Chennai Rain Alert: Heavy Rain Likely Until October 25 as Low-Pressure System Moves North

The Chennai Regional Meteorological Centre has issued an Orange Alert for heavy to very heavy rainfall in Thoothukudi, Tirunelveli and Kanniyakumari districts on October 21.

Orange Alert for Three Tamil Nadu Districts

Thoothukudi, Tirunelveli and Kanniyakumari are likely to receive heavy to very heavy rainfall accompanied by thunderstorms and strong winds.

The weather department has also forecast heavy rainfall in several other parts of Tamil Nadu.

Heavy Rain Forecast for Several Districts

The following districts may experience heavy rainfall on October 21:

Western districts: Nilgiris, Coimbatore, Erode, Tiruppur and Namakkal.

Southern districts: Karur, Theni, Dindigul, Tenkasi, Madurai and Virudhunagar.

Delta and coastal districts: Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai, Pudukkottai, Sivaganga and Ramanathapuram.

Residents in the affected districts are advised to follow official weather updates and local safety instructions.

Chennai Rain Forecast Until October 25

Chennai is expected to receive moderate rainfall over the next three days. However, the possibility of very heavy rainfall around October 25 has also been highlighted in the report.

Rainfall intensity will depend on the movement and development of weather systems over the Bay of Bengal.

Low-Pressure Area May Form on October 23

Weather official V. R. Durai reportedly stated that a low-pressure area expected to form on October 23 could intensify into a cyclone. However, its development and movement will need to be confirmed through subsequent weather bulletins.

The Northeast Monsoon may continue until January, while rainfall activity is expected to be stronger in November than in October. Additional low-pressure systems may also form during November.

Northeast Monsoon May Intensify Until October 26

Rainfall activity is expected to remain active across Tamil Nadu until October 26, according to the report. Residents are advised to monitor updates from the India Meteorological Department (IMD), particularly regarding district-level warnings and changes in rainfall forecasts.