How the warming of the Earth by the Sun causes monsoon winds?

Answer 1

The best examples for monsoon winds are sea-breeze and land-breeze which are experienced in coastal stations.The only difference is that monsoons occur on a large scale every year whereas sea-breeze and land-breeze occur almost every day on a limited scale.
Land and sea breeze:-During day time the land is heated more than the adjacent sea and the heated air over the land rises creating a pressure gradient due to which wind from the comparatively high pressure area over the sea starts blowing towards land as sea-breeze.The reverse thing happens in the night as the land cools rapidly compared to the warm sea surface and wind starts blowing towards the sea as land-breeze.
Monsoons:-During summer,the sun shines over Northern hemisphere heating the land surface,making the air above it to rise and creating a low pressure areas over the land mass whereas the ocean surface in the Southern Hemisphere becomes colder and these cool winds from the Southern hemisphere crosses the equator and blow over the land masses bringing lot of moisture and thereby heavy rain.The south-west monsoon in India is an example for this.
In winter the reverse thing happens.The sun shines over the oceans in Southern hemisphere and heats the ocean surface making the air rise whereas the land in the Northern Hemisphere becomes colder and this cool air rushes towards the southern hemisphere to replace the warm rising air.The North-east monsoon in winter in India is an example for this.
From the above facts, it can be inferred that monsoon winds are similar to land and sea breezes.

Answer 2

A monsoon is a seasonal change in general wind direction. Arizona's and the desert southwest is one well known monsoon. Basically, warming of the deserts in the summer creates a thermal low over the southern Nevada area. This in turn results in a wind flow change from the south which transports increased moisture from the Gulf of Mexico and the Gulf of California enhancing rainfall over the southwest U.S. The low tends to weaken by late summer, and the wind flow reverts back to normal.

Answer 3

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Answer 4

warming of the earth brings convection and with this air rising you get pressure changes over the earth and from this movement of air there are winds.