Monday 16 September 2013

Factors that influence the climate and weather.

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Prevailing wind patterns: There is 3 major wind patterns in the northen and south hemisphere. As seasons change, the wind patterns shift north or south.


Latitude and angles of the suns rays: As the earth circles the sun, the tilt of its axis causes changes is the angle of which sun ray's contact the earth. This changes the daylight hours. Polar regions experience great variations with  no sunlight in the winter and up to 24 hours of daylight in the summer.


Altitude effect climate: Normally climate becomes colder as the altitude increases. Plants and trees and all other plant life around them cannot grow at this time of the year.


Jet Streams: Jet streams is an area of air above where to air masses collide eg. cold front meet a warm front. The greater the temperature between the air masses, the greater the air pressure will be. Jet streams mostly form in the winter when there is a big difference between temperatures.


Weather fronts: An air mass with a different temperature and humiditie is called a front. On a cold front cold air replaces warm air. On a warm front warm air replaces cold air.



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