Cyclone
1. An air mass circulating inward around a low-pressure center (counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere). 2. A violent rotating windstorm.
Tropical storm A cyclonic storm with winds from 30 to 73 miles per hour.
Hurricane
A severe tropical storm with winds of at least 74 miles per hour.
Typhoon
A hurricane in the western Pacific, South China Sea, or Indian Ocean.
Monsoon Periodic wind, or the rain or season associated with it.
Tornado
A violently rotating air column in contact with the ground and extending to the base of a thunderstorm.
Waterspout
A tornado over water.
Twister
A tornado or cyclone.
Whirlwind
A spinning vertical column of air.
Dust Devil
A whirlwind with dust or debris.
