Relier Pairs topic 7 weather part 2 winds and air pressureVersion en ligne match the term to the defintion par Susan Brown 1 instrument used to measure wind speed 2 lowest zone of the atmosphere where people live 3 easterly moving air at the top of the troposphere; convection cells 4 horizontal movement of air parallel to Earth's surface 5 difference in air pressure for a specific distance anemometer troposphere air pressure gradient wind jet streams 1 low wind speeds 2 series of zones where winds move primarily in a specific direction over time; in the Northern Hemisphere to the right 3 wind from the direction that is most common at a particular place or season. 4 high wind speeds 5 extreme weather changes caused by the shifting wind and pressure belts in parts of Asia and India; seasonal very high rain and winds 6 cause of spinning directions of winds; counterclockwise in southern hemisphere and clockwise in northern hemisphere monsoons planetary wind belts Coriolis effect steep pressure gradient; close isobars prevailing winds far apart isobars 1 in the northern hemisphere lows spin 2 in the northern hemisphere highs spin 3 where two air masses of different characteristics meet 4 high pressure with wind blowing away from the center 5 low pressure with wind blowing toward the center 6 large body of air in the troposphere with similar characteristics of pressure, moisture and temperature cyclone front anticyclone clockwise away from center counterclockwise toward center air mass 1 boundary of an advancing warm air mass and a retreating cold air mass 2 boundary of an advancing cold air mass and a warmer air mass 3 ever-changing boundary between the cold air masses of the poles and the warmer air masses of the equator 4 when two adjacent air masses stay in the same place 5 boundary of opposing wedges of cold air masses that lift a warm air mass causing mid latitude cyclones stationary fronts cold front polar front occluded front warm front
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