A man throws a stuffed animal to his wife as they clean up the debris from their apartment, damaged by a February 2008 tornado over Lafayette, Tennessee.

2008年2月，龙卷风掠过田纳西州拉斐特后，一名男子和妻子在清理被摧毁的公寓中破碎的物品。

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Kansas vehicle license plate impaled on a tree after an EF5 tornado struck Greensburg, Kansas. Flying debris is the main cause of injuries and deaths in tornadoes.

一场EF 5级龙卷风袭击堪萨斯格林斯堡，将一辆堪萨斯州汽车的牌照钉进了树里。飞扬的瓦砾残片是龙卷风中致伤或致死的主要原因。

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The combination of high winds, flying debris, and loud noise of the tornado would have made this photographer very uncomfortable.

大风、飞扬的瓦砾碎片和龙卷风的巨响交织在一起，使这位摄影师感到很不舒服。

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And Barrett Jones lugged a chainsaw around Tuscaloosa to remove tornado debris from homes and yards.

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The tornado left behind enough debris to fill the University of Alabama's football stadium five times, Mayor Walt Maddox said.

CNN: Tornado survivors rebuild, a year later

If a funnel cloud touches the ground it is generally regarded as a tornado and could lift debris and even cause some minor damage on the ground - depending on the strength of convection within the cloud.

BBC: Funnel clouds, twisters, tornados: What are they?