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The Monsoon, Mediterranean and Cold Climates

About climates and tropical cyclones

Perle Narumit

on 28 April 2010

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Transcript of The Monsoon, Mediterranean and Cold Climates

Monsoon The South-West Monsoon sun is overhead at the Tropic of Cancer in June places to the north of the Himalayas become very hot warm air rises and is forced to rise over mountains causing relief rainfall The North-East Monsoon overhead sun moves southwards places north of the Himalaya become cold and high pressured very little rainfall + risks of drought Mediterranean Climate found on the west coast of continents

between latitudes 30° and 40° north and south of the equator hot, dry summers
sun is at a high angle in the sky (but not directly overhead)
prevailing winds blow from warm land warm, wet winters
sun is still high in the sky
prevailing winds blow from the sea
brings warm moist air that rise over mountains and causes relief rainfall WORLD CLIMATES Cold Climate found to the poleward side winters are very long, dark, and cold
the sun fails to rise above the horizon
far from seas
strong winds summers are short and a bit warm
long hours of daylight
far from sea precipitation is light throughout the year
air is too cold to hold much moisture
far from rain-bearing winds from the sea

falls as snow in winter and sometimes bizzards
during summers, rainstorms occur when temperatures are at their highest Tropical Cyclones Formation low pressure > hurricanes, typhoons or cyclones hurricanes develope: over warm tropical oceans 27°
during late summer and early autumn - sea temps are highest
between latitudes 5° and 20° north and south of the equator originate when strong vertical movement of air draws with its water vapour from the ocean below
air rises in a spira movement, cools and condenses - releasing heat energy which powers the hurricane
area of colder air sinks - central eye
when it reaches land, its strenght decreases Effects Winds Flooding Storm (tidal surges) Landslides exceed 160 km/hr (can reach 250 km/hr)
villages can be destroyed
uproot trees
disrupt telephone and electricity power supplies
destroyes crops caused by torrential rain
often major cause of death
pollute water supplies
increase risk of cholera up to 5 meters
flood low lying coastal areas> deaths
blocks escape and relief roads heavy rainfall washes away buildings erected on steep, unstable slopes
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