What are Jet streams and how do they affect the climate of India?

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Solution

Jet streams are high velocity westerly winds. The westerly flows are responsible for the western disturbances experienced in the north and north-western parts of the country.
These are of two types, westerly jet streams move to the north of Himalayas in summer and easterly jet streams move to the peninsular India.
The movement of a jet stream affects temperatures and precipitation.

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Answer the following questions briefly.

(i) What are the controls affecting the climate of India?

(ii) Why does India have a monsoon type of climate?

(iii) Which part of India does experience the highest diurnal range of temperature and why?

(iv) Which winds account for rainfall along the Malabar Coast?

(v) What are jet streams and how do they affect the climate of India?

(vi) Define monsoons. What do you understand by “break” in monsoon?

(vii) Why is the monsoon considered a unifying bond?

Consider the following statements about jet streams:

1. Jet streams are important component of westerly flow which influences weather in north and northwestern India.

2.The jet streams are found mainly in the upper atmosphere or in troposphere.

3. Jet streams generally follow a straight path.

4. Jet streams are caused by a combination of a planet's rotation on its axis and atmospheric heating

Choose the correct statements:

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