Low wind shear and warm waters allowed Wanda to intensify steadily, developing into an intense typhoon.

On July 30, reconnaissance aircraft recorded a minimum pressure of 902 mbar (26.6 inHg), and the peak winds were estimated at 295 km/h (185 mph).

After passing through the Miyako Islands, Wanda weakened slightly and traversed the East China Sea.

[1][2] Taipei on Taiwan recorded 297.3 mm (11.70 in) of rainfall over three days while the typhoon would pass to the north.

Along the coast of Zhejiang, Wanda produced a 5.02 m (16.5 ft) storm surge that destroyed 465 seawalls and 902 boats.