Since last many days, dry and pleasant weather during the day, while marginally cool nights are continuing over Delhi-NCR region. However, these prevailing conditions have failed to bring any positive change in pollution over Delhi as it continues to remain under very poor category.
Further, this hazardous pollution is likely to increase marginally in the days to come, as a result of a Western Disturbance that would be approaching soon.
At present, this Western Disturbance is over northern parts of Pakistan and Afghanistan region. Moreover, its induced Cyclonic Circulation is seen over East-central parts of Pakistan and adjoining Northwest Rajasthan.
As both these weather systems are moving in East- North east direction, the surface winds are likely to change gradually, thereby increasing the clouding over Delhi-NCR.
Further, the temperature pattern will change and increase as a result of these approaching systems, most probably around December 11.
However, these temperatures will further decrease as a result of change in northwesterly air masses . In the coming days, shallow to moderate patchy fog may form over Delhi- NCR region during morning hours. The maximums are likely to remain around 22℃-25℃ while minimums would settle around 9℃-11℃.
Moreover, short spell of very light patchy rain may occur in some pockets of Delhi NCR around December 11. However, these rains will not result in bringing any change in pollution level and will cause smog to continue gripping the city.
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