States » SouthPosted at: Oct 22 2026 5:41PM


Yet another LP area to form tomorrow, active NE monsoon rains to gain in intensity till Oct 26

Chennai, Oct 22 (UNI) As the Low Pressure Area over Southwest Bay of Bengal adjoining Tamil Nadu has enhanced the intensity of Northeast monsoon rains across the state, yet another system will form over North Andaman sea tomorrow, promising even more heavy showers till October 26, with Chennai and its adjoining districts set to receive enhanced rainfall activity for 2-3 days from Saturday.
The upper air cyclonic circulation over Gulf of Thailand and adjoining Thailand and Myanmar has emerged into the North Andaman Sea. It is very likely to move west-northwestwards and under its influence a second Low Pressure area will form tomorrow, which would move northwestwards and intensify further. Met officials said it would concentrate into a Depression and there wasa possibility of the system intensifying into a Cyclone.
In its daily bulletin, the Met office on Thursday said Northeast Monsoon has been active over Tamil Nadu with rainfall occurring at most places over TN and Puducherry.
Except for showers in a couple of areas and rains last night and early morning, Chennai city remained rain-free today, with sun shining brightly since morning, despite occasional cloudy skies. However, the back-to-back systems--with the formation of a new system tomorrow over Southeast and adjoining Eastcentral Bay of Bengal tomorrow--many parts of Tamil Nadu, especially North coastal, South coastal, Interior, Cauvery delta and Western Ghat regions are expected to receive heavy to very heavy rains.
With the met office forecasting enhanced rainfall activity in the coming days, the Tamil Nadu government has geared up its entire machinery to tackle the situation. Chief Minister Vijay today visited the State Disaster Management Control Room (also known as the State Emergency Operations Centre-SEOC), monitoring rain and flood control room at Ezhilagam complex in Chepauk, in the city. Hebreviewed the preventive measures put in place across all districts, including the number of relief centres opened to house those evacuated from lowlying areas, basic amenities, and deployment of NDRF and SDRF teams for relief and rescue measures, the possible impact on agriculture and standing crops and other horticultural crops, besides areas in Chennai and its suburbs prone to flooding.
Vijay also directed the district collectors to ensure all safety measures are put in place to tackle the monsoon fury.
The Greater Chennai Corporation (GCC) has also geared up its entire machinery to tackle the ensuing enhanced rainfall activity. GCC Commissioner G.S.Sameeran said the civic body was fully prepared to handle extremely heavy rainfall, including situations in which intense rain continues for several hours.
Speaking to reporters on the city’s rain preparedness, Sameeran said the northeast monsoon had been favourable so far, but weather conditions could bring exceptionally heavy rainfall due to back to back systems. The State and National Disaster Response Force teams were kept ready to respond to emergencies. The GCC was continuously monitoring the rainfall activity and the met office predictions and taking precautionary measures to tackle waterlogging, clearing uprooted trees and other rain-related issues.
The Commissioner said continuous extremely heavy rain for around 14 hours would pose a major challenge, but the Corporation was ready to deal with such a situation. He appealed to residents to cooperate with authorities and avoid unnecessary travel during intense rainfall.
Met office said yesterday’s Low Pressure Area over Southwest Bay of Bengal and adjoining areas of Tamil Nadu now lay centred over Comorin area and adjoining areas of South Tamil Nadu and Keralam today, with rains expected to batter several southern districts, for which Orange alert and Yellow alert were issued. The associated cyclonic circulation extends upto 5.8 km above mean sea level persists,.
While heavy to very heavy rain is likely to occur over Kanyakumari, Tenkasi, Tirunelveli, Virudhunagar, Thoothukudi and Ramanathapuram districts, heavy rain will occur in 25 districts including Theni, Madurai, Sivaganga, Pudukkottai, Dindigul, Thoothukudi, Coimbatore, Tiruppur, Nilgiris, Erode, Namakkal, Karur, Tiruchirappalli, Thanjavur, Nagapattinam, Tiruvarur, Mayiladuthurai, Ariyalur, Perambalur, Kallakurichi, Cuddalore, Villuppuram, Tiruvannamalai, Chengalpattu, Kancheepuram, Chennai, Tiruvallur, Ranipet districts, Puducherry and Karaikal area today.
Heavy to very heavy rain will occur over Kanyakumari, Nilgiris and Coimbatore districts, while heavy rain was forecast over Erode, Salem, Namakkal, Karur, Tiruchirappalli, Tenkasi, Theni, Dindigul, Madurai, Virudhunagar, Pudukkottai, Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai, Sivaganga, Ramanathapuram, Thoothukudi, Tirunelveli, Ariyalur, Cuddalore, Villuppuram, Tiruppur, Perambalur, Chennai, Tiruvallur districts, Puducherry and Karaikal area, tomorrow.
On October 24, heavy to very heavy rain was predicted over Kanyakumari, Coimbatore, Nilgiris and Ghat areas of Tirunelveli districts, while heavy rain will occur over Tiruppur, Erode, Tiruchirappalli, Tiruvannamalai, Ariyalur, Perambalur, Pudukkottai, Madurai, Theni, Dindigul, Cuddalore, Villuppuram, Kallakurichi, Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai, Sivaganga, Chennai, Tiruvallur, Chengalpattu, Kancheepuram districts, Puducherry and Karaikal area.
The next day, heavy to very heavy rain will occur over Nilgiris, Coimbatore, Pudukkottai, Madurai, Dindigul, Sivaganga and Theni districts and heavy rain over Tiruppur, Erode, Salem, Namakkal, Karur, Tiruchirappalli, Tiruvannamalai, Ariyalur, Perambalur, Cuddalore, Villuppuram, Kallakurichi, Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai, Kancheepuram, Chengalpattu, Tiruvallur, Chennai districts, Puducherry and Karaikal area.
However, on October 26, almost the entire state, barring two of the total 38 districts, would witness enhanced rainfall activity. Heavy
to very heavy rains will occur over 7 districts including Nilgiris, Coimbatore, Theni, Madurai, Sivaganga, Ramanathapuram and Pudukkottai districts, while heavy rain will occur over 29 districts including Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai, Namakkal, Erode, Tiruppur, Karur, Dindigul, Virudhunagar, Tenkasi, Tirunelveli, Kanyakumari, Tiruchirappalli, Thoothukudi, Perambalur, Ariyalur, Kallakurichi, Cuddalore, Villuppuram, Dharmapuri, Salem, Vellore, Ranipet, Tiruvannamalai, Chennai, Tiruvallur, Tirupattur, Krishnagiri districts and also in Puducherry and Karaikal. The remaining two districts, Kanchipuram and Chengalpattu adjoining Chennai are expected to witness moderate rainfall activity.
Thereafter there would be some respite from the raingods, as the Met offie has forecast heavy to moderate rains in Kanyakumari and in Wester Ghat districts on October 27 and 28.
It also said thunderstorm and lightning with gusty winds with speed reaching 40-50 kmph will occur over Tamil Nadu, Puducherry and Karaikal area till October 28.
UNI GV 1730
Tags: #Yet another LP area to form tomorrow# active NE monsoon rains to gain in intensity till Oct 26
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