NEW DELHI || The India Meteorological Department forecast suggests that the onset of Southwest monsoon this year over Kerala is likely to be slightly delayed. The statistical model used by IMD, for predicting the onset of monsoon, indicates that the southwest monsoon is likely to set over Kerala on 7th June with a model error of ± 4 days.
The onset of southwest monsoon over Kerala signals the arrival of monsoon over the Indian subcontinent and represents beginning of rainy season over the region. The normal monsoon onset over Kerala is 01 June.
Since 2005, India Meteorological Department (IMD) has been issuing operational forecasts for the date of monsoon onset over Kerala using an indigenously developed statistical model with a model error of ± 4 days.