Mon Aug 18 01:30:00 UTC 2025: Okay, here’s a summary of the text and a news article version:
**Summary:**
The Chennai Meteorological Department has announced that there is a possibility of light to moderate rain with thunderstorms in 13 districts of Tamil Nadu, including Chennai, for the next 2 hours (until 10 AM). The cause is attributed to changes in the speed of westerly winds. Chennai and its suburbs have already been experiencing light rain since early morning, affecting areas like Avadi, Anna Nagar, and Koyambedu. Previously, the department had predicted moderate rain with possible wind speeds of up to 50 kmph for some areas of Tamil Nadu, Puducherry, and Karaikal for the day.
**News Article:**
**Chennai and 12 Other Districts Brace for Rainfall: Meteorological Department Issues Alert**
**Chennai, India –** The Chennai Meteorological Department has issued an alert, forecasting light to moderate rainfall with thunderstorms for Chennai and 12 other districts of Tamil Nadu within the next two hours (ending at 10:00 AM today).
The affected districts include: Nilgiris, Coimbatore, Tiruvallur, Chennai, Chengalpattu, Kanchipuram, Krishnagiri, Dharmapuri, Tiruvannamalai, Vellore, Ranipet, Tirupattur, and Tenkasi.
The weather update attributes the expected rainfall to changes in the speed of westerly winds.
Chennai residents have already experienced light rain since early morning, with areas such as Avadi, Ambattur, Anna Nagar, Koyambedu, and other localities reporting rainfall.
Earlier forecasts from the department predicted moderate rainfall for some parts of Tamil Nadu, Puducherry, and Karaikal on Monday, August 18th, along with the possibility of strong surface winds reaching speeds of up to 50 kmph in isolated locations.
Residents in the affected districts are advised to take necessary precautions and stay updated on the latest weather reports.
First Piper 