An emergency notification system, especially when coupled with other methods of dissemination of information, can be very effective as shown in a number of case studies covering the last few years. In May 2010, a water pipe broke in Boston leading to unsanitary mains water affecting approximately two million people and it was felt necessary to use the Emergency Notification System to issue an alert to all residents asking them
The concept of an emergency broadcasting system has been around for hundreds of years. In years gone by, the local church bell would be tolled to warn of invasion and other emergencies and beacon fires would be lit to spread the message further. Latterly, sirens are used, notably during war to warn of air raids, and famously, the “Four Minute Warning” to warn of an impending nuclear attack, and all are familiar
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