How to build a flood early warning system?
Effective early warning system should be people-centered which defines communication system that reaches the people at risk.
People-centered early warnings need to be
- clearly understood by people;
- easily and readily accessible to people;
- timely; and
- tied to response actions to be taken by the people in advance of, during, and after the event.
It is important to analyze and recognize the vulnerabilities of different groups based on culture, gender and other relevant characteristics to develop effective Early Warning System. The information and early warning system should meet the needs of every group of the vulnerable community.
An effective early warning system comprises of four interrelated elements . Strong linkage between the elements with effective communication channel results in successful early warning system.
Systematic collection and analysis of data is necessary for the risk assessment.The impact of the hazard depends upon the social, geographic, economic and political processes.
The damage and losses caused by the events in the past would be helpful to assess the impact of hazard and vulnerability of the community to the hazard. Information on the coping capacity and resources will be useful for the communities to prepare, respond and bounce back after disaster. Mapping(social and resource map, accessibility maps and hazards and vulnerable maps, seasonal calendar, transect walk, direct observation, semi-structured interviews and ranking VCA tools can be used.
People-Centred Early Warning Systems (PCEWSs) is thought to be low-cost but effective, however, existing studies fail to discuss the basic characteris
Early warning systems are widely considered as one of the more important aspects to reduce the impacts and consequences that hazardous natural events