Synonyms for Stormy (same or very similar meaning)
WordNet sense 1 (not peaceful):
unpeacefulWordNet sense 2 (unpleasantly stormy):
dirtyWordNet sense 3 (violently agitated and turbulent):
boisterous, roughWordNet sense 4 ((of the elements) as if showing violent anger):
angry, furious, raging, tempestuous, wildFrom the ODE community, based on WordNetadd/edit