After a widespread rainy spell, since the last 48 hours, dry weather conditions are prevailing over Delhi and its nearby areas such as Noida, Gurugram, Faridabad and Ghaziabad.
In fact, due to mixing of cold and moist air, sky conditions over Delhi-NCR were also obscured during the early morning hours. In the wake of an active Western Disturbance, minimums over the region have decreased by 2˚C to 4˚C.
Moreover, due to the presence of light to moderate winds, pollution levels over Delhi-NCR have improved marginally. The AQI over most parts of the city was under moderate category.
Presently, another active Western Disturbance and its induced cyclonic circulation lie over northern and central parts of Pakistan region. Both these weather systems are moving east/northeastwards. Subsequently, in quick succession another Western Disturbance will be affecting from February 20 over Northwest India, including Delhi-NCR.
Now, during the next 24 to 36 hours, mainly dry weather with shallow fog during early morning hours will prevail over Delhi and its nearby areas such as Noida, Gurugram, Faridabad and Ghaziabad.
Thus, due to the presence of one after another active Western Disturbances, rain and thundershowers will occur over Delhi-NCR between February 18 to 22. On 21 February, rains will increase over the region and during that time, we expect moderate rains accompanied with hailstorm activity over entire Delhi-NCR.
Due to these rains and extensive clouding, day temperatures will decrease. Between February 18 to 20, pollution levels will also increase but around February 21, pollution is expected to get washed away.
Further, February 22 onwards, weather will start clearing up over most parts of North and Northwest India including the national capital region.
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