Storm preceder (4)
I believe the answer is:
calm
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">storm preceder</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for calm that I've seen before include "Cool, not excited" , "Controlled, not agitated" , "Cool and collected" , "Absence of wind" , "Still and quiet" .)