Yesterday Chennai city saw good rains as conditions turned favorable for same. Increase in rainfall activity likely over Chennai and surrounding areas owning to an circulation which is likely to form over Central bay of Bengal and will mostly likely move towards south AP. Chennai city and other districts of North Tamilnadu likely to witness good intermittent rains from Oct 17 to 22 as wind convergence will result in formation of thunderstorms over North interior TN and will move towards coast during evening/night time.
According to world’s top weather models , there are no signs of onset of northeast monsoon over Tamil Nadu and south AP until 26th of October. More on this later.