In southern states including Tamil Nadu, northeast monsoon rains have fallen widely. Between Oct. 1 and yesterday, an average of 19 cm of rain should fall. However, only 12 cm has rained, 40 percent less.
Now the humidity in the air has increased. Hence, the rain is widespread. The current climate over the Indian Ocean and Pacific Ocean favors the continuation of the Northeast Monsoon. No warning to fishermen.
As of yesterday morning, Chidambaram received the highest rainfall of 8 cm in 24 hours. Over the Southwest and adjoining Central West Bengal Sea, an atmospheric mantle circulation prevails.
Due to this, moderate rainfall will occur in many districts. The Chennai Meteorological Department has informed that some coastal districts, including Chennai, will experience sudden rains from time to time.
Heavy rain will occur in more than 10 districts till 6th. Orange alert has been issued for some districts as more than 12 cm of heavy rain will fall. This is what he said.