The Collaborative International Dictionary of English v.0.48:

Vortical \Vor"ti*cal\, a.
   Of or pertaining to a vortex or vortexes; resembling a vortex
   in form or motion; whirling; as, a vortical motion. --
   Vor"ti*cal*ly, adv.
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

44 Moby Thesaurus words for "vortical":
   affluent, circumgyratory, circumvolutory, confluent, coursing,
   cyclonic, decurrent, defluent, diffluent, flowing, fluent,
   fluxional, fluxive, gulfy, gushing, gyral, gyrational, gyratory,
   gyrostatic, mazy, meandering, pouring, profluent, racing, rotary,
   rotational, rotatory, running, rushing, serpentine, sluggish,
   streaming, surging, surgy, swirly, tidal, tornadic, trochilic,
   vertiginous, whirlabout, whirligig, whirlwindish, whirlwindy,
   whirly