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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
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

slide2

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
slide4

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
slide5

Alert and Notification Stages

Stage 1: HIH Monitors

Stage 2: ICT Guardians

Stage 3: ERP Coordinators