precipitation Flashcards

1
Q

what is precipitation like at the equator and why?

A

rainfall is high and constant throughout the year
this is because hot air rises and cools quickly and condensing into droplets of convectional rainfall

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1
Q

precipitation definition

A

whatever form moisture takes falling from the sky

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2
Q

what is precipitation like at the inter tropic convergence zone (ITCZ)and why?

A

torrential rain
this is because air rises and triggers a burst of torrential rain
sometimes there can be a wave of low pressure in this area which causes a tropical storm + it travels towards the equator

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3
Q

what is precipitation like in Western Europe and why?

A

precipitation is higher in coastal areas
this is due to the movement of the jet stream over the Atlantic

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4
Q

what is precipitation like in the Tropics of Cancer and Capricorn and why?

A

rainfall is low
this is because dry air descends there as part of the Hadley cell, resulting in arid conditions

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5
Q

what is precipitation like in the Polar regions and why?

A

rainfall is low and often falls as snow
this is because the cold air has a limited ability to hold water vapour

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