A man recorded an EF-4 tornado that touched down in Bonner Springs, Kansas, using a GoPro clamped to a metal fence post up until the storm ripped it out and blew it away. <br /><br />The incredible video, filmed on May 28, shows how in the span of just under five minutes a sunny day became a whirling maelstrom, as the tornado advanced closer until it eventually pulled out the fence post that the camera was affixed to.
