It had winds up to 260 km/h (160 mph) at peak intensity, and caused over 18 serious injuries and 15 confirmed deaths in Taiwan and the People's Republic of China.

The system formed on the evening of July 11 as a poorly organized depression about 280 km (150 nmi) west of Marcus Island, Japan at 1200 UTC (2100 JST).

Taking a full day to cross the island and it caused flash floods and landslides as it passed over the interior mountains.

[citation needed] In Taiwan, 2 women were found dead east of Taipei, a man was killed by falling rocks, and a fourth victim was swept away by water while fishing.

More than 1,500 people had been evacuated, mostly from northern Taiwan, and signs of devastation could be seen such as uprooted trees, high waves and loss of electric power.