From high temperatures to inflow of warm river water, India Today delves into the many factors that make the Bay of Bengal prone to cyclones as Dana nears.

Kolkata: More than 1.59 lakh people were evacuated from low-lying areas in West Bengal's coastal districts till Thursday afternoon and another two-lakh people were likely to be shifted as severe cyclone Dana with wind gusts of up to 120 km per hour was expected to make landfall between Thursday midnight and Friday morning on the east coast.

IMD has issued an alert as Cyclonic Storm ‘Dana’ intensified over the Bay of Bengal, with landfall expected in Odisha and West Bengal on October 25. Authorities prepared for potential heavy rains, strong winds,