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Transmission of Warnings to Local Levels (Session II)

Transmission of Warnings to Local Levels (Session II). Sharing Knowledge on Disaster Warning: Community-based Last-Mile Warning System Bangladesh University of Engineering Technology Dhaka, Bangladesh 25 October 2007. Nuwan Waidyanatha. 12 Balcombe Place, Colombo 08, Sri Lanka.

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Transmission of Warnings to Local Levels (Session II)

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  1. Transmission of Warnings to Local Levels(Session II) Sharing Knowledge on Disaster Warning: Community-based Last-Mile Warning System Bangladesh University of Engineering Technology Dhaka, Bangladesh 25 October 2007 Nuwan Waidyanatha 12 Balcombe Place, Colombo 08, Sri Lanka Tel: +94 773710394, +86 13888446352 Email: waidyanatha@lirne.net

  2. Hazard Detection and Notification Chain of Systems • D&M and EW Systems can work as a closed system but purpose of saving lives is defeated if not connected to the LM-HWS • LM-HWS gets it’s input from the Early Warning Systems, a necessary condition • Without the input from EWS, the LM-HWS cannot provide feedback to the EWS for it to measure its performance and correct the shortcomings; in return D&M System will not get proper feedback for system enhancements • Communities have a self-feedback to ensure ERPs are reliable and effective; Communities can work as standalone closed systems but would require ERPs that can be executed in Zero time; i.e. be able to function without Institutional EWs and depend on tacit knowledge and natural observations • Communities provide feedback to Message Relays to notify receipt of notification; as a result performance of the Message Relay and ICT Networks are measured through the Community feedback

  3. Mapping of Systems in Chain to LM-HW Subsystems

  4. LM-HWS Components and their functions • Staff at the HIH monitor hazard events around-the-clock • When an “Event of Interest” is detected, HIH follows a protocol that may result in the issuance of a message to ICT Guardians over multiple modes • ICT-Gs receive messages and acknowledge receipt • If urgent or high-priority alerts, ICT-Gs notify local ERP-Coordinators in the community using locally agreed on methods • In real cases, ICT-Gs and ERP-Cs will await official warnings • In live tests, ERP-Cs activated local ERP and were timed

  5. Alert and Notification Stages Stage 1: HIH Monitors Stage 2: ICT Guardians Stage 3: ERP Coordinators

  6. Alert input applications and their respective Terminal devices ANNY CALL DEWNS IPAS

  7. Multiple Paths, Multiple Technologies and Multiple Gateways

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