Answer: vortex

AnswerCrossword Clue
VORTEXMaelstrom.
vortexwhirling mass or movement
vortexa whirling mass of fluid
VORTEXPolar ... (weather phenomenon)
VORTEXWhirlwind
VORTEXTornado
VORTEXMaelstrom
VORTEXEddy.
VORTEXWhirlpool.
VORTEXWhirlpool
VORTEXWaterspout.
VORTEXTornado, for instance
VORTEXWhirlpool, for one
VORTEXWhirling waters
VORTEXWhirlpool or tornado
VORTEXWhirling mass
VORTEXSpinning mass
VORTEXEddy