With northeast monsoon season's first cyclone likely to form over the Bay of Bengal on Wednesday, IMD has upgraded its rain alert for Chennai.

A deep depression in the southwest Bay of Bengal is forecasted to develop into a cyclone by Wednesday. It will likely move towards Tamil Nadu, while closely missing the Sri Lankan coast, according to the India Meteorological Department.

Once intensified, the storm will be identified as Fengal, a name proposed by Saudi Arabia. This is the second cyclone in the post-monsoon season to affect the Indian coast after Cyclone Dana, which crossed Odisha as a ‘severe’ category storm in late October.

If the deep depression intensifies into a cyclone, it will be named as Fengal, according to the rules of the World Meteorological Organisation (WMO) on naming cyclones.

The Regional Meteorological Centre, Chennai said the depression over southwest Bay of Bengal has now intensified into a deep depression, and that it may intensify further into cyclone Fengal on November 27,

A deep depression in the Bay of Bengal is intensifying and expected to become a cyclonic storm, named Fengal, by November 27. It's currently southeast

The system is expected to develop into a cyclonic storm within 24 hours, with potential landfall along Tamil Nadu's coast by the end of the week.

The IMD warns that a deep depression over the Southwest Bay of Bengal is likely to strengthen into a cyclonic storm within 24 hours, potentially impacting Tamil Nadu's coast. Authorities urge readiness and caution as the system develops.

According to the India Meteorological Department (IMD), the depression in the southeast Bay of Bengal and the adjoining East Equatorial Indian Ocean will turn into a deep depression in the next 24 hours.

The latest bulletin from the IMD suggests that this depression is likely to intensify into a deep depression within the next 24 hours.