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प्रश्न
What are ‘Western Disturbances’?
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उत्तर
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.
संबंधित प्रश्न
Give geographical reasons for each of the following
Kanpur has extreme temperature conditions.
‘Rainfall decreases as one travels up the Ganges Valley.’ Why?
The Coromandel coast has more rainy months but less rainfall than the Konkan Coast. Why?
Kanyakumari is the first to receive the south-west monsoon stream and the last to see its retreat.
When the Malabar coast is receiving heavy rainfall in July, the Tamil Nadu coast is comparatively dry.
Study the climatic data provided below and answer the questions that follow:
| Month | Jan | Feb | Mar | Apr | May | June | Jul | Aug | Sep | Oct | Nov | Dec |
| Station A (sea level) | ||||||||||||
| Temperature (°C) | 24.4 | 28.4 | 20.7 | 29.3 | 30.0 | 29.9 | 29.8 | 27.8 | 26.9 | 26.3 | 25.1 | 24.8 |
| Rainfall (cm) | 0.1 | 0.1 | 0.5 | 0.6 | 3.8 | 26.6 | 29.6 | 30.5 | 26.5 | 11.9 | 1.1 | 0.2 |
| Station B (800 m above sea level) | ||||||||||||
| Temperature (°C) | 8.1 | 8.9 | 15.6 | 20.1. | 25.2 | 24.3 | 24.1 | 22.7 | 20.6 | 18.4 | 14.1 | 9.6 |
| Rainfall (cm) | 0.4 | 0.3 | 0.3 | 1.1 | 1.3 | 3.2 | 7.7 | 1.3 | 5.8 | 0.7 | 0.4 | 0.3 |
- Calculate the annual range of temperature of Station A Suggest a reason why the range is small one.
- Which of the two Stations has the lower temperature? Why?
- Calculate the annual rainfall of Station B.
Name the state of Indian Union where the rainy season is very short?
Name the regions of moderate rainfall in India.
What is the direction of the summer monsoon on the Indo-Gangetic Plain?
Now find out
Why is July rainier in Mumbai than in Thiruvananthapuram?
