Emergency alerts are becoming increasingly common, but the ominous phrase "code red" is often shrouded in mystery. In recent years, schools, businesses, and even entire cities have issued code red alerts in response to perceived threats, from active shooters to severe weather events. But what exactly does it mean when authorities sound the code red alarm, and what steps should the public take when they receive such an alert? As the use of code red warnings becomes more widespread, understanding their purpose and protocols is more crucial than ever.