Abstract:
In Tamil Nadu, Chennai and various other parts were impacted by the devastating floods during November and December in year in year 2015, claimed about 400 lives and caused economic damages enormously. The event mentioned above created a challenge to the scientific community in developing a comprehensive understanding for the events like this. Therefore, answers to the crucial questions linked with the circumstances prevailing during and after flooding phase which are essential to evolve this understanding. These include: (a) what were the air conditions that caused the high power precipitation, (b) how was the precipitation circulated spatially and transiently, (c) what amount of stream happened in the three waterways going through the city– the Kosasthalaiyar River, the Cooum River and the Adyar River - and the Buckingham channel, (d) how were the two repositories upstream of the city, viz., the Chembarambakkam repository and the Poondi supply, worked, (e) what amount overland stream was created in the city because of precipitation over the city alone, (f) how did the tempest water waste framework react, (g) which zones in the city were immersed and for to what extent, (h) how did the waters subside after the downpours stopped, (I) what were the wellbeing ramifications of the occasion, (j) did the land use change in the city throughout the years fuel the flooding, and, in particular, (k) what moves should be made so that for comparative precipitation designs rehashing in future, the city would not face such an overwhelming storm
