A supercell thunderstorm – a powerful type ... is that the tornado completed a full loop back over its own path. An EF5 tornado that decimated the town of Greensburg, Kansas, in May 2007 is ...

Oklahoma recently saw the destructive power of an EF5 tornado, but in the aftermath of the devastation, we've also been witness to the incredible resilience of the human spirit. Moore, OK resident ...

On May 22 2011 the unthinkable happened an EF5 34 to 1 mile wide tornado developed within seconds and tore through the heart of Joplin Missouri Leaving in its wake complete and total destruction ...

Supercell thunderstorms are known for their devastatingly gnarly tornadoes, but exactly how the twisters form is poorly understood. A new study suggests that scientists could glean hints with a ...

Furthermore the US also has to face more violent tornadoes, those rated EF4 or EF5, than any other country ... This increases atmospheric instability, a vital supercell ingredient.” ...