According to the IMD, heavy to very heavy rainfall is expected in isolated regions of Chennai, Tiruvallur, Chengalpattu, Villuppuram and Kancheepuram on November 28 and 29. Light to moderate rainfall with thunderstorms and lightning is likely in a few regions of Tamil Nadu, Karaikal, and Puducherry.

The India Meteorological Department (IMD) issued a warning that a deep depression over the Bay of Bengal is likely to intensify into Cyclone Fengal by 27 November. The depression, located 770 km south-southeast of Chennai,

India Meteorological Department said the depression over Bay of Bengal is likely to intensify into a deep depression.

Tamil Nadu government has declared a holiday for schools and colleges today in several districts including Chennai.

Due to the Fengal cyclone forming in the Bay of Bengal, heavy rain is expected in Tamil Nadu's coastal districts. The low-pressure area in the Bay of Bengal has intensified into a deep depression. It is expected to move west-northwest and strengthen into a cyclone tomorrow.

A deep depression in the Bay of Bengal has prompted a red alert for several districts in Tamil Nadu, with coastal regions bracing for heavy rainfall. Schools and colleges are closed, and officials have deployed resources to manage potential flooding.

The weather department has issued a red alert for Mayiladuthurai, Karaikal, Thiruvarur, and Nagapattinam. Several other districts are under orange alert.