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The Standard Emergency Warning Signal (SEWS) is a warning siren used in Australia to alert the public of danger. The siren is played over radio or television during a storm, cyclone (hurricane) or bushfire.

The SEWS was developed by the Bureau of Meteorology (Australia) in the 1970s for tropical cyclone warnings. It was adopted as a national emergency warning signal on 21 May 1995 ^[1].

[edit] References

[edit] External links

• Discussion at Australian Bureau of Meteorology
• Sample of siren sound

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