Write a short note on southwest and the northeast monsoon winds.
The monsoon is a seasonal modification of general planetary wind system. monsoon winds are most powerful in India and China.
During summer, the interior of Asia and India become center of great heat and a powerful low pressure develops there. on the other hand, the water surface of the Indian ocean remains cooler and the pressure is towards the heated interior. Tradewinds are substituted by monsoon winds blowing from the south-west. As the wind blows from water to land, it is moist and brings lots of rain. The wind known as south-west monsoon winds.
In the winter season, the interior of Asia and Indian sub-continent is cold and high pressure develops there. On the other hand, the ocean surface to the south is warmer and the pressure gradient is towards the ocean. AS a result, winds blow from the interior towards the ocean and is known north-east monsoon.