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