Western disturbances bring rainfall mainly in:

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A. Summer A.

B. Winter B.

C. Monsoon C.

D. Autumn D.

Western disturbances bring rainfall mainly in the B) Winter.

Key Details about Western Disturbances and winter rain:

Origin: Western disturbances are low-pressure systems that pick up moisture from the Mediterranean, Black, and Caspian Seas.
Movement: They are steered towards the Indian subcontinent by the high-altitude subtropical westerly jet stream.
Rainfall: When these moisture-laden winds encounter the Himalayan mountains, the forced uplift causes them to shed their moisture.
Impact: This precipitation is a vital source of winter rainfall for the northwestern plains (like Punjab and Haryana) and snowfall for the Himalayas. It is crucial for the success of winter crops, such as wheat.

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