Coup de vent violent.
ETYM From Spanish or Portu. tornar to turn, return, Latin tornare to turn, hence, a whirling wind. The Spanish and Portu. tornada is a return. Related to Turn.
A localized and violently destructive windstorm occurring over land characterized by a funnel-shaped cloud extending toward the ground; SYN. twister.
Extremely violent revolving storm with swirling, funnel-shaped clouds, caused by a rising column of warm air propelled by strong wind. A tornado can rise to a great height, but with a diameter of only a few hundred yards or less. Tornadoes move with wind speeds of 160–480 kph/100–300 mph, destroying everything in their path. They are common in the central US and Australia.
ETYM Cf. Icel. hvirfilvindr, Swed. hvirfvelvind, Dan. hvirvelvind, German wirbelwind. Related to Whirl, and Wind.
A more or less vertical column of air whirling around itself as it moves over the surface of the Earth.
Rapidly rotating column of air, often synonymous with a tornado. On a smaller scale it produces the dust-devils seen in deserts.