Following the devastating floods in Chennai in December, Google has announced that it is adding flood alerts to Google Public Alerts in India. The search giant is collaborating with India's Central Water Commission (CWC), which actively monitors river levels from 175 flood forecasting stations located all over the country.
Flood alerts will be available on Google Now, desktop and mobile web searches, Google Maps, and from the Public Alerts website. Clicking on an alert will give you detailed information regarding the hazard, as well as instructions on how to stay safe.
Source: Google India