Storm centre (3)
I believe the answer is:
eye
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">storm centre</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for eye that I've seen before include "potato bud" , "View" , "1 across, 4 across, for example" , "It accommodates a pupil" , "Orb" .)