After witnessing an elongated fog free period, parts of Delhi and its adjoining regions of Noida, Faridabad, Ghaziabad and Gurugram witnessed moderate to dense fog on Thursday morning. In fact, isolated chunks of the national capital woke up to very dense fog cover as well.
This year, the famous Delhi fog had failed to make an appearance during the thick of the season. After December 31, this is the second spell of dense fog for the national capital. In fact, Palam and parts of South Delhi remained fog free today as well.
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These weather conditions could be attributed to the fresh Western disturbance that is affecting the Western Himalayas. This system has also induced a cyclonic circulation over Punjab and adjoining area, resulting in the change of wind direction across the region.
The dry and cold northwesterly winds were swapped by relatively warm and humid southeasterly winds. These winds have increased the humidity levels over the region. So, with the presence of increased humidity, light winds and already low minimums, dense fog made a comeback to the city.
On January 17, Palam Observatory in Delhi witnessed a maximum of 24.2°C and minimum of 8.1°C. Similarly, Safdarjung recorded a maximum of 23.1°C, and minimum of 5.6°C.
Prior to this weather situation, fog abated Delhi in the wake of uninterrupted flow of dry and moderate northwesterly winds, which did not let the fog layer to engulf the city.
Now, Met officials at Skymet Weather are of the view that the Western Disturbance will move away by tomorrow and its induced circulation will also dissipate. In consequence to this, again the wind direction will change and dry and cold northwesterly winds will commence again over the region.
The wind speed will pick up pace that would lead to reduction in the humidity levels and thus the visibility over the region will improve in the coming days. Delhi is likely to become fog free again, with clear sky and bright sunshine during the afternoon hours.
Image Credit: delhitourism
Any information taken from here should be credited to skymetweather.com