Overview
- RMC and IMD expect a multi-day wet spell from November 16, with heavy rain over 11 delta and coastal districts on November 17, shifting to the extreme south on November 18 and spreading more widely on November 19.
- Yellow alerts have been issued for multiple districts including Chennai, with the city forecast to see heavier rain on Monday following light showers over the weekend.
- The IMD cautions of squally seas and coastal wind gusts up to about 55 km/h, and fishermen have been advised to stay ashore, particularly over the Gulf of Mannar and Kanyakumari waters.
- Meteorologists attribute the uptick to an upper-air cyclonic circulation over the southwest and adjoining southeast Bay that is moving west, and the state government reported a low-pressure area near the southeast Sri Lanka coast on Saturday morning.
- Observed rain has already picked up in places, including Tiruchendur at 8 cm, Mandapam at 7 cm, and Pamban at 5 cm, with advisories warning of waterlogging and traffic disruptions in urban areas.