India, April 12 -- Low-pressure systems are a common meteorological phenomenon over the Bay of Bengal, significantly influencing the weather patterns of eastern India, particularly Odisha.

While these systems often lead to substantial rainfall and are crucial for the region's agricultural activities, the summer of 2025 has witnessed unusually weak low-pressure systems, resulting in deficient rainfall and here is why.

Formation of Low-Pressure Systems Over Over Bay of Bengal Low-pressure systems affecting Odisha primarily originate in the Bay of Bengal due to a combination of warm sea surface temperatures, atmospheric instability, and the presence of the monsoon trough.

The Bay of Bengal's warm waters, especially during the pre-monsoon ...