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Hotlines
  • 995

    Fire Engine/ Ambulance

  • 1777

    Non-Emergency Ambulance

  • Fire Hazard Reporting

    1800 280 0000

  • General Enquiries

    1800 286 5555

  • 995

    Fire Engine/ Ambulance

  • 1777

    Non-Emergency Ambulance

Public Warning System

The Public Warning System (PWS) is a network of sirens that the SCDF has placed at strategic points throughout the island. The purpose of this system is to warn the public of imminent threats that could endanger lives and property.

The Public Warning System (PWS) Various Signals & Meanings

The Public Warning System will be used to warn of attacks from the air, land or sea, as well as natural and other man-made disasters. The table below shows what the various signals mean. It would be a good idea to memorise them.

SignalsHow It Sounds*SituationWhat It Means
"Alarm" Signal

Public Warning system

Click for audio

(wav, 307.09KB)

This is sounded when an air raid or shelling is imminent.Move to a shelter immediately.
"All Clear" Signal

Continuous Blast

Click for audio

(wav, 331.59KB)

This is sounded when the threat is over.You can leave the shelter.
"Important Message" Signal

Pulsating Blast

Click for audio

(wav, 307.08KB)

This is sounded to alert the population to an important broadcast on the radio.Tune in immediately to any local FM radio station or TV channel.
 

NOTE: To hear the audio recording of the various Public Warning Signals, click "How it Sounds" in table above. To find out more about the system, you may call the SCDF General Enquiries / Customer Service Centre at 1800-286-5555.

 

Contact us for more public education materials on the Public Warning System.