This is unusual. Tornado Alley in China. While at times I've missed a good West Texas thunderstorm, I never imagined a tornado would hit China.
Deadly tornado hits city in south-western China1 (May 6, 2010, BBC News)
A powerful tornado has hit Chongqing municipality in south-western China, killing at least 23 people.The state news agency Xinhua reported that at least 160 people had been injured, but the number of casualties was still being checked. Rescue work is underway in Liangping and Dianjiang districts, Xinhua said.
1 ZGBriefs for May 6, 2010