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.

Radio Broadcast Message

Click here to listen to the Radio Broadcast Message aired during the Island-wide Public Warning System (PWS) Sounding for Total Defence Day today, 15th Feb 2012 at 12:05PM.

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.

Signals

"Alarm" Signal

"All Clear" Signal

"Important Message" Signal

How It Sounds*

/content/scdf_internet/en/others/public-warning-system/jcr:content/par/imagelink/file

/content/scdf_internet/en/others/public-warning-system/jcr:content/par/imagelink_0/file

/content/scdf_internet/en/others/public-warning-system/jcr:content/par/imagelink_1/file

Situation

This is sounded when an air raid or shelling is imminent.

This is sounded when the threat is over.

This is sounded to alert the population to an important broadcast on the radio.

What It Means

Move to a shelter immediately.

You can leave the shelter.

Tune in immediately to any local FM radio station.

*Click on image to hear the signal

Find out more information on Civil Defence Shelter and their locations

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.

FAQs on Public Warning System

Find out what are the commonly asked questions on Public Warning System.

Last updated on 15th Feb 2012

Privacy Statement | Terms of Use | Rate Our Website