Chennai, Oct. 22 -- As the Low Pressure Area over Southwest Bay of Bengal adjoining Tamil Nadu has enhanced the intensity of Northeast monsoon rains across the state, yet another system will form over North Andaman sea tomorrow, promising even more heavy showers till October 26, with Chennai and its adjoining districts set to receive enhanced rainfall activity for 2-3 days from Saturday.

The upper air cyclonic circulation over Gulf of Thailand and adjoining Thailand and Myanmar has emerged into the North Andaman Sea. It is very likely to move west-northwestwards and under its influence a second Low Pressure area will form tomorrow, which would move northwestwards and intensify further. Met officials said it would concentrate into a Depress...