HomeLatest ArticlesKerala Unveils KaWaCHaM Advanced Weather Alert System to Combat Climate Disasters

Kerala Unveils KaWaCHaM Advanced Weather Alert System to Combat Climate Disasters

Kerala Chief Minister Pinarayi Vijayan has launched KaWaCHaM, a state-of-the-art weather alert system aimed at strengthening disaster preparedness and response in the face of increasing climate emergencies. The system, introduced on January 21, 2025, is considered one of the fastest weather alert mechanisms globally, designed to enhance rescue and rehabilitation efforts during extreme weather events.

The system, officially named Kerala Warnings Crisis and Hazards Management System, carries symbolic significance, as the word “KaWaCHaM” translates to “shield” in Malayalam, signifying protection. Developed by the Kerala State Disaster Management Authority (KSDMA), the project is part of the National Cyclone Risk Mitigation Project, funded by the National Disaster Management Authority and the World Bank.

KaWaCHaM’s launch comes in response to the state’s repeated climate disasters, such as the catastrophic 2018 floods and the devastating Wayanad landslide of 2024, which claimed 420 lives. Officials say the system unifies all of Kerala’s early warning mechanisms into a single framework, making it easier to issue alerts and coordinate responses.

The system features 126 sirens and strobe lights installed on tall towers, government buildings, and schools across the state. Each siren is equipped with three colored strobe lights—red, yellow, and orange—and eight loudspeakers capable of broadcasting warnings up to 1,200 meters. Cameras have been installed to monitor the proper functioning of these sirens, ensuring they operate effectively in emergencies.

KaWaCHaM gathers data from multiple sources, including the India Meteorological Department, the Indian National Centre for Ocean Information Services, and the Central Water Commission, as well as private and public agencies. It issues warnings about various hazards, such as heavy rainfall, strong winds, extreme heat, and sea surges.

KSDMA member secretary Shekar Kuriakose explained that the system uses advanced hazard assessment tools and real-time alert issuance to prepare communities for potential disasters. The warnings are supported by a robust shelter network, with 20,000 documented facilities capable of accommodating 400,000 people, alongside 17 specialized shelters.

To ensure inclusivity, KaWaCHaM incorporates accessibility features like sign language and audio alerts for individuals with disabilities. The state is also engaging with social media platforms such as WhatsApp, Facebook, and Twitter to disseminate alerts, taking cues from systems used in countries like the United States.

The State Emergency Operations Centre in Thiruvananthapuram will coordinate the system’s operations, with Thiruvananthapuram and Ernakulam districts hosting the highest number of sirens. Meanwhile, districts like Wayanad, Idukki, and Kottayam, known for their vulnerability to landslides and floods, will also benefit from KaWaCHaM’s comprehensive coverage.

As climate challenges continue to test Kerala’s resilience, KaWaCHaM represents a significant leap forward in disaster management, promising to safeguard lives and enhance preparedness across the state.

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