Does anyone know how to disable to turn off Amber Alerts?
Not sure you can, but why would you want to do that? Maybe you don't have kids now, but maybe you could be of help if there is a Amber alert. They don't issue them just for fun, it's because a kid is in danger, and they only issue them for the area affected.
If it's because you get woke up if your sleeping, there is silent mode, airplane mode, do not disturb mode where phone calls can be allowed but alerts silent.
But in the spirit of helping you out, package disabler pro might be able to disable them, don't know. I'm guessing that it's treated like 911, can't turn it off. I really hope you reconsider disabling it.