Advertisements
Advertisements
Question
What are ‘Western Disturbances’?
Advertisements
Solution
Western Disturbances are cyclonic systems originating in the Mediterranean region that travel eastward towards the Indian subcontinent, particularly during the winter months. These disturbances are caused by the movement of westerly winds in the upper atmosphere, also known as the westerly jet stream.
APPEARS IN
RELATED QUESTIONS
Give a reason for each of the following:
Kolkata receives heavier rain than Lucknow.
Study the climatic data given below and answer the questions that follow:
| Month | Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec |
| Temperature in °C |
12.0 | 25.5 | 26.3 | 27.1 | 30.0 | 36.2 | 36.0 | 35.9 | 30.3 | 28.4 | 21.0 | 16.6 |
| Rainfall cm | 1.5 | 0.1 | 0.0 | 1.4 | 1.1 | 21.0 | 25.3 | 27.2 | 24.0 | 9.4 | 1.5 | 0.4 |
1) What is the annual range of temperature of the station?
2) What is the total annual rainfall experienced by the station?
3) Why would it be correct to presume that the station lies in the interior and not on the coast?
Mention the geographical reason for the following:
Western Rajasthan receives no rain from the Arabian Sea branch of the South West Monsoon winds.
Study the climate data given below and answer the questions that follow:
| Month | Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec |
| Temperature in °C |
23.1 | 24.8 | 26.5 | 29.2 | 32 | 32.8 | 33.1 | 32.1 | 30.5 | 29.3 | 28.7 | 26.1 |
| Rainfall cm | 15.3 | 10.1 | 0.3 | 0.1 | 1.3 | 4.5 | 6.1 | 10.2 | 10.5 | 20.1 | 16.8 | 19.0 |
- Calculate the annual rainfall experienced by the station.
- Suggest the name of this station, giving a reason for your answer.
- Name the season during which the rainfall is heaviest.
State the climatic significance of the Himalayas to the people of South Asia.
Or
Describe the two ways in which the Himalayas influence the climate of India.
Name the areas receiving very heavy rainfall on account of favourable situation of a mountain
Give one example of ‘Rain Shadow’ areas in India.
Write a note on the uneven distribution of rainfall in India.
Name two rainiest stations.
Name two driest stations.
