NL-Alert 

Have you seen an NL-Alert? Read the message immediately, take action and help others.

NL-Alert is a Public Warning System in the Netherlands that warns and informs you about disasters. An NL-Alert message tells you what is going on, what you should do and where you can find more information. 

You receive NL-Alert on your mobile phone. You can also see NL-Alert on a growing number of digital advertising displays and digital signs at train, bus, tram, and metro stops. 
When is NL-Alert used?
NL-Alert is used in harmful and life-threatening situations in the Netherlands, like a major fire, a terrorist attack, an epidemic, or heavy weather. Do you see an NL-Alert? Read the message immediately, take action and inform others. 
Two times per year, the Dutch government sends an NL-Alert test message. The test message is sent on the first Monday of June and December at around 12.00 noon. This way, you know how NL-Alert looks and sounds when you receive an NL-Alert on your mobile phone. The next NL-Alert test message will be sent by the Dutch government on Monday 4 December 2023. 
NL-Alert on your mobile phone
You receive NL-Alert on your mobile phone. This requires no action. When receiving an NL-Alert, your mobile phone will emit a penetrating alarm sound. 
NL-Alert is based on cell broadcast technology. This technology can operate even in the event of phone network congestion or overload. NL-Alert is free and anonymous: you do not need to sign up and your phone number remains unknown.

NL-Alert on digital signage and advertising displays 
You can see NL-Alert on a growing number of digital signs at train, bus, tram, and metro stops. You will also see NL-Alert on more and more digital advertising displays. An NL-Alert is simultaneously displayed on signage and received on private mobile phones.