Cyclone Amphan hit coastal West Bengal and Bangladesh on 20 May 2020. It was the first supercyclone to form in the Bay of Bengal since 1999 and one of the fiercest to hit West Bengal, India, in the last 100 years. The cyclone intensified from a cyclonic storm  to a supercyclone  in less than 36 hours . Several hours before and on 20 May, extreme rain events resulted in heavy cumulative rainfall, flash flooding and landslides in several adjoining districts . As per the initial estimates, about 1600 km2 area in the mangrove forests of Sundarbans were damaged, and over 100 lives were lost. Earlier cyclones in the region have shown that impacts of these events are gendered . The cyclone damage was somewhat lessened due to the delta's mangroves . The estimated damage was USD 13.5 billion. Cyclone Amphan was the largest source of displacement in 2020, with 2.4 million displacements in India alone, of which 800,000 were pre-emptive evacuations by authorities
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Climate Change 2022: Impacts, Adaptation and Vulnerability
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