Impact of Indian Ocean warming on increasing trend in pre-monsoon rainfall and Hadley circulation over Bay of Bengal

In the present manuscript, we analyzed the pre-monsoon (March–April–May) rainfall over the Indian summer monsoon region using the Global Precipitation Climatology Project (GPCP) rainfall datasets during 1979–2015. It is found that the rainfall over the Bay of Bengal (BOB) has increased significantly and it is associated with the strengthening of local Hadley circulation over the BOB. The increasing Sea Surface Temperature (SST) over the Indian...