Footage has emerged from the US of a powerful tornado hitting a part of Kansas. <br /><br />The video, filmed yesterday four miles south of Grainfield, shows the twister moving through what appear to be agricultural fields. <br /><br />The filmer wrote online that he filmed the storm from roughly one mile away.<br /><br />++CLIENTS PLEASE NOTE: FOOTAGE OF THE TORNADO FORMING IS AVAILABLE HERE - http://www.newsflare.com/video/56887/weather-nature/formation-of-tornado-4-miles-south-of-grainfield-Kansas++
