It is a first of its kind ready reckoner map, prepared by Union Ministry of Earth Sciences to aid state government of Tamil Nadu in effective flood mitigation in Chennai which witnessed the worst deluge in 2015.

• The atlas is aimed at flood mitigation, preparedness, operations and management aspects.
• The over 200-page atlas was prepared by the India Meteorological Department (IMD), National Centre for Coastal Research (NCCR) and National Centre for Medium Range Weather Forecasting (NCMRWF) in association with TN State Disaster Management Authority (SDMA) and Greater Chennai Corporation.

Coastal Flood Warning System App (CFLOWS-Chennai)’-

• The CFLOWS-Chennai is a complete webGIS-based decision support system. It can be used both for mitigation planning operations before flooding as well as in real time to for aspects like relief work.
• CFLOWS is an integrated system that involves coupling models of regional weather forecasts, storm surges and captures about 796 flood scenarios.