States » SouthPosted at: Oct 20 2026 6:02PM


Fresh LP area to form over Bay, TN coast in 24 hrs, heavy to very heavy rains to continue till Oct 26

Chennai, Oct 20 (UNI) A Fresh Low Pressure area is likely to form over the Bay and adjoining Tamil Nadu coast during the next 24 hrs and the state would continue to receive heavy to very heavy rains till October 26.
In an update, Met office on Tuesday eveing said due to likely formation of a low-pressure area over Southwest Bay of Bengal and adjoining Tamil Nadu coast during next 24 hours, heavy to very heavy rainfall is likely to continue over several districts of Tamil
Nadu, Puducherry and Karaikal till 26 October.
It said isolated heavy rainfall is likely over Lakshadweep during 22-26 October; Kerala and Mahe during 20-26 October; South Interior Karnataka during 21-24 October; Coastal Andhra Pradesh and Yanam and Rayalaseema on till tomorrow.
Meanwhile, system over the Southwest Arabian sea is likely to move west-northwestwards, maintaining its intensity for the next
12 hours, and subsequently move towards the Somalia coast by 22 October.

Met office said several parts of Tamil Nadu, which had been receiving heavy to very heavy rains, would continue to receive wetspells
in the coming days, as the Northeast monsoon was expected to gather more steam with the formation of a new system.
It said since the onset of Northeast monsoon, Tamil Nadu has received 12.1 per cent above average rainfall from October 1-20.
Meanwhile, Chennai city and its adjoining Northern districts are receiving good showers during the last 2-3 days. While the city, where the sun has been playing hide and seek amid balmy weather conditions, has received good rains late last night and early this morning, its suburbs and several parts of the state has been experiencing widespread rains. Several parts of this teeming megapolis, which wore a deserted look as people have left for their native places for weekend and Pooja holidays, and the suburbs, received rains in spells, which were at times heavy.
According to today's bulletin, the Regional Met office said the trough from the cyclonic circulation over Southwest Bay of Bengal off North Tamilnadu coasts now runs from the cyclonic circulation over southwest Bay of Bengal and adjoining Tamil Nadu coast to north coastal Andhra Pradesh, which was expected to bring more rains.
Heavy to very heavy rain at isolated places is likely to occur over Thoothukudi, Tirunelveli and Kanyakumari districts (Orange alert issued). Heavy rain is likely to occur over 18 districts including Nilgiris, Coimbatore, Erode, Tiruppur, Namakkal, Karur, Theni, Dindigul, Tenkasi, Madurai, Virudhunagar, Pudukkottai, Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai, Pudukkottai , Sivaganga and Ramanathapuram districts and Karaikal area, with moderate rains over the rest of Tamil Nadu, tomorrow.
On October 22, heavy to very heavy rain is likely to occur over Thoothukudi, Tirunelveli and Kanyakumari, Tenkasi, Virudhunagar
and Ramanathapuram districts. Heavy rain will occur over Nilgiris, Coimbatore, Theni, Dindigul, Madurai, Sivagangai, Pudukkottai, Thanjavur, Tiruvarur, Nagapattinam and Mayiladuthurai, Ariyalur, Cuddalore, Viluppuram and Puducherry & Karaikal area, while
heavy rain will occur over Nilgiris, Coimbatore, Erode, Salem, Namakkal, Karur, Tiruchirappalli, Theni, Tenkasi, Dindigul, Madurai, Virudhunagar Sivagangai, Pudukkottai, Thanjavur, Thiruvarur, Nagapattinam, Mayiladuthurai, Ramanathapuram, Thoothukudi, Tirunelveli, Kanyakumari, and Ariyalur, Cuddalore, Viluppuram and Puducherry, the next day.
While heavy rain is expected to last 20 districts on October 24, there would be similar heavy fall in 24 districts, the next day and at
about eight districts on October 26.
It said heavy rains would be accompanied by 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.
UNI GV 1800
Tags: #Fresh LP area to form over Bay# TN coast in 24 hrs# heavy to very heavy rains to continue till Oct 26
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