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18 terms

Science

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weather
the current state of the atmosphere
meterology
the study of atmospheric pressure
climate
the average of weather over the coarse of many years
coriolis effect
the curving of the path of a moving object from an otherwise straight path due to earth's rotation
jet stream
narrow air currents that flow quickly through the amosphere
polar easterlies
prevailing winds that blow from east to west between 60 degrees to 90 degrees latitude in both hemispheres
Prevailing easterlies
prevailing winds that blow from 30 degrees and 60 degrees latitude some of the desending air moving toward the poles is deflected by the coriolis effect
trade winds
prevailing winds that blow from 30 degrees to 0 degrees in both hemispheres that blow from east to west
doldrums
trade wind system of the northern and southern hemisphere meet at the equator in a narrow zone
air mass
a large body of air that takes on the characteristics of the area over which it forms
land breeze
is formed when the land surface cools down faster than the water surface
sea breeze
is formed by water heating up slower than the land
warm front
the transition zone where a warm air mass is replacing a cold air mass
cold front
a zone seperating two air masses of which the cooler, denser mass is advancing and replacing the warmer air
stationary front
is the boundary between two air masses that neither of which is replacing
occluded front
occurs when a cold front eventually cathches up to warm front and collide to form
high pressure system
region when the atmospheric pressure and the surface is greater than the enviroment
low pressure system
is when the barometric pressure is lower than the surrounding area