Bengaluru, Karnataka State Natural Disaster Monitoring Center (KSNDMC) has issued a red alert for coastal Karnataka, where extremely heavy rainfall is likely to occur on June 22.

It also said that thunderstorm with lightning and strong winds (30-40 kmph) is likely to occur at isolated places across the state.

As per KSNDMC advisory, isolated heavy rainfall is also likely over some areas of Krishna basin between June 23 and June 26.

The India Meteorological Department (IMD) has also issued a weather forecast stating that heavy to very heavy rainfall is likely over coastal and adjoining districts of interior Karnataka.

However, Southwest Monsoon has advanced into some more parts of Maharashtra, remaining parts of Vidarbha, some parts of Madhya Pradesh, some other parts of Chhattisgarh and Odisha, some parts of Gangetic West Bengal, remaining parts of Sub-Himalayan West Bengal . It said that between June 21 and June 25, heavy to very heavy rainfall is likely over parts of Jharkhand and coastal and adjoining districts of interior Karnataka.

Along with strong winds, there is also a possibility of landslides.

"In fact, we are expecting heavy to very heavy rainfall over the entire state from June 23," IMD Bengaluru director CS Patil said.