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pressure-gradient force |
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pressure-gradient force [′presh·ər ¦grād·ē·ənt ‚fȯrs] (meteorology) The force due to differences of pressure within the atmosphere; it usually refers only to the horizontal component of the force. Also known as pressure force. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Notice, especially from (2), that the geostrophic wind is the result of a balance between two forces, pressure gradient force (PGF) and Coriolis force (CF). The tapered airway creates a pressure gradient force. This ring is kept in place by two opposing forces: the centripetal force due to the earth's rotation and a counteracting pressure gradient force. |
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