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प्रश्न
What are ‘jet streams’?
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उत्तर १
- ‘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.
उत्तर २
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.
संबंधित प्रश्न
Give reasons for the following:
The Northern Plains of India have a continental type of climate.
State the main factors that affect the climate of Indian sub-continent.
Name the state in India through which the standard meridian of India and the Tropic of Cancer pass covering the longest distance.
Kochi has a lesser annual range of temperature than Agra.
Explain, giving any two reasons, why the deltas of the river Mahanadi suffer from occasional floods.
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.
Explain how the following factor affect India’s climate:
Southern Oscillation
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 | 20 | 23 | 26 | 32 | 35 | 39 | 34 | 28 | 25 | 28 | 24 | 21 |
| R | 14 | 23 | 27 | 42 | 121 | 231 | 300 | 306 | 289 | 160 | 34 | 5 |
T = Mean monthly temperature in degree Celsius (°C).
R = Average monthly rainfall in millimeters (mm).
- Mention two main features of the climate experienced by station A.
- Calculate the annual rainfall for station A.
Mention the climatic conditions required for growing coconut in India.
Retreating monsoon winds flow from ______.
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 ______.
Mountains are cooler than the plains.
The South-east trade wind blow from over ______land in summer.
Tamil Nadu gets its winter rainfall from the ______ winds.
Which are the regions that receive heavy rainfall and flood prone in India?
What is the weather?
What is the Inter-Tropical Convergence Zone?
Which type(s) of cyclones cause rainfall in north-western India during winter? Where do they originate?
