Sat Jul 19 01:30:00 UTC 2025: Okay, here’s a news article summarizing the provided weather information:

**Tamil Nadu Braces for More Rain: 16 Districts Under Alert**

**Chennai:** The Chennai Meteorological Department has issued a weather alert, forecasting light to moderate rainfall with thunderstorms and lightning in several parts of Tamil Nadu today. The forecast is attributed to a lower atmospheric circulation over southern Andhra Pradesh and adjoining areas, along with an upper atmospheric circulation over southern India and changes in westerly wind speeds.

In an updated bulletin, the department stated that 16 districts are likely to experience rainfall within the next three hours. The districts under alert include:

* Nilgiri
* Theni
* Dindigul
* Virudhunagar
* Karur
* Madurai
* Tenkasi
* Tirunelveli
* Thoothukudi
* Kanyakumari
* Tiruppur
* Coimbatore
* Tiruvallur
* Chennai
* Kanchipuram
* Chengalpattu

Residents in these areas are advised to take necessary precautions and stay updated on the latest weather forecasts. The department continues to monitor the situation and will provide further updates as needed. The department also predicted that there is likely to be rain in Puducherry and Karaikal.

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