Sign Up For CodeRED Emergency and Weather Alerts Register to receive emergency and weather alerts from the National Weather Service through the City of Hollywood. The City's CodeRED emergency alert system notifies residents through phone calls, e-mails and text messages to mobile phones or text pagers of an emergency in the community such as a severe thunderstorm warning, flash flood warning, tornado warning, serious police situations and other critical events The CodeRED alert system delivers advanced warning of severe weather as soon as a bulletin is issued by the National Weather Service. CodeRED messages are one way to provide residents extra time to prepare.