States » SouthPosted at: Oct 21 2026 5:18PM


Fresh LP area forms over Bay, one more system in offing on Oct 23, heavy rains to continue in TN till Oct 26

Chennai, Oct 21 (UNI) With heavy vigorous Northeast monsoon rains battering the North and South coastal districts, including Chennai and its suburbs, a fresh Low Pressure area has formed over the Bay on Wednesday, while yet another system is likely to form on October 23 which has the potential to intensify into Cyclone, even as heavy to very heavy showers will continue till October 26 which would also cover Cauvery delta districts.
With several districts expected to receive very heavy and heavy rains, the Tamil Nadu government has geared up its machinery and has put in place all precautionary measures, including opening of relief camps, with all basic amenities and medical facilities, besides setting up of community kitchens to prepare food for those housed in relief centres.
Talking to reporters here this afternoon, Regional Metereological Centre Director V.R.Durai, announcing the formation of LP area today and another one on Friday, has predicted continued wet spell, saying heavy to very heavy rains in several districts and heavy rains in many other districts are likely to occur till October 26. "We have issued Orange alert in districts where heavy to very heavy rains will occur. If there was increase in intensity in the rainfall, it will be scaled up to Red Alert".
He also said rains in Chennai and its adjoining Northen and coastal districts would continue for the next 2-3 days, with heavy spells at times.
While predicting enhanced rainfall activity this Northeast Monsoon due to El Nino effect, he also said there was a possibilility of the second Low Pressure area to be formed on October 23, intensifying into a Cyclone. Once the system is formed, its movement would be monitored continuously. It would intensify further and there are chances of it becoming a Cyclone.
Meanwhile, In its daily bulletin, the Met office said under the influence of yesterday’s upper air cyclonic circulation over Southwest Bay of Bengal off Tamil Nadu coast a Low Pressure area has formed over the same region at 0530 today and persists over the same region at 0830 hrs. The associated cyclonic circulation extends upto 5.8 km above mean sea level.
Yesterday’s trough from the cyclonic circulation over southwest Bay of Bengal and adjoining Tamil Nadu coast to north coastal Andhra Pradesh at 3.1 km above mean sea level has become less marked.
The forecast for the next seven days is heavy to very heavy rain is likely to occur at isolated places over Thoothukudi, Tirunelveli and Kanyakumari districts. Heavy rain is likely to occur at isolated places over Nilgiris, Coimbatore, Erode, Tiruppur, Namakkal, Karur, Theni, Dindigul, Tenkasi, Madurai, Virudhunagar, Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai, Pudukkottai, Sivagangai and Ramanathapuram districts & Karaikal area today.
It said heavy to very heavy rain is likely to occur at isolated places over Thoothukudi, Tirunelveli, Kanyakumari, Tenkasi, Virudhunagar, Ramanathapuram, Theni, Dindigul, Madurai, Coimbatore, Nilgiris, Sivaganga, Pudukkottai, Thanjavur, Tiruvarur, Nagapattinam and Mayiladuthurai districts & Karaikal area (Orange alert), while heavy rain is likely to occur at isolated places over Tiruchirappalli, Erode, Ariyalur, Perambalur, Cuddalore, Namakkal, Villuppuram, Tiruppur and Karur districts & Puducherry (yellow alert), tomorrow.
On Friday, heavy to very heavy rain is likely to occur at isolated places over Kanyakumari, Nilgiris and Coimbatore districts, while heavy rain is likely to occur at isolated places over Erode, Salem, Namakkal, Karur, Tiruchirappalli, Theni, Tenkasi, Dindigul, Madurai, Virudhunagar, Pudukkottai, Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai, Sivaganga, Ramanathapuram, Thoothukudi, Tirunelveli, Ariyalur, Cuddalore, Villuppuram, Tiruppur and Perambalur districts, Puducherry & Karaikal area.
The next day heavy to very heavy rain is likely to occur at isolated places over Kanyakumari, Coimbatore, Nilgiris districts and Ghat areas of Tirunelveli districts and heavy rain is likely to occur at isolated places over Tiruppur, Erode, Tiruchirappalli, Tiruvannamalai, Ariyalur, Perambalur, Pudukkottai, Madurai, Theni, Dindigul, Cuddalore, Villuppuram, Kallakurichi, Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai and Sivaganga districts, Puducherry & Karaikal area.
On October 25, heavy to very heavy rain is likely to occur at isolated places over Nilgiris, Coimbatore and Theni districts. Heavy rain is likely to occur at isolated places over Tiruppur, Erode, Salem, Namakkal, Karur, Tiruchirappalli, Tiruvannamalai, Ariyalur, Perambalur, Pudukkottai, Madurai, Dindigul, Cuddalore, Villuppuram, Kallakurichi, Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai, Sivaganga, Kancheepuram, Chengalpattu, Tiruvallur, Ranipet, Vellore, Tirupattur, Krishnagiri, Dharmapuri and Chennai districts, Puducherry and Karaikal area.
On October 26, heavy rain is likely to occur at isolated places over Pudukkottai, Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai, Nilgiris, Coimbatore, Erode, Namakkal, Tiruppur, Karur, Dindigul, Theni, Madurai, Sivaganga, Virudhunagar, Tenkasi, Tirunelveli, Kanyakumari, Tiruchirappalli, Perambalur, Ariyalur, Kallakurichi, Cuddalore and Villuppuram districts, Puducherry and Karaikal,
while moderate rain is likely to occur at isolated places over Nilgiris, Coimbatore, Tiruppur, Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai, Pudukottai, Dindigul, Theni, Virudhunagar, Madurai, Sivagangai, Ramanathapuram, Thoothukudi, Tenkasi, Tirunelveli, Kanyakumari districts on October 27.
The report said thunderstorm and lightning with gusty winds with speed reaching 40-50 kmph is likely to occur over Tamil Nadu, Puducherry and Karaikal area till October 26.
(ED : HERE PICK UP SUITABLY FROM MS 10).
UNI GV 1715
Tags: #Fresh LP area forms over Bay# one more system in offing on Oct 23# heavy rains to continue in TN till Oct 26
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