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| The prevailing fundamental atmospheric circulation on a planetary scale which must exist in response to radiation differences with latitude, to the rotation of the earth, and to the particular distribution of land and oceans, and which is required from the viewpoint of conservation of energy. |
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| circulation induced in a rotating system. |
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| The generally small, localized atmospheric circulations, represented by such phenomena as local winds, thunderstorms, and tornadoes. |
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| North and South circulation is unusually pronounced |
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| caused by motion, size and number of gas molecules in the air. Height in altitude decreases pressure. |
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| An instrument for measuring wind velocity |
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| Measures direction of wind |
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| are a result of the pressure gradient force and the Coriolus force on air currents: only occur when the wind blows parallel to straight isobars, when there are no other forces acting on it. |
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| Below tropics of cancer and above capricorn, North East and South East |
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| Inter-Tropical Convergence Zone |
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Definition
| Low pressure moves back and forth due to insolation. Lots of clouds due to warm air rising. |
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| Drives air from high-pressure areas to low-pressure areas. Acts in right angles to Isobars. Wants to balance wind pressure. |
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| high pressure cell with a clockwise flow |
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| An instrument that measures wind pressure |
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| Air on a high plateau or polar ice sheet cools and pours off the edge of the plateau. "Gravity drainage" |
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| Mostly caused by the ITCZ. Also, is accounted for by the varying of pressure and winds between summer and winter. |
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| The general patterns of major ocean currents follow circulation systems around pressure cells. |
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| Waving undulations in the westerly flow of geostrophic winds |
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| he process by which water formed within Earth reaches the surface is an ongoing process |
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| The process of changing H20 from liquid to gas. The Water gains Latent heat, because it needs energy (heat) to transform. |
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| When water vapor turns into water: Latent heat is released (we take away the energy of h20) |
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| Usually covers a wide area of land after the earth has begun cooling (sunset-sunrise). Never over water. |
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| fog produced by air in motion or to fog formed in one place and transported to another. This type of fog is formed when warmer air is transported over colder land or water surfaces. Over Coast-lines |
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| When air is confronted by a mountain, goes over the mountain and cools, then sinks back down. Forms clouds. |
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| Mother of Tornadoes, they contract horizontally, causing winds to accelerate in an inward vortex. |
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| Mother of Tornadoes, they contract horizontally, causing winds to accelerate in an inward vortex. |
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| Air that returns to its original position after an initial vertical displacement |
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| The transition from ice to water vapor |
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| Changing of water vapor directly to solid ice |
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| Depends on Altitude and Shape |
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occurs when air flows toward an area of low pressure.
Results in heaver precipitation in tropical regions. |
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Definition
occurs when air flows toward an area of low pressure.
Results in heaver precipitation in tropical regions. |
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| Produced when cold front overtakes a warm front in a mid-latitudinal cyclone |
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