Of, pertaining to, or resembling a cyclone.
Rotating in the same direction as the Earth i.e. anticlockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere.
Extremely fast or sudden; moving (as if) at the speed of lightning.
To produce lightning.
A flash of light produced by short-duration, high-voltage discharge of electricity within a cloud, between clouds, or between a cloud and the earth.
Anything that moves very fast.
A discharge of this kind.