CHENNAI: The India Meteorological Department said on Tuesday that conditions are favourable for further withdrawal of Southwest Monsoon from remaining parts of the country during next 2 days. Simultaneously with the setting in of easterly Northeasterly winds over southern peninsular India and south and adjoining central Bay of Bengal, the Northeast Monsoon rainfall activity is likely to commence over southeast peninsular region during the same period.
An Upper Air Cyclonic Circulation lies over Southwest Bay of Bengal and adjoining and Indian
Equatorial Ocean upto 3.1 km above mean sea level (MSL). It is likely to move westnorthwestwards towards Comorin area. Under its influence, a low pressure area is likely to form over southeast Arabian Sea adjoining Lakshadweep area off Kerala-south Karnataka coasts around 19th October, 2025, IMD said in its bulletin.
Yesterday’s Upper Air Cyclonic Circulation over Southwest Bay of Bengal andadjoining South Tamil
Nadu coast persists and now seen between 1.5 and3.1 km above mean sea level has become less
marked.
Yesterday’s Upper Air Cyclonic Circulation lies over Coastal Andhra Pradesh andneighbourhood at
0.9 km above mean sea level has become less marked.
III)
forecast and warnings for Tamil Nadu and Puducherry for the next 7 days:
Day 1 (14.10.2025)
Light to moderate rain is likely to occur at many places over South Tamilnadu, at a few places over North Tamilnadu and over Puducherry andKaraikal area with thunderstorm and lightning at one or two places.
Heavy rain is likely to occur at isolated places over Ghat areas of Coimbatore, Nilgiris, Theni, Tenkasi, Tirunelveli, Kanyakumari, Thoothukudi, Ramanathapuram, Sivaganga, Pudukkottai, Mayiladuthurai,
Cuddalore, Villuppuram, Chengalpattu, Kancheepuram andErode Districts and Puducherry.
Day 2 (15.10.2025)
Light to moderate rain at many places with thunderstorm andlightning at one or two places is likely to occur over Tamilnadu, Puducherry andKaraikal area.
Heavy rain is likely to occur at isolated places over Ghat areas of Coimbatore Nilgiris, Dindigul, Theni, Virudhunagar, Madurai, Sivaganga, Ramanathapuram, Thoothukudi, Tenkasi, Tirunelveli and Kanyakumari districts.
Day 3 (16.10.2025)
Light to moderate rain at many places with thunderstorm andlightning at one or two places is likely to occur over Tamilnadu, Puducherry andKaraikal area.
Heavy rain is likely to occur at isolated places over Ghat areas of Coimbatore, Nilgiris, Dindigul, Theni, Tenkasi, Madurai, Sivaganga, Virudhunagar, Ramanathapuram, Thoothukudi, Tirunelveli, Kanyakumari,
Pudukkottai, Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai and Karaikal area.
Day 4 (17.10.2025)
Light to moderate rain at many places with thunderstorm andlightning at one or two places is likely to occur over Tamilnadu, Puducherry andKaraikal area.Heavy rain is likely to occur at isolated places over Kanyakumari, Tirunelveli, Thoothukudi, Tenkasi, Virudhunagar, Madurai, Sivaganga,
Ramanathapuram, Pudukkottai, Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai districts and Karaikal area.
Day 5 (18.10.2025) Light to moderate rain at many places with thunderstorm andlightning at one or
two places is likely to occur over Tamilnadu, Puducherry andKaraikal area.
Nilgiris, Coimbatore, Tiruppur, Erode, Dindigul, Theni, Virudhunagar, Madurai, Sivaganga, Tenkasi, Ramanathapuram, Thoothukudi, Tirunelveli and Kanyakumari districts.
Day 6 (19.10.2025)
Light to moderate rain is likely to occur at a few places over Tamilnadu, Puducherry andKaraikal area.
Nilgiris, Coimbatore, Tiruppur, Theni, Tenkasi, Tirunelveli andKanyakumari districts.
Day 7 (20.10.2025)
Light to moderate rain is likely to occur at a few places over Tamilnadu, Puducherry andKaraikal area.
Nilgiris, Coimbatore, Tiruppur, Theni and Dindigul districts.
Heavy rainfall warning
Day 1 (14.10.2025)
Heavy rain is likely to occur at isolated places over Ghat areasof Coimbatore, Nilgiris, Theni, Tenkasi, Tirunelveli, Kanyakumari, Thoothukudi, Ramanathapuram, Sivaganga, Pudukkottai, Mayiladuthurai,
Cuddalore, Villuppuram, Chengalpattu, Kancheepuram andErode Districts and Puducherry area.
Day 2 (15.10.2025)
Heavy rain is likely to occur at isolated places over Ghat areas of Coimbatore Nilgiris, Dindigul, Theni, Virudhunagar, Madurai, Sivaganga, Ramanathapuram, Thoothukudi, Tenkasi, Tirunelveli and Kanyakumari districts.
Day 3 (16.10.2025)
Heavy rain is likely to occur at isolated places over Ghat areas of Coimbatore, Nilgiris, Dindigul, Theni, Tenkasi, Madurai, Sivaganga, Virudhunagar, Ramanathapuram, Thoothukudi, Tirunelveli, Kanyakumari,
Pudukkottai, Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai, Cuddalore districts and Karaikal area.
Day 4 (17.10.2025)
Heavy rain is likely to occur at isolated places over Kanyakumari, Tirunelveli, Thoothukudi, Tenkasi, Virudhunagar, Madurai, Sivaganga, Ramanathapuram, Pudukkottai, Thanjavur, Tiruvarur, Nagapattinam,
Mayiladuthurai districts and Karaikal area.
Day 5 (18.10.2025)
Heavy rain is likely to occur at isolated places over Nilgiris, Coimbatore, Tiruppur, Erode, Dindigul, Theni, Virudhunagar, Madurai, Sivaganga, Ramanathapuram, Thoothukudi, Tenkasi, Tirunelveli and Kanyakumari districts.
Day 6 (19.10.2025) Heavy rain is likely to occur at isolated places over Nilgiris, Coimbatore,
Tiruppur, Theni, Tenkasi, Tirunelveli and Kanyakumari districts.
Day 7 (20.10.2025) Heavy rain is likely to occur at isolated places over Nilgiris, Coimbatore,
Tiruppur, Theni and Dindigul districts.
Thunderstorm warning
Day 1 (14.10.2025) to Day 5 (18.10.2025)
Thunderstorm andlightning is likely to occur at one or two places over Tamilnadu, Puducherry and Karaikal area, IMD said.
