The India Meteorological Department has issued a red alert for rain for Mayiladuthurai, Nagapattinam and Thiruvarur districts in Tamil Nadu and Karaikal in Puducherry.

The IMD has sounded a red alert for districts in Tamil Nadu's Mayiladuthurai, Karaikal, Tiruvarur, and Nagapattinam for November 26, forecast heavy to very heavy rainfall.

Seven teams from the 4th Battalion of the NDRF including two canine units 30 rescuers per team have been mobilised in anticipation of heavy to very heavy ra

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.

The deep depression lay about 310 km southeast of Trincomalee, 590 km south-southeast of Nagappattinam, 710 km south-southeast of Puducherry and 800 km south-southeast of Chennai

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 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,

CHENNAI: With a weather system intensifying into a depression over the Bay of Bengal, the IMD on Monday issued a red alert for extremely heavy rainfall in three central districts on November 26 and two more districts on November 27.

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