States » SouthPosted at: Oct 24 2026 3:14PM


LP area to intensify as Deep Depression and as Cyclonic Storm on Oct 26, heavy rains to batter TN for 3 days

Chennai, Oct 24 (UNI) The Low Pressure area over the Bay, the second in succession, became Well Marked on Saturday morning and
it was expected to further intensify in to a Depression later today and concentrate into a Cyclonic Storm on the morning of October 26, promising heavy to very heavy rain in some districts and heavy rains in other regions till Monday.
The Met office has issued a Red Alert for the day for the hilly Nilgiris district, which has been witnessing landslips due to heavy rains and the district administration have appealed to the tourists to avoid visit Udhagamandalam, the Queen of Hill Stations, till October 26. Similar advisory was also issued by the Dindugul district administration appealing to the people to avoid visiting the hilly tourist spot
of Kodaikanal due to landslips. An Orange alert was also issued for Western Ghat region, Cauvery delta and North coastal districts.
With the met office forecasting extremely heavy rains, the Tamil Nadu government has deputed NDRF teams to the Nilgiris district to take up rescue and relief operations. The State government too has geared up its entire machinery and all the district collectors were directed to be in a state of readiness, with all precautionary measures to handle the monsoon fury, as very to very heavy rains and heavy rains were expected in several districts.
With back to back systems persisting and the Northeast monsoon becoming more active and vigorous, several parts of Tamil Nadu, especially the southern districts and Northern districts like Cuddalore were experiencing heavy rains. The showers were quite heavy
in Western Ghat regions and southern coastal districts and current rainfall pattern was expected to continue for two more days, while Yellow Alert was issued for 24 districts, including Chennai and its adjoining northern and interior districts.
In an update, Met office said the Well Marked Low Pressure Area over Eastcentral and adjoining Southeast Bay of Bengal persisted over the same region at 0830 hours of today. It is most likely to persist over the same region and intensify into a Depression today. Thereafter, it is very likely to move west-northwestwards and intensify further into a Deep Depression tomorrow and into a Cyclonic Storm over the Westcentral Bay of Bengal by October 26 morning. The Cyclonic would be named 'Arnab', as suggested by Bangladesh.
Moving west-northwestwards, the Cyclonic Storm would continue to intensify further and reach over Westcentral Bay of Bengal near Andhra Pradesh coast around morning of October 28, it said.
Meanwhile, in its daily report, Met office said Northeast Monsoon has been active over Tamil Nadu with rainfall occurring at most places over Tamil Nadu.
It said yesterday’s Low Pressure Area over Southeast Arabian Sea and adjoining Lakshadweep area persisted over the same region. The associated cyclonic circulation now extends upto 7.6 km above mean sea level.
Yesterday’s trough from the cyclonic circulation associated with Low Pressure area over Southeast Arabian sea and adjoining Lakshadweep to North Coastal Tamil Nadu across Kerala and extends upto 1.5 km above mean sea level persists.
The forecast and warning for the next seven days is heavy to very heavy rain will occur over Theni, Dindigul and Madurai districts tomorrow and a Red Alert was issued, while heavy to very heavy rain will occur over Cuddalore, Mayiladuthurai, Nagapattinam, Tiruvarur, Thanjavur, Pudukkottai, Ariyalur, Perambalur, Tiruchirapalli, Karur, Nilgiris, Coimbatore, Tiruppur and Sivaganga districts and Karaikal area following which an Orange alert was issued.
Heavy rain will occur over Tiruvallur, Chennai, Chengalpattu, Kancheepuram, Villupuram, Kallakurichi, Vellore, Ranipet, Tirupattur, Tiruvannamalai, Namakkal, Salem, Dharmapuri, Krishnagiri, Erode, Virudhunagar and Kanyakumari districts and Puducherry--Yellow alert issued.
On October 26, heavy to very heavy rain will occur over Pudukkottai, Sivaganga and Ramanathapuram districts and an Orange alert
was issued, while heavy rain was forecast in Nilgiris, Coimbatore, Theni, Dindigul, Madurai, Virudhunagar, Tenkasi, Thoothukudi, Tirunelveli and Kanyakumari districts where an Yellow alert was issued. Moderate rain will occur over the rest of Tamil Nadu, Puducherry and Karaikal area.
The rainfall was expected to abate, as only one district, Ramanthapuram, will receive heavy rain on October 27 (yellow alert issued), while moderate rain will occur over rest of South Tamil Nadu. Light rain is likely to occur at isolated places over rest Tamil Nadu, Puducherry and Karaikal area. On October 28, light to moderate rain is likely to occur at isolated places over South Tamil Nadu
districts and light rain likely over Tamil Nadu, Puducherry and Karaikal area for the next two days.
UNI GV 1510
Tags: #LP area to intensify as Deep Depression and as Cyclonic Storm on Oct 26# heavy rains to batter TN for 3 days
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