tempestuous

Short definition from Wiktionary

Adjective

1. 1
   Of, pertaining to, or resembling, a tempest; also, of a place: frequently experiencing tempests; (very) stormy.
2. 2
   Characterized by disorderly, frenetic, or violent activity; stormy, tumultuous, turbulent; also, of a person, their behaviour or nature, etc.: characterized by bouts of bad temper or sudden changes of mood; impetuous, stormy, temperamental.