Chinese residents are evacuated to a public school in Shanghai today ahead of the expected arrival of Typhoon Wipha, potentially the most destructive storm to hit the city in a decade. Associated Press   A pedestrian jumps over a flooded road today as it rains in Shanghai, eastern China. Weather reports forecast the typhoon would make landfall south of Shanghai early Wednesday morning. AP Photo/EyePress

The fringes of Typhoon Wipha lashed northern Taiwan, where schools, offices and the stock market closed. A construction worker was killed when the storm's winds knocked down scaffolding, Taiwan's Disaster Relief Center said.

City authorities ordered schools closed Wednesday in Shanghai, a city of more than 20 million and China's financial hub. Chinese state-run television showed families being evacuated from their fishing boats and other vessels. Shopkeepers stacked sand bags to prevent flooding as drains clogged amid torrential rains.

The typhoon, whipping up waves up to 36 feet high, was moving northwest toward the Chinese mainland. Weather reports forecast it would make landfall south of Shanghai early Wednesday morning.

Wipha, a woman's name in Thai, was upgraded from a tropical storm Monday.

"The typhoon is very likely to develop into the worst one in recent years," said a man who answered the phone at the city's meteorological bureau. As is common with Chinese officials, the man identified himself only by his surname, Fu.

Shanghai and the coastal provinces of Zhejiang and Fujian to the south issued typhoon warnings requiring all vessels to return to shore or change course to avoid the storm, the official Xinhua News Agency said.

It said that 1.6 million people living in coastal or low-lying areas of Shanghai, Zhejiang and Fujian had been evacuated.

According to the forecaster Weather Underground, Wipha's winds are gusting to 165 mph and sustained at 140 mph.

It said nearly 30,000 fishing boats in the province had taken shelter in port by late Monday and ferry service with outlying islands was suspended.

The deadliest storm to hit the China coast in recent years was Typhoon Winnie in 1997, which killed 236 people. Typhoon Rananim, with winds of more than 100 mph, was the strongest typhoon to hit the Chinese mainland since 1956, killing nearly 200 people.

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