Chennai rains have been seen for the longest time and good rainfall activity have been seen. Nungambakkam saw good rains even in the last 24 hours. In fact, rainfall in Chennai so far in the month of November has already exceeded 400 mm and are close to reaching 450 mm against the monthly average of 376.6 mm.
For the next two to three days, Chennai rains are expected to continue as part of normal Northeast Monsoon phenomenon. Rains will be seen along Tamil Nadu coast because of the trough running along the coastline. Also, a Cyclonic Circulation is down south Sri Lanka.
Rains will be more tomorrow as compared to today, Day after tomorrow, we can expect even more rains.