The Indian Meteorological Department (IMD) was established in: MCQ with Answer and Explanation

Explanation:
The Arctic Oscillation is a large-scale pattern of sea level pressure differences between the Arctic and the rest of the Northern Hemisphere.

Explanation:
Western Disturbances are most active during the winter season (December to February), bringing essential rainfall and snowfall to the northern and northwestern parts of India.

Explanation:
A cold front is the boundary between a cold air mass and a warm air mass, where the cold air pushes under the warm air, causing rapid temperature drops, heavy rain, and strong winds.