Name three local winds bringing rain in summer in India. How are they beneficial?
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South west monsoon winds brings rainfall to most parts of India. During summer, Indian landmass gets heated up generating a low pressure area over North west India. Simultaneously a high pressure area sits over South Indian ocean between Madagascar and Australia.
This high pressure area pushes winds towards African coast. These wind gusts gets deflected near Somalian coast and moves towards India. These wind gusts while traveling over the vast expanse of ocean pulls in moisture and when it hits the southern tip of India. It gets blocked by the Western ghats and as the moist air rises it condenses and precipitates rain over West coast of India.
Similarly wind gusts blow from Andaman sea towards North east India. Both the wind gusts from Arabian sea and Bay of Bengal gets blocked by Himalayas and are directed towards the low pressure area over North west India. This precipitates rainfall over the hilly regions of North east India and plains of North India.
During monsoon period, low pressure areas form over North Bay of Bengal and moves along the monsoon trough and precipitates rain over Peninsular India. Thus South west monsoon precipitates rain over most parts of India other than Tamilnadu and helps in agriculture filling up all the river basins.
If there is no monsoons most of the peninsular India would just be a barren land devoid of any vegetation. Northern rivers would have been fed only by the glaciers of Himalayas. Agriculture could have been a dream for India without the monsoon!
This high pressure area pushes winds towards African coast. These wind gusts gets deflected near Somalian coast and moves towards India. These wind gusts while traveling over the vast expanse of ocean pulls in moisture and when it hits the southern tip of India. It gets blocked by the Western ghats and as the moist air rises it condenses and precipitates rain over West coast of India.
Similarly wind gusts blow from Andaman sea towards North east India. Both the wind gusts from Arabian sea and Bay of Bengal gets blocked by Himalayas and are directed towards the low pressure area over North west India. This precipitates rainfall over the hilly regions of North east India and plains of North India.
During monsoon period, low pressure areas form over North Bay of Bengal and moves along the monsoon trough and precipitates rain over Peninsular India. Thus South west monsoon precipitates rain over most parts of India other than Tamilnadu and helps in agriculture filling up all the river basins.
If there is no monsoons most of the peninsular India would just be a barren land devoid of any vegetation. Northern rivers would have been fed only by the glaciers of Himalayas. Agriculture could have been a dream for India without the monsoon!
Shagufta15:
Can u plz say where is the mention of local winds.●__●?
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