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