2012 Southwest monsoon end of-season report
This year, the arrival of southwest monsoon current over the south Bay of Bengal and south Andaman Sea was delayed by 3 days due to non-conducive conditions for the development of convection over the region and it set in over the region on 23rd May. With the strengthening of cross equatorial flow over the Arabian Sea from 4th June, the rainfall activity over Kerala increased and the monsoon set in over Kerala on 5th June. The SW Monsoon also covered remaining parts of south Arabian Sea, southern parts of central Arabian Sea, remaining parts of Maldives-Comorin areas, entire Kerala, some parts of coastal Karnataka and south Tamil Nadu and some more parts of south & east central Bay of Bengal on 5th June itself.