Destructive wind vortex (7)
I believe the answer is:
tornado
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">destructive wind vortex</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for tornado that I've seen before include "Terrible storm" , "Violent whirling wind" , "A violent and destructive whirlwind" , "Road not turned in the windstorm" , "Destructive wind vortex" .)