| A | B |
|---|
| vortex | the whirling motion of liquid or gas around a central axis |
| funnel cloud | a visible rapidly rotating cloud that is visible as a funnel at the base of the thundercloud |
| tornado | violent windstorm that spirals around the vortex (a rotating column of air) |
| hurricane | a massive, rotating storm that originates over tropical oceans and has wind speed of 74mph |
| typhoon | a rotating storm that forms in the western Pacific Ocean |
| cyclone | a rotating storm that forms in the Indian Ocean or off the coast of Australia |
| eye (of the storm) | center of a hurricane where the wind speed is low |
| eye wall | a ring of spiraling clouds and thunderstorms that whirl around the eye of the storm |
