本文件提供了基于社区的灾害预警实施指南 系统（EWS）。它描述了要实施的方法和程序，并提供了示例。 本文件适用于易受灾害影响的社区，无需采取次要/间接措施 考虑到影响。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document gives guidelines for the implementation of a community-based disaster early warning system (EWS). It describes the methods and procedures to be implemented and provides examples. This document is applicable to communities vulnerable to disasters, without taking secondary/indirect effects into consideration.All current amendments available at time of purchase are included with the purchase of this document.