The Chennai Regional Meteorological Centre said a deep depression over the central-east and adjoining southeast Bay of Bengal continues to persist in the same region.
According to the bulletin, the system is likely to intensify into a cyclone on October 26 and further strengthen into a severe cyclonic storm on October 27. It may become a very severe cyclonic storm and could cross the coast between Bapatla and Visakhapatnam.
For October 25, a red alert was issued for extremely heavy rainfall in Pudukkottai, Thanjavur, Ariyalur, Perambalur and Tiruchirappalli. Very heavy rain is also likely in several districts including Nilgiris, Coimbatore, Tiruppur, Karur, Dindigul, Madurai, Sivaganga, Ramanathapuram, Salem, Namakkal, Kallakurichi, Cuddalore, Mayiladuthurai, Tiruvarur, Nagapattinam and Villupuram.
Moderate rain may occur in Tenkasi, Thoothukudi, Tirupathur, Vellore, Ranipet and Tirunelveli. For October 26, very heavy rain is forecast in Pudukkottai, Sivaganga and Ramanathapuram, while heavy rain is likely in Kanyakumari, Tirunelveli, Thoothukudi, Tenkasi, Virudhunagar, Madurai, Theni, Dindigul, Karur, Tiruchirappalli, Thanjavur, Tiruvarur and Nagapattinam.
The bulletin added that Ramanathapuram may receive heavy rain with thunder on October 27, and that moderate rain is possible in the Western Ghats districts from October 28 to 31.
