A siren alert has been issued. All citizens and residents are advised to remain calm and proceed to the nearest secure location. #PublicSafety #EmergencyResponse

Actionable alert and warning messages should contain 5 elements: the source, hazard (plus description), location, actionable guidance, and time. This is the content that, when included in a complete message, increases the likelihood that people will be motivated to act. When dangerous conditions are emerging and action is necessary, providing a complete and clear message is extremely important.In the example message to the right, we see an alert that is presented in ALL CAPS, making it extreme