Rotating in the same direction as the Earth i.e. anticlockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere.
Of, pertaining to, or resembling a cyclone.
A person or body of objects or events sweeping violently onward.
A violent windstorm of limited extent, as the tornado, characterized by an inward spiral motion of the air with an upward current in the center; a vortex of air. It usually has a rapid progressive motion.
Rapid and minimal: a whirlwind tour, a whirlwind romance.