Dense fog to persist in UP until Dec 20, Red alert issued in some districts

Lucknow, Dec. 17 -- The India Meteorological Department (IMD) has issued a warning regarding dense to very dense fog and cold day conditions in Uttar Pradesh between December 17 and 20, 2025.

The department has declared a red alert for some districts and orange and yellow alerts for others. According to the Meteorological Department, the intensity of fog in Uttar Pradesh has increased due to an anti-cyclone over western India and surrounding areas and the active western jet stream in the upper atmosphere.

According to IMD scientist Dr. A K Singh, the inversion layer at lower levels is causing the cold air to persist, resulting in no significant change in minimum temperatures, while day temperatures have dropped. In many places, the maximu...