GENERAL KNOWLEDGE

Detailed explanation-1: -Western disturbances cause rainfall during winter in the north western part of india. This is a pattern driven by Westerlies. Western Disturbances are important to the development of the Rabi crop in the northern subcontinent, which includes the locally important staple wheat.

Detailed explanation-2: -Western disturbance is an extratropical storm that originates from the Mediterranean region. This storm brings sudden winter rain to the northwestern parts of India such as the states of Punjab, Haryana, Gujarat, and Rajasthan.

Detailed explanation-3: -Kerela and Tamil Nadu are the parts of India which recieve winter rainfall because these are the coastal regions found in the South which is affected by Western disturbances.

Detailed explanation-4: -During the winter season, north-east trade winds prevail over India. They blow from land to sea and hence, for most part of the country, it is a dry season. These cause winter rains over the plains and snowfall in the mountains.