India, June 5 -- The Southwest Monsoon officially set in over Kerala on June 4, arriving three days later than its normal onset date of June 1. The India Meteorological Department (IMD) clarified that the delay falls within the standard deviation range and does not indicate any unusual monsoon behaviour.

The weather department has forecast isolated heavy to very heavy rainfall ranging from 7 cm to 20 cm across Kerala and Karnataka until June 11. Tamil Nadu is also expected to receive heavy rainfall during the same period, while northeastern states are likely to witness continued heavy to very heavy precipitation over the next five days.

In Kerala, persistent rainfall has led to waterlogging and flooding in several low-lying areas. The I...