The city of Chennai has started to see some rains with Nungambakkam witnessing 29 mm rains, and also Minambakkam saw good rains. Today, soem moderate to heavy rains will be seen.
These showers are attributed to a Cyclonic Circulation persisting for the last two to three days. A trough is also extending from there. another ew trough is extending from Andaman and Nicobar islands to Coastal Andhra Pradesh. There is no direct system, but an off-shoot of the Circulation lying over west central Bay of bengal.
These showers will be seen tomorrow as well, however, showers will be slightly more today. Day after tomorrow, Chennai rains will persist but reduce to quite an extent.