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Delhi and its neighbouring states, including Uttar Pradesh, Punjab, Haryana and Rajasthan will likely see rainfall after Christmas from December 26 to 28. If the forecast holds, it could provide a respite for the people in these places, particularly Delhi, which has been seeing pollution levels ranging between ‘very poor’ and ‘severe’ for the past few days.
The rain is expected due to the interaction of a western disturbance in the region and a low-pressure area over the Bay of Bengal.
Western disturbance refers to a storm originating in the Mediterranean region that brings sudden winter rain to the northwestern parts of India and its neighbouring countries. It will likely enter India on December 26. The western disturbance will form a cyclonic circulation over Rajasthan and other states on December 27.
The interaction of the two wind systems is expected to facilitate high moisture from both the Arabian Sea and the Bay of Bengal, and may persist until December 28.
This will likely result in rainfall and snowfall over the western Himalayan region, particularly peaking on December 27 and 28. The plains of northwest India, including Delhi, and adjoining central areas will also experience rain on these dates.
Thunderstorms accompanied by hailstorms are expected across Punjab, Haryana, western Uttar Pradesh, Rajasthan and Madhya Pradesh on December 27 and 28.
