New Delhi: The ongoing intense rainfall spell over the west coast particularly Konkan, Goa and Gujarat is expected to reduce from Friday while rainfall activity is likely to increase over northern parts of the country from July 9, India Meteorological Department (IMD) said.
The monsoon trough is lying to the south of its normal position. There is an east-west shear zone is running roughly along South Peninsular India.
The off-shore trough at mean sea level is running from south Gujarat coast to north Kerala coast.
A cyclonic circulation is lying over Gangetic West Bengal and adjoining north Odisha in lower tropospheric levels.
A cyclonic circulation is also lying over northeast Arabian Sea adjoining Gujarat coast and a western disturbance is also impacting the Western Himalayan region.
All these weather systems are leading to monsoon surge over the west coast and north India, meteorologists said.