the quality or state of being turbulent; violent disorder or commotion.

Hydraulics . the haphazard secondary motion caused by eddies within a moving fluid.

Meteorology . irregular motion of the atmosphere, as that indicated by gusts and lulls in the wind.

noun

commotion , convulsion , agitation , disorder , helter-skelter , stir , tumult , turmoil , uproar , bluster , disturbance , fight , fracas , frenzy , fury , havoc