Only local emergency alerts like AMBER alerts or severe weather warnings can be disabled in advance.

只有当地的紧急警报，如安珀警报或恶劣天气警报，才能提前关闭。

The nation's emergency alert system came under scrutiny today, after Hawaii's false warning about a missile launch.

因夏威夷误报导弹袭击，今天对全国紧急警报系统进行了检查。

Mobile emergency alerts are sent out to the public sometimes six or seven a day telling you about cases in your area.

公众有时每天能收到六七次移动紧急警报，告知他们所在地区的病例。

A fierce Arctic winter storm has triggered emergency alerts across large parts of the United States and forced the cancellation of more than 2,000 flights.

一场猛烈的北极冬季风暴在美国大部分地区引发紧急警报，迫使两千多个航班取消。

This is the third time FEMA has conducted a wireless nationwide test of all cell phone emergency alerts but a second test to all cellular devices.

这是联邦应急管理局第三次在全国范围内对所有手机紧急警报进行无线测试，但第二次是对所有蜂窝设备进行测试。

Guys, we have a code red. -You mean Code Red the hospital emergency alert, the computer worm, or the cherry-flavored soft drink from the makers of Mountain Dew?

伙计们，我们有紧急情况了。－紧急情况是指医院紧急警报？电脑病毒？还是马丁? 戴维做的樱桃味饮料？

Dallas had their emergency alert system hacked, allowing hackers to activate their 156 siren tornado alerts system, for an hour and a half.

达拉斯的紧急警报系统遭到黑客攻击，允许黑客激活他们的 156 警笛龙卷风警报系统， 持续一个半小时。