Advertisements
Advertisements
Question
What are ‘jet streams’?
Advertisements
Solution 1
- ‘Jet Streams’ are the fast moving winds blowing in a narrow zone in the upper layer of the atmosphere.
- They play a vital role in the onset of South West monsoon and cause Tropical depressions both during South West monsoon and Retreating monsoon.
Solution 2
The jet stream is a swiftly blowing wind at the height of 3 to 5 km above the subtropical high-pressure belt. It plays an important role in the mechanism of the monsoons.
RELATED QUESTIONS
Give two important characteristics of the South West monsoon rainfall.
Give a geographical reason for the following:
The northern plains of India do not freeze in winter.
Kochi has a lesser annual range of temperature than Agra.
Study the climatic data provided in the table below for a city A in India and answer the questions that follow:
| City | T/R | J | F | M | A | M | J | J | A | S | O | N | D |
| A | T | -8 | -3 | 2 | 7 | 15 | 18 | 17 | 12 | 10 | 5 | 0 | -7 |
| R | 10 | 8 | 8 | 5 | 5 | 5 | 13 | 13 | 8 | 5 | 0 | 5 |
T = Mean monthly temperature in degree Celsius (°C).
R = Average monthly rainfall in millimeters (mm).
- What is the cause of low rainfall in station A?
- Calculate the range of temperature of this station.
Study the Temperature-Rainfall graph of station X below and answer the questions that follow:

- Is the location of station X Inland or coastal? Give a reason for your answer.
- Which branch of the South West Monsoon brings, rain from the month of June to September?
What are the two climatic conditions required for the cultivation of ground-nuts in India?
Why does Break in Monsoons occur?
The unifying factor of the climate of India is ______ winds.
Consider the given statements and choose the correct option from the given below ones
Assertion(A): The Himalayas acts as a climatic barrier.
Reason(R): The Himalayas prevents cold winds from central Asia and keep the Indian Sub-continent warm.(Give option for this questions)
Climate of India is affected by ______.
What is meant by ‘normal lapse rate’?
Mountains are cooler than the plains.
The South-east trade wind blow from over ______land in summer.
The climate and weather conditions in India are governed by the three-atmosphere conditions. Name them.
Give reasons for the following topic:
The relief of India has a great bearing on the climate.
What are the major determinants of the climate of a place? Explain them.
What is the Inter-Tropical Convergence Zone?
Find out the temperature of Ooty (2240m) when it is 35°C in Chennai (6.7m)
