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Updated Oct 9, 2025 · 09:28
Tamil Nadu News Updated Oct 9, 2025

Heavy rain forecast in western, northern TN; fishermen advised to stay ashore

The India Meteorological Department has issued a comprehensive rainfall warning for multiple districts in Tamil Nadu. Two low-pressure systems are driving significant moisture and wind convergence across the southern peninsula. Fishermen have been strongly advised to avoid maritime zones due to potential wind speeds reaching 55 kmph. Local administrations are urged to remain alert and implement necessary safety protocols in vulnerable coastal areas.

Chennai, Oct 9

The India Meteorological Department (IMD) has forecast heavy rainfall in several parts of Tamil Nadu on Thursday, owing to the formation of two low-pressure systems -- one over the southern peninsular region and another over the Kanyakumari Sea.

According to the latest IMD bulletin, districts including Coimbatore (hilly regions), Nilgiris, Erode, Dharmapuri, Krishnagiri, Tirupattur, Vellore, Ranipet, Kancheepuram, and Tiruvallur are likely to experience heavy rain, particularly in their ghat and high-altitude zones.

Thunderstorms accompanied by lightning are expected in some places. In Chennai and its suburbs, the weather will remain partly cloudy throughout the day. Light to moderate rainfall, occasionally accompanied by thunder and lightning, is likely in some parts of the city. The maximum temperature is expected to hover around 34-35 degrees Celsius, while the minimum may remain between 26-27 degrees Celsius.

Meteorologists said the twin low-pressure areas are enhancing moisture flow and wind convergence across the southern peninsula, intensifying rainfall activity across interior and coastal districts.

Meanwhile, the IMD has issued a warning to fishermen, advising them not to venture into the sea due to strong winds prevailing over several maritime zones. Gusty winds reaching speeds of 35-45 kmph and occasionally up to 55 kmph are likely to prevail over the southern Tamil Nadu coast, the Gulf of Mannar, adjoining Kanyakumari Sea, parts of the east-central and adjoining west-central Arabian Sea, as well as along the Karnataka-Kerala coast and around the Lakshadweep Islands.

Fishermen already out at sea have been advised to return to safer harbours at the earliest.

The department has urged local administrations in vulnerable coastal areas to remain on alert and ensure safety protocols are followed, especially in regions prone to landslides or flash floods.

The IMD added that rainfall intensity is likely to ease gradually from Thursday, but isolated heavy spells could continue in the Nilgiris and Western Ghats region for the next 24 hours.

— IANS

Reader Comments

Rohit P

Living in Coimbatore and we can already see dark clouds gathering. Hope the hilly regions don't face landslides like last year. Administration should be prepared this time.

Sarah B

While the warnings are helpful, I wish IMD would provide more localized forecasts. "Parts of Chennai" is too vague - which areas exactly will get rain? 🤔

Karthik V

This rain is much needed for our reservoirs! After last year's water crisis in Chennai, every drop counts. Hope it fills up our lakes properly. 💧

Ananya R

Concerned about the Western Ghats region. The Nilgiris have been experiencing extreme weather patterns lately. Climate change is really showing its effects in our beautiful hills.

Michael C

The meteorological science behind tracking these twin low-pressure systems is impressive. Good to see India's weather forecasting capabilities improving over the years.

We welcome thoughtful discussions from our readers. Please keep comments respectful and on-topic.

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