This image provided by NOAA shows Typhoon Wipha taken Tuesday, Sept. 18, 2007 at 3:33 a.m. EDT. Wipha, expected to be the most powerful storm to hit China in a decade, churned toward the densely populated coast on Tuesday with 165 mph wind gusts, and the government evacuated 1.6 million people. The fringes of Typhoon Wipha lashed northern Taiwan, where schools, offices and the stock market closed.