A select group of people in Easingwold, near York will receive a text message on Wednesday giving them an advanced warning of a disaster.
The project is part of a Government pilot scheme to see how effective the system is.
More top news
A cat died after it was attacked by a dog in York.
Sunderland have confirmed that Jack Ross is the club's new manager.
A man has been taken to hospital after he was shot by an armed police officer in County Durham.