Q. Which of the following is / are correct statements with respect to the western disturbances? Westerlies cause Western Disturbance in Indian Subcontinent Western Disturbance causes sudden winter rain and snow to the northwestern parts of the Indian subcontinent Western Disturbance originates in Arabian Sea Select the correct option from the codes given below:
Answer: Only 1 & 2
Notes:

1. Westerlies cause Western Disturbance in Indian Subcontinent - Correct. Western disturbances are extra tropical storms originating in the Mediterranean region that bring sudden winter rain/snow to the northwestern parts of India. They are brought in by the westerly jet stream.
2. Western Disturbance causes sudden winter rain and snow to the northwestern parts of the Indian subcontinent - Correct. The effects of western disturbances are felt in northern India and parts of Pakistan. They bring rainfall and snowfall to these regions.
3. Western Disturbance originates in Arabian Sea - Incorrect. As mentioned, western disturbances originate in the Mediterranean region and travel eastwards under influence of the westerlies. They do not originate in the Arabian Sea.

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