With reference to the 'Western Cyclonic Disturbances', consider the following statements: 1. They originate over the Bay of Bengal. 2. They move into India along with the westerly flow. 3. They are responsible for winter rains over the plains and snowfall in the mountains. Which of the statements given above is/are correct?

Correct Option The correct option is (c). Explanation Western Cyclonic Disturbances are weather phenomena of the winter months characterized by shallow cyclonic depressions (extra-tropical cyclones). They are distinct from the tropical cyclones that typically affect the Indian coast. Statement-wise Analysis - Statement 1 is Incorrect: Western Cyclonic Disturbances do not originate over the Bay of Bengal. They originate over the Mediterranean Sea and adjacent regions (such as the Caspian Sea and Black Sea). - Statement 2 is Correct: These disturbances travel eastwards across West Asia, Iran, Afghanistan, and Pakistan to enter the Indian subcontinent. Their movement is driven by the Sub-tropical Westerly Jet Stream (westerly flow). - Statement 3 is Correct: They are responsible for precipitation during the winter season in the northwestern parts of India. This manifests as rainfall over the plains (crucial for Rabi crops like wheat) and snowfall in the Himalayan mountains. Key Takeaway: Western Disturbances are temperate cyclones originating in the Mediterranean region, transported by Westerlies, causing winter precipitation in Northwest India.

With reference to the 'Western Cyclonic… - NCERT Class 9 Geography MCQ

NCERT Class 9 Geography — Chapter 1: Climate

mcqmedium

With reference to the 'Western Cyclonic Disturbances', consider the following statements:

They originate over the Bay of Bengal.
They move into India along with the westerly flow.
They are responsible for winter rains over the plains and snowfall in the mountains.

Which of the statements given above is/are correct?

NCERT textbook question

From NCERT Contemporary India - I · Page 3

Options

A1 and 2 only
B2 only
C2 and 3 only
D1, 2 and 3

Did you get this right?

Solution

Correct Option

The correct option is (c).

Explanation

Western Cyclonic Disturbances are weather phenomena of the winter months characterized by shallow cyclonic depressions (extra-tropical cyclones). They are distinct from the tropical cyclones that typically affect the Indian coast.

Statement-wise Analysis

Statement 1 is Incorrect: Western Cyclonic Disturbances do not originate over the Bay of Bengal. They originate over the Mediterranean Sea and adjacent regions (such as the Caspian Sea and Black Sea).
Statement 2 is Correct: These disturbances travel eastwards across West Asia, Iran, Afghanistan, and Pakistan to enter the Indian subcontinent. Their movement is driven by the Sub-tropical Westerly Jet Stream (westerly flow).
Statement 3 is Correct: They are responsible for precipitation during the winter season in the northwestern parts of India. This manifests as rainfall over the plains (crucial for Rabi crops like wheat) and snowfall in the Himalayan mountains.

Key Takeaway: Western Disturbances are temperate cyclones originating in the Mediterranean region, transported by Westerlies, causing winter precipitation in Northwest India.

Your note

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Which of the following best explains the term 'Continentality'?

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India lies in the region of which of the following surface winds?

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Which one of the following places receives the highest average rainfall in the world?

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