Question

What are jet streams.explain by diagrams.

Answer 1

Here is a detailed and simple text

Jet stream is a swiftly blowing wind at a height of 3 to 5 kms above the subtropical high pressure belt. Himalayas act as a barrier in their path and as such, the jet streams are divided into westerly and easterly jet steams. the westerly jet is responsible for bringing western disturbances into north-west India and Pakistan which bring winter rainfall. the easterly jet blowing over northern India is responsible for bringing tropical depressions over India and Bangladesh. these depressions play an important role in the distribution of rainfall."
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