Monsoon in India follows a seasonal rhythm - Discuss.
Answers
According to the meteorologists, an annual cycle of seasons recognise the following four seasons:
the cold weather season
the hot weather season
the southwest monsoon season
the retreating monsoon season
Starts from 15th December to 15th March. During this season sun is over the tropic of Capricorn and is characterized by high-pressure conditions over the north Indian plains. The northern parts of the country have a mean temperature below 21°C and January is the coldest month. The most important weather condition of this season is the western disturbance which provides rainfall and snowfall to northern parts of the country which decreases from the west towards the east and from the north towards the south.
These are the low-pressure system or temperate cyclones originating over the Mediterranean Sea. These disturbances are stirred or pushed towards the Indian sub-continent by sub-tropical westerly jet stream blowing close to the tropopause. These disturbances on way towards the Indian subcontinent picks up moisture from the Red Sea, Black Sea, and the Caspian Sea. On reaching the Indian sub-continent these are obstructed by the Himalayas and are responsible for orographic rainfall or frontal rainfall in northern parts of India including states of J&K, Himachal, Punjab, Harayana, Delhi, Uttarakhand, Uttar Pradesh, etc. The amount of rainfall decreases from the west towards the east and from the north towards the south.
Explanation:
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