| What are "Jet Streams" and how do they affect the climate of India? |
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| What are jet streams? Explain their influence on the climate of India in summer and winter. |
Answer:
Jet streams are fast blowing air currents of a steady velocity moving in a narrow zone of the atmosphere. The Western Disturbances and the south-west monsoon are influenced by these jet streams. Jet streams affect the climate of lndia. They help in bringing the Western Disturbances to north and north-western parts of India. Western Disturbances cause much needed winter rains over the north and north-western parts of India and snowfall in the mountains. Though the total amount of winter rainfall "mahawat" is small, they are of great importance for the cultivation of 'rabi' crops.
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