A Darth Vader on the Gatwick Express. Darth Vader (plural Darth Vaders) A powerful individual or force, particularly one that is seen as malevolent, dominating and threatening. Robert Whiting, The Meaning of Ichiro: The New Wave from Japan and the Transformation of Our National Pastime (2004) p. 130:
exists and is an alternate of . Wind is a horizontal flow of air from higher pressure to lower pressure the force that generates wind is called the Pressure-Gradient Force. Wind is a horizontal flow of air from higher pressure to lower pressure the force that generates wind is called the Pressure-Gradient Force.
Because of the rotation of the earth and the coriolis force, air is deflected to the right in the Northern Hemisphere. As a result, the movement of air in the polar cell circulation produces the polar easterlies. In the circulation cell that exists between 60Â° and 30Â° north, the movement of air produces the prevailing westerlies. In the tropic circulation cell, the northeast trade winds are produced.