.

[citation needed] On late September 12, Tropical Storm Rai, known in Vietnam as Cơn bão số 4 (the 4th storm in 2016), made landfall in Quảng Nam Province and Quảng Ngãi Province in Central Vietnam.

[11][12] Heavy rains in Central Vietnam caused flooding and the bursting of the Bung River 2 hydroelectricity plant in Quảng Nam province of Vietnam, which released 28 million cubic meters of water and washed away 2 workers.

[14] Four ships were sunk along central Vietnam's coastline and 2 others were left stranded, while 5 houses were completely destroyed and the roofs of 275 others were torn off.

[11] On September 13, the Thai Meteorological Department issued a warning to people in 34 provinces in the North, Northeast and East to brace for heavy rain and stay tuned for weather updates, when Tropical Storm Rai moved through Laos and Thailand.