The IMD said in a statement:"Southwest monsoon has set in over Kerala today i.e. 30th May 2017. It has also advanced into some parts of northeastern states (some parts of Nagaland, Manipur, Mizoram and Arunachal Pradesh."
Southwest monsoon has further advanced into some more parts of south Arabian Sea, remaining parts of Maldives –Comorin area, southern parts of Lakshadweep area, Kerala and Tamil Nadu, some more parts of southwest Bay of Bengal, remaining parts of southeast Bay of Bengal, some parts of west central Bay of Bengal, most parts of east central and northeast Bay of Bengal and some parts of Nagaland-Manipur-Mizoram and Arunachal Pradesh.
Conditions are favourable for further advance of southwest monsoon into remaining parts of south Arabian Sea, Lakshadweep area and Kerala, some parts of central Arabian Sea, coastal & south interior Karnataka, some more parts of Tamil Nadu, southwest, west central & east central Bay of Bengal, most parts of northeast Bay of Bengal and some more parts of northeastern states during next 3- 4 days, the IMD said.