Sentence examples similar to siren notification from inspiring English sources
Entergy Alarm Bells Less than two weeks after Entergy announced plans to update the Indian Point emergency-siren notification system, Westchester and Rockland officials have renewed calls for a complete replacement of the 156-siren system.
The system comprises specialized seismic sensors capable of detecting ground vibrations within a frequency range typical of lahars (30 80 Hz), a ground-based radio telemetry system for detection-signal transmission, and a combination of sirens, direct notification, and the Emergency Alert System (EAS) that utilizes NOAA weather radios for warning message dissemination (LaHusen[2005]; USGS[2013]).
If it moves ever so slightly, it can fire off a siren or send a notification to your phone.
Although a popular response, campus-wide notification systems, ranging from low-tech sirens to text-message alerts on cellphones, are not necessarily a reliable way to protect students.
A fire-engine siren wailed.
