again for "cnn newsroom" live from atlanta, i'm natalie allen. here are our top stories. hawaii's governor says new safety protocols are now in place after a false alarm went out to the entire u.s. state, warning of an approaching ballistic missile. the alert showed up on phones, tv screens, and radios saturday morning sending people into a panic for 38 minutes. an employee at the hawaii emergency management agency hit a wrong computer button. it was a mistake. meantime, japan's capital is getting ready to practice a missile evacuation for the first time amid the north korean nuclear threat. the deal is set for january 22nd in central tokyo. it was planned before the false missile alert in hawaii. in california, authorities say at least 19 people are dead from tuesday's massive mudslides. at least five people are missing as rescuers search damaged buildings and homes.