Cyclone Ditwah HIGHLIGHTS: Depression moves inland, heavy rain alert for Chennai
The system is bringing continuous heavy to extremely heavy rainfall, gusty winds of 40–60 km/h, and widespread waterlogging across coastal areas.

Water stagnated in the main road
CHENNAI: Coastal Tamil Nadu and certain interior parts in the state experienced widespread rain on Wednesday as the depression weakened into a well-marked low-pressure area. Chennai, Thiruvallur are and Chengalpattu to receive heavy rains, said IMD.
IMD has announced an orange alert for 7 districts - Chennai, Thiruvallur, Chengalpattu, Kancheepuram, Ranipet, Nilgiris and Coimbatore.
Yellow alert for, Ariyalur, Perambalur, Thanjavur, Tiruvarur, Nagapattinam, Pudukottai, Tiruchirapalli, Ramanathapuram, Theni, Thenkasi, Tirunelveli and Karaikal.
“The depression (remnant of cyclonic storm Ditwah) over southwest Bay of Bengal and adjoining north Tamil Nadu-Puducherry coasts moved slowly southwestwards and weakened into a well-marked low-pressure area over north Tamil Nadu-Puducherry coasts and neighbourhood,” the IMD said.
It was very likely to continue to move southwestwards slowly across north coastal Tamil Nadu and Puducherry and weaken further into a low-pressure area during the next 24 hours, the weather office said in its bulletin associated with this system.
Villupuram, Cuddalore, Tiruvannamalai too experienced heavy frequent spells with brief intervals, as the depression moved inland.
Live Updates
- 2 Dec 2025 12:35 PM IST
Deep depression expected to recurve towards Chennai, 4 districts likely to receive heavy spells
- Four districts, including Chennai, are likely to receive heavy rain as the deep depression over Bay of Bengal and north Tamil Nadu is expected to recurve towards south Chennai, the weather office said on Tuesday.
- Heavy spells accompanied by moderate thunderstorms with maximum wind velocity of 40 - 60 kmph are likely in Tiruvallur, Chennai, Kancheepuram and Chengalpattu districts, the IMD said in its latest bulletin.
- Overnight rain with strong winds made the tree branches fall in several places in the city, and several parts were heavily inundated. Chennai and its suburbs continued to experience steady rain since morning.
- Ennore received a maximum of 26 cm of rainfall while Pallikaranai received a minimum of 10.5 cm in the last 24 hours.PTI
- 2 Dec 2025 11:32 AM IST
Deep depression weakens to depression off Chennai coast, says RMC
- Greater Chennai Corporation's 24-hour cumulative rainfall data ended at 5:30 am said that the above 20 cm rainfall received in five places in the city, Parrys stood high with 26.5 cm, followed by Ennore 26.4, Ice House 23.1 cm and Basin Bridge 20.7 cm.
- The weather department said “the deep depression of remnant of Cyclonic Storm Ditwah over southwest Bay of Bengal and North Tamil Nadu and South Andhra Pradesh coasts recurved slowly southwestwards with the speed of three kilometres per hour during the past 6 hours, weakened into a Depression and lay centred about 40 km east-southeast of Chennai at 5:30 am today. The minimum distance of the Centre of the depression from the north Tamil Nadu-Puducherry coasts is about 25 km.”
- Further, it is likely to continue to move slowly southwestwards towards the north Tamil Nadu-Puducherry coasts and maintain its intensity of depression during the next 12 hours. Thereafter, while moving towards the coast, it is likely to weaken into a well-marked low-pressure area over the subsequent 12 hours.
ALSO READ: Cyclone Ditwah: Deep depression weakens to depression off Chennai coast, says RMC - 2 Dec 2025 7:54 AM IST
Red Alert for 4 TN districts
- Red alert for Chennai, Tiruvallur, Chengalpattu and Kancheepuram
- Yellow alert for Ranipet, Tirupattur, Villupuram, Cuddalore, and Pondicherry.
- 2 Dec 2025 7:40 AM IST
Fizzled Ditwah leaves Chennai fretting
- A large tree was uprooted on Greenways Road and crashed onto a moving car, though no injuries were reported.
- Among the worst-affected areas were Pattalam and Choolai.
- Traffic movement across the city was severely affected. Anna Salai and Old Mahabalipuram Road saw extensive waterlogging.
- Prithiv Raj Anbu
ALSO READ: Fizzled Ditwah leaves Chennai fretting - 2 Dec 2025 7:39 AM IST
Ditwah's deep depression hovers 50 km off Chennai, set to weaken
IMD bulletin: As of 11.30 pm on Dec 1, the remnant deep depression of Cyclone Ditwah remained practically stationary over the west-central and south-west Bay of Bengal and the north Tamil Nadu-south Andhra Pradesh coasts for six hours, lying around 50 km east of Chennai. It is expected to slowly recurve southwestwards and weaken into a depression within the next 12 hours.







