What is KaWaCHaM?

January 21, 2025

The Kerala Warnings, Crisis and Hazard Management System (KaWaCHaM) is set to be launched by Chief Minister Pinarayi Vijayan. This initiative aims to enhance disaster preparedness and response in Kerala, utilising advanced technology for timely alerts regarding extreme weather events. The system integrates various communication methods to ensure effective dissemination of warnings to the public.

System Overview

KaWaCHaM is developed by the Kerala State Disaster Management Authority (KSDMA) with support from the National Disaster Management Authority and the World Bank. It includes 126 sirens with strobe lights and 93 emergency operation centres linked via VPN.

Alert Mechanism

The sirens are designed to broadcast alerts for heavy rain, strong winds, and sea surges. Each siren features three lights (red, yellow, orange) and eight loudspeakers, capable of reaching a distance of 1.2 km.

Installation and Testing

Sirens are installed on government buildings and schools in disaster-prone areas, positioned 13 to 15 metres high. Testing will occur on the launch day at various locations, with public reassurance to remain calm during trials.

Coordination Structure

The State Emergency Operations Centre will oversee KaWaCHaM’s implementation. It will coordinate activities at the taluk level, ensuring a unified response to disasters.

Data Integration

KaWaCHaM incorporates data from multiple sources, including weather networks and social media. This comprehensive approach enhances the accuracy and speed of alerts.

Community Engagement

The project includes collaboration with social media platforms for community alerts. Local volunteers and NGOs will receive training in disaster preparedness and response.

Shelter Network

A network of 20,000 buildings has been documented as emergency shelters, capable of accommodating 400,000 people. This includes 17 specialised shelters across the state.

Future Developments

The project will operate in pilot mode for one year, with ongoing development of flood forecasting and landslide early warning systems. An impact forecast is also being prepared for various disaster scenarios.

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