Public Safety Alert Colors. A person an object or a process representing a serious and imminent threat to public safety. Emergency stops and alarms.

49 FR 5322 Feb. Blue Juice toilet water is on the floor. Blue Alerts provide the public with information about a person who has injured and poses an imminent threat to law enforcement or the general public.
Under the heavy rainfall warning system a yellow rainfall advisory is raised when the expected rainfall amount is between 75 mm and 15 mm within one hour and likely to continue.
Complete your safety or HSE alert form on any device - mobile tablet or computer. Broadcast cable and satellite operators are the stewards of this important public. Much like Amber Alerts for missing children and Silver Alerts. Safety Alert 63 - Oil Spill Fuel Transfer Hose Broke.