GUWAHATI, May 30 - The long range forecast for the 2018 southwest (SW) monsoon rainfall made by the India Meteorology Department (IMD) today has stated that rainfall over the country between June and September is most likely to be normal that is 96 to 104 per cent of the long period average (LPA).
The SW monsoon had set in over Kerala yesterday and it is expected that during the next 48 hours, it will arrive in the northeastern region of the country.
The IMD has maintained that quantitatively, monsoon season rainfall for the country, as a whole, during the above period, is likely to be 97 per cent of the LPA with a model error of plus-minus four per cent. Region-wise, it said, the seasonal rainfall is likely to be 100 per cent of the LPA over Northwest India, 99 per cent of the LPA over Central India, 95 per cent of the LPA in South Peninsula and 93 per cent of the LPA over Northeast India, all with a model error of plus-minus eight per cent.
Moreover, the monthly rainfall over the country as a whole is likely to be 101 per cent of its LPA during July and 94 per cent of the LPA during August, both with a model error of plus-minus nine per cent, said the IMD in its forecast. The SW monsoon today further advanced into remaining parts of Kerala and some parts of central Arabian Sea, Karnataka and Tamil Nadu, the IMD said.